✓ Mark Two Sum completed Two Sum Solve ↗ ✓ Mark 3Sum completed 3Sum Solve ↗ ✓ Mark Add Two Numbers completed Add Two Numbers Solve ↗ ✓ Mark Best Time to Buy and Sell Stock completed Best Time to Buy and Sell Stock Solve ↗ ✓ Mark Create Hello World Function completed Create Hello World Function Solve ↗ ✓ Mark Longest Common Prefix completed Longest Common Prefix Solve ↗ ✓ Mark Longest Palindromic Substring completed Longest Palindromic Substring Solve ↗ ✓ Mark Longest Substring Without Repeating Characters completed Longest Substring Without Repeating Characters Solve ↗ ✓ Mark Median of Two Sorted Arrays completed Median of Two Sorted Arrays Solve ↗ ✓ Mark Merge Sorted Array completed Merge Sorted Array Solve ↗ ✓ Mark Merge Strings Alternately completed Merge Strings Alternately Solve ↗ ✓ Mark Palindrome Number completed Palindrome Number Solve ↗ ✓ Mark Recyclable and Low Fat Products completed Recyclable and Low Fat Products Solve ↗ ✓ Mark Trapping Rain Water completed Trapping Rain Water Solve ↗ ✓ Mark 4Sum completed 4Sum Solve ↗ ✓ Mark Add Two Integers completed Add Two Integers Solve ↗ ✓ Mark Climbing Stairs completed Climbing Stairs Solve ↗ ✓ Mark Container With Most Water completed Container With Most Water Solve ↗ ✓ Mark Decode String completed Decode String Solve ↗ ✓ Mark Find Peak Element completed Find Peak Element Solve ↗ ✓ Mark Find the Index of the First Occurrence in a String completed Find the Index of the First Occurrence in a String Solve ↗ ✓ Mark Generate Parentheses completed Generate Parentheses Solve ↗ ✓ Mark Jump Game completed Jump Game Solve ↗ ✓ Mark Koko Eating Bananas completed Koko Eating Bananas Solve ↗ ✓ Mark Largest Rectangle in Histogram completed Largest Rectangle in Histogram Solve ↗ ✓ Mark Letter Combinations of a Phone Number completed Letter Combinations of a Phone Number Solve ↗ ✓ Mark Logger Rate Limiter completed Logger Rate Limiter Solve ↗ ✓ Mark Longest Consecutive Sequence completed Longest Consecutive Sequence Solve ↗ ✓ Mark LRU Cache completed LRU Cache Solve ↗ ✓ Mark Majority Element completed Majority Element Solve ↗ ✓ Mark Maximum Subarray completed Maximum Subarray Solve ↗ ✓ Mark Meeting Rooms II completed Meeting Rooms II Solve ↗ ✓ Mark Merge Intervals completed Merge Intervals Solve ↗ ✓ Mark Merge Two Sorted Lists completed Merge Two Sorted Lists Solve ↗ ✓ Mark Minimum Number of Increments on Subarrays to Form a Target Array completed Minimum Number of Increments on Subarrays to Form a Target Array Solve ↗ ✓ Mark Move Zeroes completed Move Zeroes Solve ↗ ✓ Mark N-Queens completed N-Queens Solve ↗ ✓ Mark Next Permutation completed Next Permutation Solve ↗ ✓ Mark Number of Islands completed Number of Islands Solve ↗ ✓ Mark Pascal's Triangle completed Pascal's Triangle Solve ↗ ✓ Mark Remove Duplicates from Sorted Array completed Remove Duplicates from Sorted Array Solve ↗ ✓ Mark Remove Element completed Remove Element Solve ↗ ✓ Mark Reverse Integer completed Reverse Integer Solve ↗ ✓ Mark Reverse Linked List completed Reverse Linked List Solve ↗ ✓ Mark Roman to Integer completed Roman to Integer Solve ↗ ✓ Mark Rotate Image completed Rotate Image Solve ↗ ✓ Mark Search in Rotated Sorted Array completed Search in Rotated Sorted Array Solve ↗ ✓ Mark Single Number completed Single Number Solve ↗ ✓ Mark Spiral Matrix completed Spiral Matrix Solve ↗ ✓ Mark Split Array Largest Sum completed Split Array Largest Sum Solve ↗ ✓ Mark Subarray Sum Equals K completed Subarray Sum Equals K Solve ↗ ✓ Mark Valid Parentheses completed Valid Parentheses Solve ↗ ✓ Mark Viewers Turned Streamers completed Viewers Turned Streamers Solve ↗ ✓ Mark 3Sum Closest completed 3Sum Closest Solve ↗ ✓ Mark Add Binary completed Add Binary Solve ↗ ✓ Mark Basic Calculator completed Basic Calculator Solve ↗ ✓ Mark Best Time to Buy and Sell Stock II completed Best Time to Buy and Sell Stock II Solve ↗ ✓ Mark Big Countries completed Big Countries Solve ↗ ✓ Mark Binary Search completed Binary Search Solve ↗ ✓ Mark Binary Tree Maximum Path Sum completed Binary Tree Maximum Path Sum Solve ↗ ✓ Mark Candy completed Candy Solve ↗ ✓ Mark Capacity To Ship Packages Within D Days completed Capacity To Ship Packages Within D Days Solve ↗ ✓ Mark Coin Change completed Coin Change Solve ↗ ✓ Mark Combination Sum completed Combination Sum Solve ↗ ✓ Mark Combine Two Tables completed Combine Two Tables Solve ↗ ✓ Mark Contains Duplicate completed Contains Duplicate Solve ↗ ✓ Mark Contains Duplicate II completed Contains Duplicate II Solve ↗ ✓ Mark Course Schedule completed Course Schedule Solve ↗ ✓ Mark Create a DataFrame from List completed Create a DataFrame from List Solve ↗ ✓ Mark Daily Temperatures completed Daily Temperatures Solve ↗ ✓ Mark Delete Nodes And Return Forest completed Delete Nodes And Return Forest Solve ↗ ✓ Mark Detect Squares completed Detect Squares Solve ↗ ✓ Mark Diameter of Binary Tree completed Diameter of Binary Tree Solve ↗ ✓ Mark Edit Distance completed Edit Distance Solve ↗ ✓ Mark Fibonacci Number completed Fibonacci Number Solve ↗ ✓ Mark Find Customer Referee completed Find Customer Referee Solve ↗ ✓ Mark Find First and Last Position of Element in Sorted Array completed Find First and Last Position of Element in Sorted Array Solve ↗ ✓ Mark Find Median from Data Stream completed Find Median from Data Stream Solve ↗ ✓ Mark Finding MK Average completed Finding MK Average Solve ↗ ✓ Mark First Missing Positive completed First Missing Positive Solve ↗ ✓ Mark Fruit Into Baskets completed Fruit Into Baskets Solve ↗ ✓ Mark Greatest Common Divisor of Strings completed Greatest Common Divisor of Strings Solve ↗ ✓ Mark Group Anagrams completed Group Anagrams Solve ↗ ✓ Mark Guess the Word completed Guess the Word Solve ↗ ✓ Mark Happy Number completed Happy Number Solve ↗ ✓ Mark House Robber completed House Robber Solve ↗ ✓ Mark Insert Delete GetRandom O(1) completed Insert Delete GetRandom O(1) Solve ↗ ✓ Mark Insert Interval completed Insert Interval Solve ↗ ✓ Mark Intersection of Two Arrays completed Intersection of Two Arrays Solve ↗ ✓ Mark Invert Binary Tree completed Invert Binary Tree Solve ↗ ✓ Mark Isomorphic Strings completed Isomorphic Strings Solve ↗ ✓ Mark Jump Game II completed Jump Game II Solve ↗ ✓ Mark Kth Largest Element in an Array completed Kth Largest Element in an Array Solve ↗ ✓ Mark Largest Divisible Subset completed Largest Divisible Subset Solve ↗ ✓ Mark Linked List Cycle completed Linked List Cycle Solve ↗ ✓ Mark Longest Increasing Subsequence completed Longest Increasing Subsequence Solve ↗ ✓ Mark Longest Repeating Character Replacement completed Longest Repeating Character Replacement Solve ↗ ✓ Mark Max Consecutive Ones completed Max Consecutive Ones Solve ↗ ✓ Mark Max Consecutive Ones III completed Max Consecutive Ones III Solve ↗ ✓ Mark Maximal Rectangle completed Maximal Rectangle Solve ↗ ✓ Mark Maximal Square completed Maximal Square Solve ↗ ✓ Mark Maximum Product Subarray completed Maximum Product Subarray Solve ↗ ✓ Mark Meeting Rooms III completed Meeting Rooms III Solve ↗ ✓ Mark Merge k Sorted Lists completed Merge k Sorted Lists Solve ↗ ✓ Mark Middle of the Linked List completed Middle of the Linked List Solve ↗ ✓ Mark Min Stack completed Min Stack Solve ↗ ✓ Mark Minimum Area Rectangle completed Minimum Area Rectangle Solve ↗ ✓ Mark Number of Visible People in a Queue completed Number of Visible People in a Queue Solve ↗ ✓ Mark Odd Even Jump completed Odd Even Jump Solve ↗ ✓ Mark Pacific Atlantic Water Flow completed Pacific Atlantic Water Flow Solve ↗ ✓ Mark Palindrome Linked List completed Palindrome Linked List Solve ↗ ✓ Mark Palindrome Partitioning completed Palindrome Partitioning Solve ↗ ✓ Mark Partition Equal Subset Sum completed Partition Equal Subset Sum Solve ↗ ✓ Mark Peak Index in a Mountain Array completed Peak Index in a Mountain Array Solve ↗ ✓ Mark Permutations completed Permutations Solve ↗ ✓ Mark Plus One completed Plus One Solve ↗ ✓ Mark Pow(x, n) completed Pow(x, n) Solve ↗ ✓ Mark Power of Two completed Power of Two Solve ↗ ✓ Mark Product of Array Except Self completed Product of Array Except Self Solve ↗ ✓ Mark Random Pick with Weight completed Random Pick with Weight Solve ↗ ✓ Mark Range Module completed Range Module Solve ↗ ✓ Mark Regular Expression Matching completed Regular Expression Matching Solve ↗ ✓ Mark Remove K Digits completed Remove K Digits Solve ↗ ✓ Mark Remove Nth Node From End of List completed Remove Nth Node From End of List Solve ↗ ✓ Mark Reverse Nodes in k-Group completed Reverse Nodes in k-Group Solve ↗ ✓ Mark Reverse Pairs completed Reverse Pairs Solve ↗ ✓ Mark Reverse Vowels of a String completed Reverse Vowels of a String Solve ↗ ✓ Mark Reverse Words in a String completed Reverse Words in a String Solve ↗ ✓ Mark Rotate Array completed Rotate Array Solve ↗ ✓ Mark Rotate List completed Rotate List Solve ↗ ✓ Mark Rotting Oranges completed Rotting Oranges Solve ↗ ✓ Mark Running Sum of 1d Array completed Running Sum of 1d Array Solve ↗ ✓ Mark Russian Doll Envelopes completed Russian Doll Envelopes Solve ↗ ✓ Mark Same Tree completed Same Tree Solve ↗ ✓ Mark Search Insert Position completed Search Insert Position Solve ↗ ✓ Mark Set Matrix Zeroes completed Set Matrix Zeroes Solve ↗ ✓ Mark Single Element in a Sorted Array completed Single Element in a Sorted Array Solve ↗ ✓ Mark Sliding Window Maximum completed Sliding Window Maximum Solve ↗ ✓ Mark Sort Colors completed Sort Colors Solve ↗ ✓ Mark Sqrt(x) completed Sqrt(x) Solve ↗ ✓ Mark String to Integer (atoi) completed String to Integer (atoi) Solve ↗ ✓ Mark Subsets completed Subsets Solve ↗ ✓ Mark Sudoku Solver completed Sudoku Solver Solve ↗ ✓ Mark Sum of Subarray Minimums completed Sum of Subarray Minimums Solve ↗ ✓ Mark Target Sum completed Target Sum Solve ↗ ✓ Mark Text Justification completed Text Justification Solve ↗ ✓ Mark The Earliest Moment When Everyone Become Friends completed The Earliest Moment When Everyone Become Friends Solve ↗ ✓ Mark Top K Frequent Elements completed Top K Frequent Elements Solve ↗ ✓ Mark Unique Number of Occurrences completed Unique Number of Occurrences Solve ↗ ✓ Mark Unique Paths completed Unique Paths Solve ↗ ✓ Mark Valid Anagram completed Valid Anagram Solve ↗ ✓ Mark Valid Palindrome completed Valid Palindrome Solve ↗ ✓ Mark Valid Sudoku completed Valid Sudoku Solve ↗ ✓ Mark Wildcard Matching completed Wildcard Matching Solve ↗ ✓ Mark Word Break completed Word Break Solve ↗ ✓ Mark Word Search completed Word Search Solve ↗ ✓ Mark Zero Array Transformation I completed Zero Array Transformation I Solve ↗ ✓ Mark Zigzag Conversion completed Zigzag Conversion Solve ↗ ✓ Mark 01 Matrix completed 01 Matrix Solve ↗ ✓ Mark 24 Game completed 24 Game Solve ↗ ✓ Mark Accounts Merge completed Accounts Merge Solve ↗ ✓ Mark Add Digits completed Add Digits Solve ↗ ✓ Mark Add Strings completed Add Strings Solve ↗ ✓ Mark Alien Dictionary completed Alien Dictionary Solve ↗ ✓ Mark Android Unlock Patterns completed Android Unlock Patterns Solve ↗ ✓ Mark Apply Substitutions completed Apply Substitutions Solve ↗ ✓ Mark Article Views I completed Article Views I Solve ↗ ✓ Mark Assign Cookies completed Assign Cookies Solve ↗ ✓ Mark Asteroid Collision completed Asteroid Collision Solve ↗ ✓ Mark Average Selling Price completed Average Selling Price Solve ↗ ✓ Mark Average Time of Process per Machine completed Average Time of Process per Machine Solve ↗ ✓ Mark Backspace String Compare completed Backspace String Compare Solve ↗ ✓ Mark Bag of Tokens completed Bag of Tokens Solve ↗ ✓ Mark Best Time to Buy and Sell Stock with Cooldown completed Best Time to Buy and Sell Stock with Cooldown Solve ↗ ✓ Mark Binary Subarrays With Sum completed Binary Subarrays With Sum Solve ↗ ✓ Mark Binary Tree Inorder Traversal completed Binary Tree Inorder Traversal Solve ↗ ✓ Mark Binary Tree Level Order Traversal completed Binary Tree Level Order Traversal Solve ↗ ✓ Mark Binary Tree Paths completed Binary Tree Paths Solve ↗ ✓ Mark Binary Tree Right Side View completed Binary Tree Right Side View Solve ↗ ✓ Mark Binary Tree Vertical Order Traversal completed Binary Tree Vertical Order Traversal Solve ↗ ✓ Mark Binary Tree Zigzag Level Order Traversal completed Binary Tree Zigzag Level Order Traversal Solve ↗ ✓ Mark Burst Balloons completed Burst Balloons Solve ↗ ✓ Mark Can Place Flowers completed Can Place Flowers Solve ↗ ✓ Mark Car Fleet completed Car Fleet Solve ↗ ✓ Mark Cheapest Flights Within K Stops completed Cheapest Flights Within K Stops Solve ↗ ✓ Mark Check if Array Is Sorted and Rotated completed Check if Array Is Sorted and Rotated Solve ↗ ✓ Mark Check If N and Its Double Exist completed Check If N and Its Double Exist Solve ↗ ✓ Mark Check if Word Can Be Placed In Crossword completed Check if Word Can Be Placed In Crossword Solve ↗ ✓ Mark Clone Graph completed Clone Graph Solve ↗ ✓ Mark Coin Change II completed Coin Change II Solve ↗ ✓ Mark Combination Sum II completed Combination Sum II Solve ↗ ✓ Mark Combination Sum IV completed Combination Sum IV Solve ↗ ✓ Mark Concatenation of Array completed Concatenation of Array Solve ↗ ✓ Mark Consecutive Numbers completed Consecutive Numbers Solve ↗ ✓ Mark Construct Binary Tree from Preorder and Inorder Traversal completed Construct Binary Tree from Preorder and Inorder Traversal Solve ↗ ✓ Mark Contiguous Array completed Contiguous Array Solve ↗ ✓ Mark Continuous Subarrays completed Continuous Subarrays Solve ↗ ✓ Mark Convert Sorted Array to Binary Search Tree completed Convert Sorted Array to Binary Search Tree Solve ↗ ✓ Mark Copy List with Random Pointer completed Copy List with Random Pointer Solve ↗ ✓ Mark Count and Say completed Count and Say Solve ↗ ✓ Mark Count Days Without Meetings completed Count Days Without Meetings Solve ↗ ✓ Mark Count Good Numbers completed Count Good Numbers Solve ↗ ✓ Mark Count Numbers with Unique Digits completed Count Numbers with Unique Digits Solve ↗ ✓ Mark Count of Smaller Numbers After Self completed Count of Smaller Numbers After Self Solve ↗ ✓ Mark Count Primes completed Count Primes Solve ↗ ✓ Mark Count Square Submatrices with All Ones completed Count Square Submatrices with All Ones Solve ↗ ✓ Mark Counter completed Counter Solve ↗ ✓ Mark Course Schedule II completed Course Schedule II Solve ↗ ✓ Mark Customer Who Visited but Did Not Make Any Transactions completed Customer Who Visited but Did Not Make Any Transactions Solve ↗ ✓ Mark Delete Node in a Linked List completed Delete Node in a Linked List Solve ↗ ✓ Mark Delete Nodes From Linked List Present in Array completed Delete Nodes From Linked List Present in Array Solve ↗ ✓ Mark Design a Number Container System completed Design a Number Container System Solve ↗ ✓ Mark Design a Stack With Increment Operation completed Design a Stack With Increment Operation Solve ↗ ✓ Mark Design Hit Counter completed Design Hit Counter Solve ↗ ✓ Mark Detonate the Maximum Bombs completed Detonate the Maximum Bombs Solve ↗ ✓ Mark Diagonal Traverse completed Diagonal Traverse Solve ↗ ✓ Mark Divide Two Integers completed Divide Two Integers Solve ↗ ✓ Mark Domino and Tromino Tiling completed Domino and Tromino Tiling Solve ↗ ✓ Mark Employee Bonus completed Employee Bonus Solve ↗ ✓ Mark Employees Earning More Than Their Managers completed Employees Earning More Than Their Managers Solve ↗ ✓ Mark Encode and Decode Strings completed Encode and Decode Strings Solve ↗ ✓ Mark Evaluate Division completed Evaluate Division Solve ↗ ✓ Mark Evaluate Reverse Polish Notation completed Evaluate Reverse Polish Notation Solve ↗ ✓ Mark Expression Add Operators completed Expression Add Operators Solve ↗ ✓ Mark Filling Bookcase Shelves completed Filling Bookcase Shelves Solve ↗ ✓ Mark Find All Duplicates in an Array completed Find All Duplicates in an Array Solve ↗ ✓ Mark Find All Numbers Disappeared in an Array completed Find All Numbers Disappeared in an Array Solve ↗ ✓ Mark Find All Possible Recipes from Given Supplies completed Find All Possible Recipes from Given Supplies Solve ↗ ✓ Mark Find And Replace in String completed Find And Replace in String Solve ↗ ✓ Mark Find Duplicate Subtrees completed Find Duplicate Subtrees Solve ↗ ✓ Mark Find Eventual Safe States completed Find Eventual Safe States Solve ↗ ✓ Mark Find K Closest Elements completed Find K Closest Elements Solve ↗ ✓ Mark Find K Pairs with Smallest Sums completed Find K Pairs with Smallest Sums Solve ↗ ✓ Mark Find Longest Special Substring That Occurs Thrice I completed Find Longest Special Substring That Occurs Thrice I Solve ↗ ✓ Mark Find Minimum in Rotated Sorted Array completed Find Minimum in Rotated Sorted Array Solve ↗ ✓ Mark Find Missing and Repeated Values completed Find Missing and Repeated Values Solve ↗ ✓ Mark Find the Difference completed Find the Difference Solve ↗ ✓ Mark Find the Difference of Two Arrays completed Find the Difference of Two Arrays Solve ↗ ✓ Mark Find the Duplicate Number completed Find the Duplicate Number Solve ↗ ✓ Mark Find the Safest Path in a Grid completed Find the Safest Path in a Grid Solve ↗ ✓ Mark Find X-Sum of All K-Long Subarrays I completed Find X-Sum of All K-Long Subarrays I Solve ↗ ✓ Mark First Bad Version completed First Bad Version Solve ↗ ✓ Mark First Unique Character in a String completed First Unique Character in a String Solve ↗ ✓ Mark Fizz Buzz completed Fizz Buzz Solve ↗ ✓ Mark Flatten Binary Tree to Linked List completed Flatten Binary Tree to Linked List Solve ↗ ✓ Mark Flatten Nested List Iterator completed Flatten Nested List Iterator Solve ↗ ✓ Mark Flipping an Image completed Flipping an Image Solve ↗ ✓ Mark Flood Fill completed Flood Fill Solve ↗ ✓ Mark Fraction to Recurring Decimal completed Fraction to Recurring Decimal Solve ↗ ✓ Mark Frequency of the Most Frequent Element completed Frequency of the Most Frequent Element Solve ↗ ✓ Mark Gas Station completed Gas Station Solve ↗ ✓ Mark Graph Valid Tree completed Graph Valid Tree Solve ↗ ✓ Mark Group Shifted Strings completed Group Shifted Strings Solve ↗ ✓ Mark H-Index completed H-Index Solve ↗ ✓ Mark Height of Binary Tree After Subtree Removal Queries completed Height of Binary Tree After Subtree Removal Queries Solve ↗ ✓ Mark House Robber II completed House Robber II Solve ↗ ✓ Mark Implement Queue using Stacks completed Implement Queue using Stacks Solve ↗ ✓ Mark Implement Stack using Queues completed Implement Stack using Queues Solve ↗ ✓ Mark Implement Trie (Prefix Tree) completed Implement Trie (Prefix Tree) Solve ↗ ✓ Mark Increasing Triplet Subsequence completed Increasing Triplet Subsequence Solve ↗ ✓ Mark Integer to English Words completed Integer to English Words Solve ↗ ✓ Mark Integer to Roman completed Integer to Roman Solve ↗ ✓ Mark Intersection of Two Arrays II completed Intersection of Two Arrays II Solve ↗ ✓ Mark Intersection of Two Linked Lists completed Intersection of Two Linked Lists Solve ↗ ✓ Mark Is Subsequence completed Is Subsequence Solve ↗ ✓ Mark Island Perimeter completed Island Perimeter Solve ↗ ✓ Mark K Closest Points to Origin completed K Closest Points to Origin Solve ↗ ✓ Mark Keys and Rooms completed Keys and Rooms Solve ↗ ✓ Mark Kids With the Greatest Number of Candies completed Kids With the Greatest Number of Candies Solve ↗ ✓ Mark Kth Missing Positive Number completed Kth Missing Positive Number Solve ↗ ✓ Mark Kth Smallest Element in a BST completed Kth Smallest Element in a BST Solve ↗ ✓ Mark Largest Number completed Largest Number Solve ↗ ✓ Mark Largest Triangle Area completed Largest Triangle Area Solve ↗ ✓ Mark Length of Last Word completed Length of Last Word Solve ↗ ✓ Mark Lexicographically Smallest Beautiful String completed Lexicographically Smallest Beautiful String Solve ↗ ✓ Mark LFU Cache completed LFU Cache Solve ↗ ✓ Mark Linked List Cycle II completed Linked List Cycle II Solve ↗ ✓ Mark Linked List Random Node completed Linked List Random Node Solve ↗ ✓ Mark Longest Absolute File Path completed Longest Absolute File Path Solve ↗ ✓ Mark Longest Arithmetic Subsequence of Given Difference completed Longest Arithmetic Subsequence of Given Difference Solve ↗ ✓ Mark Longest Common Subsequence completed Longest Common Subsequence Solve ↗ ✓ Mark Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit completed Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Solve ↗ ✓ Mark Longest Increasing Path in a Matrix completed Longest Increasing Path in a Matrix Solve ↗ ✓ Mark Longest Increasing Subsequence II completed Longest Increasing Subsequence II Solve ↗ ✓ Mark Longest Palindrome completed Longest Palindrome Solve ↗ ✓ Mark Longest Valid Parentheses completed Longest Valid Parentheses Solve ↗ ✓ Mark Lowest Common Ancestor of a Binary Tree completed Lowest Common Ancestor of a Binary Tree Solve ↗ ✓ Mark Majority Element II completed Majority Element II Solve ↗ ✓ Mark Making A Large Island completed Making A Large Island Solve ↗ ✓ Mark Managers with at Least 5 Direct Reports completed Managers with at Least 5 Direct Reports Solve ↗ ✓ Mark Max Area of Island completed Max Area of Island Solve ↗ ✓ Mark Max Points on a Line completed Max Points on a Line Solve ↗ ✓ Mark Maximum Average Subarray I completed Maximum Average Subarray I Solve ↗ ✓ Mark Maximum Beauty of an Array After Applying Operation completed Maximum Beauty of an Array After Applying Operation Solve ↗ ✓ Mark Maximum Candies Allocated to K Children completed Maximum Candies Allocated to K Children Solve ↗ ✓ Mark Maximum Depth of Binary Tree completed Maximum Depth of Binary Tree Solve ↗ ✓ Mark Maximum Length of Semi-Decreasing Subarrays completed Maximum Length of Semi-Decreasing Subarrays Solve ↗ ✓ Mark Maximum Number of Points with Cost completed Maximum Number of Points with Cost Solve ↗ ✓ Mark Maximum Points You Can Obtain from Cards completed Maximum Points You Can Obtain from Cards Solve ↗ ✓ Mark Maximum Score After Splitting a String completed Maximum Score After Splitting a String Solve ↗ ✓ Mark Maximum Score From Removing Substrings completed Maximum Score From Removing Substrings Solve ↗ ✓ Mark Maximum Sum of 3 Non-Overlapping Subarrays completed Maximum Sum of 3 Non-Overlapping Subarrays Solve ↗ ✓ Mark Maximum Swap completed Maximum Swap Solve ↗ ✓ Mark Maximum Width Ramp completed Maximum Width Ramp Solve ↗ ✓ Mark Maximum XOR of Two Numbers in an Array completed Maximum XOR of Two Numbers in an Array Solve ↗ ✓ Mark Min Cost Climbing Stairs completed Min Cost Climbing Stairs Solve ↗ ✓ Mark Minimum Area Rectangle II completed Minimum Area Rectangle II Solve ↗ ✓ Mark Minimum Cost to Make at Least One Valid Path in a Grid completed Minimum Cost to Make at Least One Valid Path in a Grid Solve ↗ ✓ Mark Minimum Difference Between Largest and Smallest Value in Three Moves completed Minimum Difference Between Largest and Smallest Value in Three Moves Solve ↗ ✓ Mark Minimum Domino Rotations For Equal Row completed Minimum Domino Rotations For Equal Row Solve ↗ ✓ Mark Minimum Falling Path Sum completed Minimum Falling Path Sum Solve ↗ ✓ Mark Minimum Height Trees completed Minimum Height Trees Solve ↗ ✓ Mark Minimum Interval to Include Each Query completed Minimum Interval to Include Each Query Solve ↗ ✓ Mark Minimum Number of Days to Make m Bouquets completed Minimum Number of Days to Make m Bouquets Solve ↗ ✓ Mark Minimum Number of Operations to Move All Balls to Each Box completed Minimum Number of Operations to Move All Balls to Each Box Solve ↗ ✓ Mark Minimum Obstacle Removal to Reach Corner completed Minimum Obstacle Removal to Reach Corner Solve ↗ ✓ Mark Minimum Path Sum completed Minimum Path Sum Solve ↗ ✓ Mark Minimum Size Subarray Sum completed Minimum Size Subarray Sum Solve ↗ ✓ Mark Minimum Time Difference completed Minimum Time Difference Solve ↗ ✓ Mark Minimum Time to Finish the Race completed Minimum Time to Finish the Race Solve ↗ ✓ Mark Minimum Weighted Subgraph With the Required Paths completed Minimum Weighted Subgraph With the Required Paths Solve ↗ ✓ Mark Minimum Window Substring completed Minimum Window Substring Solve ↗ ✓ Mark Missing Number completed Missing Number Solve ↗ ✓ Mark Missing Ranges completed Missing Ranges Solve ↗ ✓ Mark Monthly Transactions I completed Monthly Transactions I Solve ↗ ✓ Mark Move Pieces to Obtain a String completed Move Pieces to Obtain a String Solve ↗ ✓ Mark Moving Average from Data Stream completed Moving Average from Data Stream Solve ↗ ✓ Mark Multiply Strings completed Multiply Strings Solve ↗ ✓ Mark My Calendar I completed My Calendar I Solve ↗ ✓ Mark Network Delay Time completed Network Delay Time Solve ↗ ✓ Mark New 21 Game completed New 21 Game Solve ↗ ✓ Mark Next Greater Element I completed Next Greater Element I Solve ↗ ✓ Mark Next Greater Element II completed Next Greater Element II Solve ↗ ✓ Mark Non-overlapping Intervals completed Non-overlapping Intervals Solve ↗ ✓ Mark Nth Digit completed Nth Digit Solve ↗ ✓ Mark Number of Closed Islands completed Number of Closed Islands Solve ↗ ✓ Mark Number of Good Pairs completed Number of Good Pairs Solve ↗ ✓ Mark Number of Islands II completed Number of Islands II Solve ↗ ✓ Mark Number of Matching Subsequences completed Number of Matching Subsequences Solve ↗ ✓ Mark Number of Provinces completed Number of Provinces Solve ↗ ✓ Mark Number of Ways to Build Sturdy Brick Wall completed Number of Ways to Build Sturdy Brick Wall Solve ↗ ✓ Mark Odd Even Linked List completed Odd Even Linked List Solve ↗ ✓ Mark Online Stock Span completed Online Stock Span Solve ↗ ✓ Mark Palindromic Substrings completed Palindromic Substrings Solve ↗ ✓ Mark Partition Array Into Two Arrays to Minimize Sum Difference completed Partition Array Into Two Arrays to Minimize Sum Difference Solve ↗ ✓ Mark Partition List completed Partition List Solve ↗ ✓ Mark Path With Minimum Effort completed Path With Minimum Effort Solve ↗ ✓ Mark Perfect Squares completed Perfect Squares Solve ↗ ✓ Mark Permutation in String completed Permutation in String Solve ↗ ✓ Mark Permutation Sequence completed Permutation Sequence Solve ↗ ✓ Mark Power of Three completed Power of Three Solve ↗ ✓ Mark Predict the Winner completed Predict the Winner Solve ↗ ✓ Mark Product of the Last K Numbers completed Product of the Last K Numbers Solve ↗ ✓ Mark Queue Reconstruction by Height completed Queue Reconstruction by Height Solve ↗ ✓ Mark Race Car completed Race Car Solve ↗ ✓ Mark Rank Transform of an Array completed Rank Transform of an Array Solve ↗ ✓ Mark Ransom Note completed Ransom Note Solve ↗ ✓ Mark Rearrange Array Elements by Sign completed Rearrange Array Elements by Sign Solve ↗ ✓ Mark Reconstruct Itinerary completed Reconstruct Itinerary Solve ↗ ✓ Mark Redundant Connection completed Redundant Connection Solve ↗ ✓ Mark Regions Cut By Slashes completed Regions Cut By Slashes Solve ↗ ✓ Mark Relative Ranks completed Relative Ranks Solve ↗ ✓ Mark Remove Duplicate Letters completed Remove Duplicate Letters Solve ↗ ✓ Mark Remove Duplicates from Sorted Array II completed Remove Duplicates from Sorted Array II Solve ↗ ✓ Mark Remove Duplicates from Sorted List completed Remove Duplicates from Sorted List Solve ↗ ✓ Mark Remove Linked List Elements completed Remove Linked List Elements Solve ↗ ✓ Mark Remove Outermost Parentheses completed Remove Outermost Parentheses Solve ↗ ✓ Mark Remove Sub-Folders from the Filesystem completed Remove Sub-Folders from the Filesystem Solve ↗ ✓ Mark Reorder List completed Reorder List Solve ↗ ✓ Mark Reorganize String completed Reorganize String Solve ↗ ✓ Mark Repeated String Match completed Repeated String Match Solve ↗ ✓ Mark Repeated Substring Pattern completed Repeated Substring Pattern Solve ↗ ✓ Mark Replace Employee ID With The Unique Identifier completed Replace Employee ID With The Unique Identifier Solve ↗ ✓ Mark Reverse Linked List II completed Reverse Linked List II Solve ↗ ✓ Mark Reverse String completed Reverse String Solve ↗ ✓ Mark Reverse String II completed Reverse String II Solve ↗ ✓ Mark Richest Customer Wealth completed Richest Customer Wealth Solve ↗ ✓ Mark Rising Temperature completed Rising Temperature Solve ↗ ✓ Mark Robot Room Cleaner completed Robot Room Cleaner Solve ↗ ✓ Mark Rotate String completed Rotate String Solve ↗ ✓ Mark Score of a String completed Score of a String Solve ↗ ✓ Mark Search a 2D Matrix completed Search a 2D Matrix Solve ↗ ✓ Mark Search a 2D Matrix II completed Search a 2D Matrix II Solve ↗ ✓ Mark Search in Rotated Sorted Array II completed Search in Rotated Sorted Array II Solve ↗ ✓ Mark Second Highest Salary completed Second Highest Salary Solve ↗ ✓ Mark Sender With Largest Word Count completed Sender With Largest Word Count Solve ↗ ✓ Mark Separate Squares I completed Separate Squares I Solve ↗ ✓ Mark Serialize and Deserialize Binary Tree completed Serialize and Deserialize Binary Tree Solve ↗ ✓ Mark Shortest Palindrome completed Shortest Palindrome Solve ↗ ✓ Mark Shortest Path in a Grid with Obstacles Elimination completed Shortest Path in a Grid with Obstacles Elimination Solve ↗ ✓ Mark Shortest Path in Binary Matrix completed Shortest Path in Binary Matrix Solve ↗ ✓ Mark Shortest Path Visiting All Nodes completed Shortest Path Visiting All Nodes Solve ↗ ✓ Mark Shortest Unsorted Continuous Subarray completed Shortest Unsorted Continuous Subarray Solve ↗ ✓ Mark Simplify Path completed Simplify Path Solve ↗ ✓ Mark Single Number II completed Single Number II Solve ↗ ✓ Mark Single-Threaded CPU completed Single-Threaded CPU Solve ↗ ✓ Mark Snakes and Ladders completed Snakes and Ladders Solve ↗ ✓ Mark Snapshot Array completed Snapshot Array Solve ↗ ✓ Mark Sort an Array completed Sort an Array Solve ↗ ✓ Mark Sort Characters By Frequency completed Sort Characters By Frequency Solve ↗ ✓ Mark Sort List completed Sort List Solve ↗ ✓ Mark Soup Servings completed Soup Servings Solve ↗ ✓ Mark Squares of a Sorted Array completed Squares of a Sorted Array Solve ↗ ✓ Mark String Compression completed String Compression Solve ↗ ✓ Mark Student Attendance Record II completed Student Attendance Record II Solve ↗ ✓ Mark Students and Examinations completed Students and Examinations Solve ↗ ✓ Mark Subarrays with K Different Integers completed Subarrays with K Different Integers Solve ↗ ✓ Mark Subsets II completed Subsets II Solve ↗ ✓ Mark Substring with Concatenation of All Words completed Substring with Concatenation of All Words Solve ↗ ✓ Mark Sum of Distances in Tree completed Sum of Distances in Tree Solve ↗ ✓ Mark Sum of Square Numbers completed Sum of Square Numbers Solve ↗ ✓ Mark Sum of Two Integers completed Sum of Two Integers Solve ↗ ✓ Mark Summary Ranges completed Summary Ranges Solve ↗ ✓ Mark Surrounded Regions completed Surrounded Regions Solve ↗ ✓ Mark Swap Adjacent in LR String completed Swap Adjacent in LR String Solve ↗ ✓ Mark Swap Nodes in Pairs completed Swap Nodes in Pairs Solve ↗ ✓ Mark Swim in Rising Water completed Swim in Rising Water Solve ↗ ✓ Mark Symmetric Tree completed Symmetric Tree Solve ↗ ✓ Mark Task Scheduler completed Task Scheduler Solve ↗ ✓ Mark The Latest Time to Catch a Bus completed The Latest Time to Catch a Bus Solve ↗ ✓ Mark The Skyline Problem completed The Skyline Problem Solve ↗ ✓ Mark Time Taken to Cross the Door completed Time Taken to Cross the Door Solve ↗ ✓ Mark To Be Or Not To Be completed To Be Or Not To Be Solve ↗ ✓ Mark Top K Frequent Words completed Top K Frequent Words Solve ↗ ✓ Mark Transpose Matrix completed Transpose Matrix Solve ↗ ✓ Mark Trapping Rain Water II completed Trapping Rain Water II Solve ↗ ✓ Mark Triangle completed Triangle Solve ↗ ✓ Mark Tuple with Same Product completed Tuple with Same Product Solve ↗ ✓ Mark Two Sum II - Input Array Is Sorted completed Two Sum II - Input Array Is Sorted Solve ↗ ✓ Mark Type of Triangle completed Type of Triangle Solve ↗ ✓ Mark Unique Length-3 Palindromic Subsequences completed Unique Length-3 Palindromic Subsequences Solve ↗ ✓ Mark Valid Palindrome II completed Valid Palindrome II Solve ↗ ✓ Mark Validate Binary Search Tree completed Validate Binary Search Tree Solve ↗ ✓ Mark Vertical Order Traversal of a Binary Tree completed Vertical Order Traversal of a Binary Tree Solve ↗ ✓ Mark Word Break II completed Word Break II Solve ↗ ✓ Mark Word Ladder completed Word Ladder Solve ↗ ✓ Mark Word Search II completed Word Search II Solve ↗ ✓ Mark Zero Array Transformation II completed Zero Array Transformation II Solve ↗ ✓ Mark 132 Pattern completed 132 Pattern Solve ↗ ✓ Mark 2 Keys Keyboard completed 2 Keys Keyboard Solve ↗ ✓ Mark 3Sum Smaller completed 3Sum Smaller Solve ↗ ✓ Mark 4 Keys Keyboard completed 4 Keys Keyboard Solve ↗ ✓ Mark Add Bold Tag in String completed Add Bold Tag in String Solve ↗ ✓ Mark Adjacent Increasing Subarrays Detection I completed Adjacent Increasing Subarrays Detection I Solve ↗ ✓ Mark Adjacent Increasing Subarrays Detection II completed Adjacent Increasing Subarrays Detection II Solve ↗ ✓ Mark All Ancestors of a Node in a Directed Acyclic Graph completed All Ancestors of a Node in a Directed Acyclic Graph Solve ↗ ✓ Mark All Divisions With the Highest Score of a Binary Array completed All Divisions With the Highest Score of a Binary Array Solve ↗ ✓ Mark All Nodes Distance K in Binary Tree completed All Nodes Distance K in Binary Tree Solve ↗ ✓ Mark All O`one Data Structure completed All O`one Data Structure Solve ↗ ✓ Mark All Paths from Source Lead to Destination completed All Paths from Source Lead to Destination Solve ↗ ✓ Mark All People Report to the Given Manager completed All People Report to the Given Manager Solve ↗ ✓ Mark All Possible Full Binary Trees completed All Possible Full Binary Trees Solve ↗ ✓ Mark Alphabet Board Path completed Alphabet Board Path Solve ↗ ✓ Mark Alternating Groups II completed Alternating Groups II Solve ↗ ✓ Mark Ambiguous Coordinates completed Ambiguous Coordinates Solve ↗ ✓ Mark Amount of New Area Painted Each Day completed Amount of New Area Painted Each Day Solve ↗ ✓ Mark Ant on the Boundary completed Ant on the Boundary Solve ↗ ✓ Mark Apply Transform Over Each Element in Array completed Apply Transform Over Each Element in Array Solve ↗ ✓ Mark Arithmetic Subarrays completed Arithmetic Subarrays Solve ↗ ✓ Mark Arranging Coins completed Arranging Coins Solve ↗ ✓ Mark Array of Doubled Pairs completed Array of Doubled Pairs Solve ↗ ✓ Mark Array Prototype Last completed Array Prototype Last Solve ↗ ✓ Mark Avoid Flood in The City completed Avoid Flood in The City Solve ↗ ✓ Mark Balanced Binary Tree completed Balanced Binary Tree Solve ↗ ✓ Mark Baseball Game completed Baseball Game Solve ↗ ✓ Mark Basic Calculator II completed Basic Calculator II Solve ↗ ✓ Mark Basic Calculator III completed Basic Calculator III Solve ↗ ✓ Mark Battleships in a Board completed Battleships in a Board Solve ↗ ✓ Mark Beautiful Arrangement completed Beautiful Arrangement Solve ↗ ✓ Mark Beautiful Arrangement II completed Beautiful Arrangement II Solve ↗ ✓ Mark Beautiful Array completed Beautiful Array Solve ↗ ✓ Mark Best Sightseeing Pair completed Best Sightseeing Pair Solve ↗ ✓ Mark Best Time to Buy and Sell Stock III completed Best Time to Buy and Sell Stock III Solve ↗ ✓ Mark Best Time to Buy and Sell Stock IV completed Best Time to Buy and Sell Stock IV Solve ↗ ✓ Mark Binary Search Tree Iterator completed Binary Search Tree Iterator Solve ↗ ✓ Mark Binary Searchable Numbers in an Unsorted Array completed Binary Searchable Numbers in an Unsorted Array Solve ↗ ✓ Mark Binary String With Substrings Representing 1 To N completed Binary String With Substrings Representing 1 To N Solve ↗ ✓ Mark Binary Tree Cameras completed Binary Tree Cameras Solve ↗ ✓ Mark Binary Tree Coloring Game completed Binary Tree Coloring Game Solve ↗ ✓ Mark Binary Tree Longest Consecutive Sequence completed Binary Tree Longest Consecutive Sequence Solve ↗ ✓ Mark Binary Tree Longest Consecutive Sequence II completed Binary Tree Longest Consecutive Sequence II Solve ↗ ✓ Mark Binary Tree Nodes completed Binary Tree Nodes Solve ↗ ✓ Mark Binary Tree Postorder Traversal completed Binary Tree Postorder Traversal Solve ↗ ✓ Mark Binary Tree Preorder Traversal completed Binary Tree Preorder Traversal Solve ↗ ✓ Mark Binary Watch completed Binary Watch Solve ↗ ✓ Mark Bitwise AND of Numbers Range completed Bitwise AND of Numbers Range Solve ↗ ✓ Mark Bitwise ORs of Subarrays completed Bitwise ORs of Subarrays Solve ↗ ✓ Mark Boats to Save People completed Boats to Save People Solve ↗ ✓ Mark Bold Words in String completed Bold Words in String Solve ↗ ✓ Mark Bomb Enemy completed Bomb Enemy Solve ↗ ✓ Mark Booking Concert Tickets in Groups completed Booking Concert Tickets in Groups Solve ↗ ✓ Mark Boundary of Binary Tree completed Boundary of Binary Tree Solve ↗ ✓ Mark Brace Expansion completed Brace Expansion Solve ↗ ✓ Mark Brace Expansion II completed Brace Expansion II Solve ↗ ✓ Mark Bricks Falling When Hit completed Bricks Falling When Hit Solve ↗ ✓ Mark Buddy Strings completed Buddy Strings Solve ↗ ✓ Mark Build a Matrix With Conditions completed Build a Matrix With Conditions Solve ↗ ✓ Mark Build an Array With Stack Operations completed Build an Array With Stack Operations Solve ↗ ✓ Mark Build Array from Permutation completed Build Array from Permutation Solve ↗ ✓ Mark Bulls and Cows completed Bulls and Cows Solve ↗ ✓ Mark Bus Routes completed Bus Routes Solve ↗ ✓ Mark Calculate Compressed Mean completed Calculate Compressed Mean Solve ↗ ✓ Mark Calculate Money in Leetcode Bank completed Calculate Money in Leetcode Bank Solve ↗ ✓ Mark Camelcase Matching completed Camelcase Matching Solve ↗ ✓ Mark Campus Bikes completed Campus Bikes Solve ↗ ✓ Mark Campus Bikes II completed Campus Bikes II Solve ↗ ✓ Mark Car Fleet II completed Car Fleet II Solve ↗ ✓ Mark Car Pooling completed Car Pooling Solve ↗ ✓ Mark Cat and Mouse completed Cat and Mouse Solve ↗ ✓ Mark Cat and Mouse II completed Cat and Mouse II Solve ↗ ✓ Mark Champagne Tower completed Champagne Tower Solve ↗ ✓ Mark Change Minimum Characters to Satisfy One of Three Conditions completed Change Minimum Characters to Satisfy One of Three Conditions Solve ↗ ✓ Mark Change the Root of a Binary Tree completed Change the Root of a Binary Tree Solve ↗ ✓ Mark Check If a String Contains All Binary Codes of Size K completed Check If a String Contains All Binary Codes of Size K Solve ↗ ✓ Mark Check If Array Pairs Are Divisible by k completed Check If Array Pairs Are Divisible by k Solve ↗ ✓ Mark Check if DFS Strings Are Palindromes completed Check if DFS Strings Are Palindromes Solve ↗ ✓ Mark Check if Grid can be Cut into Sections completed Check if Grid can be Cut into Sections Solve ↗ ✓ Mark Check if Number Has Equal Digit Count and Digit Value completed Check if Number Has Equal Digit Count and Digit Value Solve ↗ ✓ Mark Check if Number is a Sum of Powers of Three completed Check if Number is a Sum of Powers of Three Solve ↗ ✓ Mark Check If String Is Transformable With Substring Sort Operations completed Check If String Is Transformable With Substring Sort Operations Solve ↗ ✓ Mark Check if the Rectangle Corner Is Reachable completed Check if the Rectangle Corner Is Reachable Solve ↗ ✓ Mark Check if the Sentence Is Pangram completed Check if the Sentence Is Pangram Solve ↗ ✓ Mark Check if There is a Path With Equal Number of 0's And 1's completed Check if There is a Path With Equal Number of 0's And 1's Solve ↗ ✓ Mark Check if There Is a Valid Parentheses String Path completed Check if There Is a Valid Parentheses String Path Solve ↗ ✓ Mark Check If Two Expression Trees are Equivalent completed Check If Two Expression Trees are Equivalent Solve ↗ ✓ Mark Checking Existence of Edge Length Limited Paths completed Checking Existence of Edge Length Limited Paths Solve ↗ ✓ Mark Checking Existence of Edge Length Limited Paths II completed Checking Existence of Edge Length Limited Paths II Solve ↗ ✓ Mark Cherry Pickup II completed Cherry Pickup II Solve ↗ ✓ Mark Circle and Rectangle Overlapping completed Circle and Rectangle Overlapping Solve ↗ ✓ Mark Class Performance completed Class Performance Solve ↗ ✓ Mark Clear Digits completed Clear Digits Solve ↗ ✓ Mark Closest Binary Search Tree Value completed Closest Binary Search Tree Value Solve ↗ ✓ Mark Closest Binary Search Tree Value II completed Closest Binary Search Tree Value II Solve ↗ ✓ Mark Closest Dessert Cost completed Closest Dessert Cost Solve ↗ ✓ Mark Closest Nodes Queries in a Binary Search Tree completed Closest Nodes Queries in a Binary Search Tree Solve ↗ ✓ Mark Coin Path completed Coin Path Solve ↗ ✓ Mark Combinations completed Combinations Solve ↗ ✓ Mark Compare Strings by Frequency of the Smallest Character completed Compare Strings by Frequency of the Smallest Character Solve ↗ ✓ Mark Complete Binary Tree Inserter completed Complete Binary Tree Inserter Solve ↗ ✓ Mark Confirmation Rate completed Confirmation Rate Solve ↗ ✓ Mark Confusing Number completed Confusing Number Solve ↗ ✓ Mark Confusing Number II completed Confusing Number II Solve ↗ ✓ Mark Construct Binary Search Tree from Preorder Traversal completed Construct Binary Search Tree from Preorder Traversal Solve ↗ ✓ Mark Construct Binary Tree from Inorder and Postorder Traversal completed Construct Binary Tree from Inorder and Postorder Traversal Solve ↗ ✓ Mark Construct Binary Tree from Preorder and Postorder Traversal completed Construct Binary Tree from Preorder and Postorder Traversal Solve ↗ ✓ Mark Continuous Subarray Sum completed Continuous Subarray Sum Solve ↗ ✓ Mark Convert 1D Array Into 2D Array completed Convert 1D Array Into 2D Array Solve ↗ ✓ Mark Convert Binary Number in a Linked List to Integer completed Convert Binary Number in a Linked List to Integer Solve ↗ ✓ Mark Convert Object to JSON String completed Convert Object to JSON String Solve ↗ ✓ Mark Convex Polygon completed Convex Polygon Solve ↗ ✓ Mark Correct a Binary Tree completed Correct a Binary Tree Solve ↗ ✓ Mark Count Asterisks completed Count Asterisks Solve ↗ ✓ Mark Count Cells in Overlapping Horizontal and Vertical Substrings completed Count Cells in Overlapping Horizontal and Vertical Substrings Solve ↗ ✓ Mark Count Complete Tree Nodes completed Count Complete Tree Nodes Solve ↗ ✓ Mark Count Fertile Pyramids in a Land completed Count Fertile Pyramids in a Land Solve ↗ ✓ Mark Count Good Triplets completed Count Good Triplets Solve ↗ ✓ Mark Count Hills and Valleys in an Array completed Count Hills and Valleys in an Array Solve ↗ ✓ Mark Count Houses in a Circular Street completed Count Houses in a Circular Street Solve ↗ ✓ Mark Count K-Subsequences of a String With Maximum Beauty completed Count K-Subsequences of a String With Maximum Beauty Solve ↗ ✓ Mark Count Nodes Equal to Average of Subtree completed Count Nodes Equal to Average of Subtree Solve ↗ ✓ Mark Count Non-Decreasing Subarrays After K Operations completed Count Non-Decreasing Subarrays After K Operations Solve ↗ ✓ Mark Count Number of Bad Pairs completed Count Number of Bad Pairs Solve ↗ ✓ Mark Count Number of Distinct Integers After Reverse Operations completed Count Number of Distinct Integers After Reverse Operations Solve ↗ ✓ Mark Count Number of Nice Subarrays completed Count Number of Nice Subarrays Solve ↗ ✓ Mark Count Number of Teams completed Count Number of Teams Solve ↗ ✓ Mark Count of Range Sum completed Count of Range Sum Solve ↗ ✓ Mark Count Pairs of Equal Substrings With Minimum Difference completed Count Pairs of Equal Substrings With Minimum Difference Solve ↗ ✓ Mark Count Pairs of Points With Distance k completed Count Pairs of Points With Distance k Solve ↗ ✓ Mark Count Positions on Street With Required Brightness completed Count Positions on Street With Required Brightness Solve ↗ ✓ Mark Count Prefixes of a Given String completed Count Prefixes of a Given String Solve ↗ ✓ Mark Count Servers that Communicate completed Count Servers that Communicate Solve ↗ ✓ Mark Count Special Subsequences completed Count Special Subsequences Solve ↗ ✓ Mark Count Subarrays With Median K completed Count Subarrays With Median K Solve ↗ ✓ Mark Count Subarrays With More Ones Than Zeros completed Count Subarrays With More Ones Than Zeros Solve ↗ ✓ Mark Count Subarrays With Score Less Than K completed Count Subarrays With Score Less Than K Solve ↗ ✓ Mark Count Submatrices With All Ones completed Count Submatrices With All Ones Solve ↗ ✓ Mark Count the Number of Fair Pairs completed Count the Number of Fair Pairs Solve ↗ ✓ Mark Count the Number of Good Partitions completed Count the Number of Good Partitions Solve ↗ ✓ Mark Count the Number of Substrings With Dominant Ones completed Count the Number of Substrings With Dominant Ones Solve ↗ ✓ Mark Count Unreachable Pairs of Nodes in an Undirected Graph completed Count Unreachable Pairs of Nodes in an Undirected Graph Solve ↗ ✓ Mark Count Ways to Distribute Candies completed Count Ways to Distribute Candies Solve ↗ ✓ Mark Count Words Obtained After Adding a Letter completed Count Words Obtained After Adding a Letter Solve ↗ ✓ Mark Counting Bits completed Counting Bits Solve ↗ ✓ Mark Counting Words With a Given Prefix completed Counting Words With a Given Prefix Solve ↗ ✓ Mark Couples Holding Hands completed Couples Holding Hands Solve ↗ ✓ Mark Cracking the Safe completed Cracking the Safe Solve ↗ ✓ Mark Create Binary Tree From Descriptions completed Create Binary Tree From Descriptions Solve ↗ ✓ Mark Create Maximum Number completed Create Maximum Number Solve ↗ ✓ Mark Critical Connections in a Network completed Critical Connections in a Network Solve ↗ ✓ Mark Cutting Ribbons completed Cutting Ribbons Solve ↗ ✓ Mark Decode Ways completed Decode Ways Solve ↗ ✓ Mark Decompress Run-Length Encoded List completed Decompress Run-Length Encoded List Solve ↗ ✓ Mark Decrease Elements To Make Array Zigzag completed Decrease Elements To Make Array Zigzag Solve ↗ ✓ Mark Deepest Leaves Sum completed Deepest Leaves Sum Solve ↗ ✓ Mark Defanging an IP Address completed Defanging an IP Address Solve ↗ ✓ Mark Defuse the Bomb completed Defuse the Bomb Solve ↗ ✓ Mark Delete and Earn completed Delete and Earn Solve ↗ ✓ Mark Delete Columns to Make Sorted completed Delete Columns to Make Sorted Solve ↗ ✓ Mark Delete Columns to Make Sorted II completed Delete Columns to Make Sorted II Solve ↗ ✓ Mark Delete Columns to Make Sorted III completed Delete Columns to Make Sorted III Solve ↗ ✓ Mark Delete Node in a BST completed Delete Node in a BST Solve ↗ ✓ Mark Delete Operation for Two Strings completed Delete Operation for Two Strings Solve ↗ ✓ Mark Delete the Middle Node of a Linked List completed Delete the Middle Node of a Linked List Solve ↗ ✓ Mark Department Top Three Salaries completed Department Top Three Salaries Solve ↗ ✓ Mark Describe the Painting completed Describe the Painting Solve ↗ ✓ Mark Design a Text Editor completed Design a Text Editor Solve ↗ ✓ Mark Design Add and Search Words Data Structure completed Design Add and Search Words Data Structure Solve ↗ ✓ Mark Design an ATM Machine completed Design an ATM Machine Solve ↗ ✓ Mark Design Circular Queue completed Design Circular Queue Solve ↗ ✓ Mark Design Compressed String Iterator completed Design Compressed String Iterator Solve ↗ ✓ Mark Design HashMap completed Design HashMap Solve ↗ ✓ Mark Design Linked List completed Design Linked List Solve ↗ ✓ Mark Design Most Recently Used Queue completed Design Most Recently Used Queue Solve ↗ ✓ Mark Design Phone Directory completed Design Phone Directory Solve ↗ ✓ Mark Design Search Autocomplete System completed Design Search Autocomplete System Solve ↗ ✓ Mark Design Skiplist completed Design Skiplist Solve ↗ ✓ Mark Design Snake Game completed Design Snake Game Solve ↗ ✓ Mark Design Task Manager completed Design Task Manager Solve ↗ ✓ Mark Design Tic-Tac-Toe completed Design Tic-Tac-Toe Solve ↗ ✓ Mark Design Video Sharing Platform completed Design Video Sharing Platform Solve ↗ ✓ Mark Destroying Asteroids completed Destroying Asteroids Solve ↗ ✓ Mark Detect Capital completed Detect Capital Solve ↗ ✓ Mark Determine if a Cell Is Reachable at a Given Time completed Determine if a Cell Is Reachable at a Given Time Solve ↗ ✓ Mark Determine if Two Events Have Conflict completed Determine if Two Events Have Conflict Solve ↗ ✓ Mark DI String Match completed DI String Match Solve ↗ ✓ Mark Diagonal Traverse II completed Diagonal Traverse II Solve ↗ ✓ Mark Different Ways to Add Parentheses completed Different Ways to Add Parentheses Solve ↗ ✓ Mark Disconnect Path in a Binary Matrix by at Most One Flip completed Disconnect Path in a Binary Matrix by at Most One Flip Solve ↗ ✓ Mark Distance Between Bus Stops completed Distance Between Bus Stops Solve ↗ ✓ Mark Distinct Echo Substrings completed Distinct Echo Substrings Solve ↗ ✓ Mark Distinct Subsequences completed Distinct Subsequences Solve ↗ ✓ Mark Distribute Coins in Binary Tree completed Distribute Coins in Binary Tree Solve ↗ ✓ Mark Distribute Repeating Integers completed Distribute Repeating Integers Solve ↗ ✓ Mark Divide Array in Sets of K Consecutive Numbers completed Divide Array in Sets of K Consecutive Numbers Solve ↗ ✓ Mark Divide Array Into Arrays With Max Difference completed Divide Array Into Arrays With Max Difference Solve ↗ ✓ Mark Divide Array Into Increasing Sequences completed Divide Array Into Increasing Sequences Solve ↗ ✓ Mark Divide Chocolate completed Divide Chocolate Solve ↗ ✓ Mark Divisible and Non-divisible Sums Difference completed Divisible and Non-divisible Sums Difference Solve ↗ ✓ Mark Divisor Game completed Divisor Game Solve ↗ ✓ Mark Dungeon Game completed Dungeon Game Solve ↗ ✓ Mark Duplicate Emails completed Duplicate Emails Solve ↗ ✓ Mark Duplicate Zeros completed Duplicate Zeros Solve ↗ ✓ Mark Element Appearing More Than 25% In Sorted Array completed Element Appearing More Than 25% In Sorted Array Solve ↗ ✓ Mark Eliminate Maximum Number of Monsters completed Eliminate Maximum Number of Monsters Solve ↗ ✓ Mark Employee Free Time completed Employee Free Time Solve ↗ ✓ Mark Employee Importance completed Employee Importance Solve ↗ ✓ Mark Employees Whose Manager Left the Company completed Employees Whose Manager Left the Company Solve ↗ ✓ Mark Encode and Decode TinyURL completed Encode and Decode TinyURL Solve ↗ ✓ Mark Encode String with Shortest Length completed Encode String with Shortest Length Solve ↗ ✓ Mark Erect the Fence completed Erect the Fence Solve ↗ ✓ Mark Erect the Fence II completed Erect the Fence II Solve ↗ ✓ Mark Escape The Ghosts completed Escape The Ghosts Solve ↗ ✓ Mark Evaluate Boolean Binary Tree completed Evaluate Boolean Binary Tree Solve ↗ ✓ Mark Evaluate the Bracket Pairs of a String completed Evaluate the Bracket Pairs of a String Solve ↗ ✓ Mark Exam Room completed Exam Room Solve ↗ ✓ Mark Excel Sheet Column Title completed Excel Sheet Column Title Solve ↗ ✓ Mark Exchange Seats completed Exchange Seats Solve ↗ ✓ Mark Exclusive Time of Functions completed Exclusive Time of Functions Solve ↗ ✓ Mark Expressive Words completed Expressive Words Solve ↗ ✓ Mark Extract Kth Character From The Rope Tree completed Extract Kth Character From The Rope Tree Solve ↗ ✓ Mark Factorial Trailing Zeroes completed Factorial Trailing Zeroes Solve ↗ ✓ Mark Fair Candy Swap completed Fair Candy Swap Solve ↗ ✓ Mark Fancy Sequence completed Fancy Sequence Solve ↗ ✓ Mark Fill a Special Grid completed Fill a Special Grid Solve ↗ ✓ Mark Final Prices With a Special Discount in a Shop completed Final Prices With a Special Discount in a Shop Solve ↗ ✓ Mark Find a Peak Element II completed Find a Peak Element II Solve ↗ ✓ Mark Find All Anagrams in a String completed Find All Anagrams in a String Solve ↗ ✓ Mark Find All K-Distant Indices in an Array completed Find All K-Distant Indices in an Array Solve ↗ ✓ Mark Find All Lonely Numbers in the Array completed Find All Lonely Numbers in the Array Solve ↗ ✓ Mark Find All People With Secret completed Find All People With Secret Solve ↗ ✓ Mark Find Anagram Mappings completed Find Anagram Mappings Solve ↗ ✓ Mark Find Beautiful Indices in the Given Array II completed Find Beautiful Indices in the Given Array II Solve ↗ ✓ Mark Find Champion I completed Find Champion I Solve ↗ ✓ Mark Find Champion II completed Find Champion II Solve ↗ ✓ Mark Find Common Characters completed Find Common Characters Solve ↗ ✓ Mark Find Customers With Positive Revenue this Year completed Find Customers With Positive Revenue this Year Solve ↗ ✓ Mark Find Elements in a Contaminated Binary Tree completed Find Elements in a Contaminated Binary Tree Solve ↗ ✓ Mark Find Expensive Cities completed Find Expensive Cities Solve ↗ ✓ Mark Find if Path Exists in Graph completed Find if Path Exists in Graph Solve ↗ ✓ Mark Find in Mountain Array completed Find in Mountain Array Solve ↗ ✓ Mark Find K-th Smallest Pair Distance completed Find K-th Smallest Pair Distance Solve ↗ ✓ Mark Find Kth Largest XOR Coordinate Value completed Find Kth Largest XOR Coordinate Value Solve ↗ ✓ Mark Find Latest Group of Size M completed Find Latest Group of Size M Solve ↗ ✓ Mark Find Leaves of Binary Tree completed Find Leaves of Binary Tree Solve ↗ ✓ Mark Find Longest Special Substring That Occurs Thrice II completed Find Longest Special Substring That Occurs Thrice II Solve ↗ ✓ Mark Find Minimum in Rotated Sorted Array II completed Find Minimum in Rotated Sorted Array II Solve ↗ ✓ Mark Find Minimum Time to Reach Last Room I completed Find Minimum Time to Reach Last Room I Solve ↗ ✓ Mark Find Mode in Binary Search Tree completed Find Mode in Binary Search Tree Solve ↗ ✓ Mark Find N Unique Integers Sum up to Zero completed Find N Unique Integers Sum up to Zero Solve ↗ ✓ Mark Find Nearest Right Node in Binary Tree completed Find Nearest Right Node in Binary Tree Solve ↗ ✓ Mark Find Numbers with Even Number of Digits completed Find Numbers with Even Number of Digits Solve ↗ ✓ Mark Find Original Array From Doubled Array completed Find Original Array From Doubled Array Solve ↗ ✓ Mark Find Permutation completed Find Permutation Solve ↗ ✓ Mark Find Pivot Index completed Find Pivot Index Solve ↗ ✓ Mark Find Positive Integer Solution for a Given Equation completed Find Positive Integer Solution for a Given Equation Solve ↗ ✓ Mark Find Root of N-Ary Tree completed Find Root of N-Ary Tree Solve ↗ ✓ Mark Find Smallest Letter Greater Than Target completed Find Smallest Letter Greater Than Target Solve ↗ ✓ Mark Find Target Indices After Sorting Array completed Find Target Indices After Sorting Array Solve ↗ ✓ Mark Find the City With the Smallest Number of Neighbors at a Threshold Distance completed Find the City With the Smallest Number of Neighbors at a Threshold Distance Solve ↗ ✓ Mark Find the Closest Palindrome completed Find the Closest Palindrome Solve ↗ ✓ Mark Find the Count of Monotonic Pairs I completed Find the Count of Monotonic Pairs I Solve ↗ ✓ Mark Find the Highest Altitude completed Find the Highest Altitude Solve ↗ ✓ Mark Find the K-th Character in String Game I completed Find the K-th Character in String Game I Solve ↗ ✓ Mark Find the Largest Area of Square Inside Two Rectangles completed Find the Largest Area of Square Inside Two Rectangles Solve ↗ ✓ Mark Find the Maximum Achievable Number completed Find the Maximum Achievable Number Solve ↗ ✓ Mark Find the Maximum Length of Valid Subsequence I completed Find the Maximum Length of Valid Subsequence I Solve ↗ ✓ Mark Find the Maximum Length of Valid Subsequence II completed Find the Maximum Length of Valid Subsequence II Solve ↗ ✓ Mark Find the Maximum Number of Elements in Subset completed Find the Maximum Number of Elements in Subset Solve ↗ ✓ Mark Find the Maximum Sequence Value of Array completed Find the Maximum Sequence Value of Array Solve ↗ ✓ Mark Find the Minimum Amount of Time to Brew Potions completed Find the Minimum Amount of Time to Brew Potions Solve ↗ ✓ Mark Find the Minimum Number of Fibonacci Numbers Whose Sum Is K completed Find the Minimum Number of Fibonacci Numbers Whose Sum Is K Solve ↗ ✓ Mark Find the Most Competitive Subsequence completed Find the Most Competitive Subsequence Solve ↗ ✓ Mark Find the Number of Ways to Place People I completed Find the Number of Ways to Place People I Solve ↗ ✓ Mark Find the Number of Ways to Place People II completed Find the Number of Ways to Place People II Solve ↗ ✓ Mark Find the Original Typed String II completed Find the Original Typed String II Solve ↗ ✓ Mark Find the Prefix Common Array of Two Arrays completed Find the Prefix Common Array of Two Arrays Solve ↗ ✓ Mark Find the Punishment Number of an Integer completed Find the Punishment Number of an Integer Solve ↗ ✓ Mark Find the Shortest Superstring completed Find the Shortest Superstring Solve ↗ ✓ Mark Find the Smallest Divisor Given a Threshold completed Find the Smallest Divisor Given a Threshold Solve ↗ ✓ Mark Find the Subtasks That Did Not Execute completed Find the Subtasks That Did Not Execute Solve ↗ ✓ Mark Find the Town Judge completed Find the Town Judge Solve ↗ ✓ Mark Find the Winner of the Circular Game completed Find the Winner of the Circular Game Solve ↗ ✓ Mark Find Two Non-overlapping Sub-arrays Each With Target Sum completed Find Two Non-overlapping Sub-arrays Each With Target Sum Solve ↗ ✓ Mark Find Valid Matrix Given Row and Column Sums completed Find Valid Matrix Given Row and Column Sums Solve ↗ ✓ Mark Finding 3-Digit Even Numbers completed Finding 3-Digit Even Numbers Solve ↗ ✓ Mark Finding the Number of Visible Mountains completed Finding the Number of Visible Mountains Solve ↗ ✓ Mark First Letter to Appear Twice completed First Letter to Appear Twice Solve ↗ ✓ Mark Fix Names in a Table completed Fix Names in a Table Solve ↗ ✓ Mark Flatten 2D Vector completed Flatten 2D Vector Solve ↗ ✓ Mark Flip Equivalent Binary Trees completed Flip Equivalent Binary Trees Solve ↗ ✓ Mark Flip Game completed Flip Game Solve ↗ ✓ Mark Flip Game II completed Flip Game II Solve ↗ ✓ Mark Flip String to Monotone Increasing completed Flip String to Monotone Increasing Solve ↗ ✓ Mark Form Largest Integer With Digits That Add up to Target completed Form Largest Integer With Digits That Add up to Target Solve ↗ ✓ Mark Freedom Trail completed Freedom Trail Solve ↗ ✓ Mark Frog Jump completed Frog Jump Solve ↗ ✓ Mark Frog Jump II completed Frog Jump II Solve ↗ ✓ Mark Frog Position After T Seconds completed Frog Position After T Seconds Solve ↗ ✓ Mark Furthest Building You Can Reach completed Furthest Building You Can Reach Solve ↗ ✓ Mark Game of Life completed Game of Life Solve ↗ ✓ Mark Game Play Analysis IV completed Game Play Analysis IV Solve ↗ ✓ Mark Generalized Abbreviation completed Generalized Abbreviation Solve ↗ ✓ Mark Get the Size of a DataFrame completed Get the Size of a DataFrame Solve ↗ ✓ Mark Grumpy Bookstore Owner completed Grumpy Bookstore Owner Solve ↗ ✓ Mark Guess Number Higher or Lower completed Guess Number Higher or Lower Solve ↗ ✓ Mark Guess Number Higher or Lower II completed Guess Number Higher or Lower II Solve ↗ ✓ Mark Guess the Majority in a Hidden Array completed Guess the Majority in a Hidden Array Solve ↗ ✓ Mark Hand of Straights completed Hand of Straights Solve ↗ ✓ Mark Heaters completed Heaters Solve ↗ ✓ Mark House Robber III completed House Robber III Solve ↗ ✓ Mark House Robber IV completed House Robber IV Solve ↗ ✓ Mark How Many Numbers Are Smaller Than the Current Number completed How Many Numbers Are Smaller Than the Current Number Solve ↗ ✓ Mark Image Overlap completed Image Overlap Solve ↗ ✓ Mark Immediate Food Delivery II completed Immediate Food Delivery II Solve ↗ ✓ Mark Implement Magic Dictionary completed Implement Magic Dictionary Solve ↗ ✓ Mark Implement Rand10() Using Rand7() completed Implement Rand10() Using Rand7() Solve ↗ ✓ Mark Increment Submatrices by One completed Increment Submatrices by One Solve ↗ ✓ Mark Insert into a Binary Search Tree completed Insert into a Binary Search Tree Solve ↗ ✓ Mark Insert into a Sorted Circular Linked List completed Insert into a Sorted Circular Linked List Solve ↗ ✓ Mark Insertion Sort List completed Insertion Sort List Solve ↗ ✓ Mark Integer Break completed Integer Break Solve ↗ ✓ Mark Integer Replacement completed Integer Replacement Solve ↗ ✓ Mark Interleaving String completed Interleaving String Solve ↗ ✓ Mark Interval List Intersections completed Interval List Intersections Solve ↗ ✓ Mark Invalid Tweets completed Invalid Tweets Solve ↗ ✓ Mark Inverse Coin Change completed Inverse Coin Change Solve ↗ ✓ Mark IPO completed IPO Solve ↗ ✓ Mark Is Graph Bipartite? completed Is Graph Bipartite? Solve ↗ ✓ Mark Iterator for Combination completed Iterator for Combination Solve ↗ ✓ Mark Jewels and Stones completed Jewels and Stones Solve ↗ ✓ Mark Jump Game IV completed Jump Game IV Solve ↗ ✓ Mark Jump Game VII completed Jump Game VII Solve ↗ ✓ Mark K Empty Slots completed K Empty Slots Solve ↗ ✓ Mark K-diff Pairs in an Array completed K-diff Pairs in an Array Solve ↗ ✓ Mark K-Similar Strings completed K-Similar Strings Solve ↗ ✓ Mark K-th Smallest in Lexicographical Order completed K-th Smallest in Lexicographical Order Solve ↗ ✓ Mark K-th Symbol in Grammar completed K-th Symbol in Grammar Solve ↗ ✓ Mark Keyboard Row completed Keyboard Row Solve ↗ ✓ Mark Knight Dialer completed Knight Dialer Solve ↗ ✓ Mark Kth Ancestor of a Tree Node completed Kth Ancestor of a Tree Node Solve ↗ ✓ Mark Kth Largest Element in a Stream completed Kth Largest Element in a Stream Solve ↗ ✓ Mark Kth Smallest Element in a Sorted Matrix completed Kth Smallest Element in a Sorted Matrix Solve ↗ ✓ Mark Kth Smallest Number in Multiplication Table completed Kth Smallest Number in Multiplication Table Solve ↗ ✓ Mark Kth Smallest Product of Two Sorted Arrays completed Kth Smallest Product of Two Sorted Arrays Solve ↗ ✓ Mark Kth Smallest Subarray Sum completed Kth Smallest Subarray Sum Solve ↗ ✓ Mark Largest Color Value in a Directed Graph completed Largest Color Value in a Directed Graph Solve ↗ ✓ Mark Largest Component Size by Common Factor completed Largest Component Size by Common Factor Solve ↗ ✓ Mark Largest Local Values in a Matrix completed Largest Local Values in a Matrix Solve ↗ ✓ Mark Largest Number At Least Twice of Others completed Largest Number At Least Twice of Others Solve ↗ ✓ Mark Largest Odd Number in String completed Largest Odd Number in String Solve ↗ ✓ Mark Largest Subarray Length K completed Largest Subarray Length K Solve ↗ ✓ Mark Largest Submatrix With Rearrangements completed Largest Submatrix With Rearrangements Solve ↗ ✓ Mark Largest Sum of Averages completed Largest Sum of Averages Solve ↗ ✓ Mark Largest Values From Labels completed Largest Values From Labels Solve ↗ ✓ Mark Last Moment Before All Ants Fall Out of a Plank completed Last Moment Before All Ants Fall Out of a Plank Solve ↗ ✓ Mark Last Stone Weight completed Last Stone Weight Solve ↗ ✓ Mark Latest Time by Replacing Hidden Digits completed Latest Time by Replacing Hidden Digits Solve ↗ ✓ Mark Latest Time You Can Obtain After Replacing Characters completed Latest Time You Can Obtain After Replacing Characters Solve ↗ ✓ Mark Letter Tile Possibilities completed Letter Tile Possibilities Solve ↗ ✓ Mark Lexicographical Numbers completed Lexicographical Numbers Solve ↗ ✓ Mark License Key Formatting completed License Key Formatting Solve ↗ ✓ Mark Line Reflection completed Line Reflection Solve ↗ ✓ Mark Linked List Components completed Linked List Components Solve ↗ ✓ Mark Loan Types completed Loan Types Solve ↗ ✓ Mark Lonely Pixel I completed Lonely Pixel I Solve ↗ ✓ Mark Lonely Pixel II completed Lonely Pixel II Solve ↗ ✓ Mark Longest Arithmetic Subsequence completed Longest Arithmetic Subsequence Solve ↗ ✓ Mark Longest Binary Subsequence Less Than or Equal to K completed Longest Binary Subsequence Less Than or Equal to K Solve ↗ ✓ Mark Longest Chunked Palindrome Decomposition completed Longest Chunked Palindrome Decomposition Solve ↗ ✓ Mark Longest Common Subsequence Between Sorted Arrays completed Longest Common Subsequence Between Sorted Arrays Solve ↗ ✓ Mark Longest Common Suffix Queries completed Longest Common Suffix Queries Solve ↗ ✓ Mark Longest Duplicate Substring completed Longest Duplicate Substring Solve ↗ ✓ Mark Longest Happy Prefix completed Longest Happy Prefix Solve ↗ ✓ Mark Longest Harmonious Subsequence completed Longest Harmonious Subsequence Solve ↗ ✓ Mark Longest Line of Consecutive One in Matrix completed Longest Line of Consecutive One in Matrix Solve ↗ ✓ Mark Longest Mountain in Array completed Longest Mountain in Array Solve ↗ ✓ Mark Longest Nice Subarray completed Longest Nice Subarray Solve ↗ ✓ Mark Longest Palindromic Subsequence completed Longest Palindromic Subsequence Solve ↗ ✓ Mark Longest Palindromic Subsequence After at Most K Operations completed Longest Palindromic Subsequence After at Most K Operations Solve ↗ ✓ Mark Longest String Chain completed Longest String Chain Solve ↗ ✓ Mark Longest Subarray of 1's After Deleting One Element completed Longest Subarray of 1's After Deleting One Element Solve ↗ ✓ Mark Longest Substring with At Least K Repeating Characters completed Longest Substring with At Least K Repeating Characters Solve ↗ ✓ Mark Longest Substring with At Most K Distinct Characters completed Longest Substring with At Most K Distinct Characters Solve ↗ ✓ Mark Longest Substring with At Most Two Distinct Characters completed Longest Substring with At Most Two Distinct Characters Solve ↗ ✓ Mark Longest Uncommon Subsequence I completed Longest Uncommon Subsequence I Solve ↗ ✓ Mark Longest Uncommon Subsequence II completed Longest Uncommon Subsequence II Solve ↗ ✓ Mark Longest Univalue Path completed Longest Univalue Path Solve ↗ ✓ Mark Longest Uploaded Prefix completed Longest Uploaded Prefix Solve ↗ ✓ Mark Longest Word in Dictionary through Deleting completed Longest Word in Dictionary through Deleting Solve ↗ ✓ Mark Longest Word With All Prefixes completed Longest Word With All Prefixes Solve ↗ ✓ Mark Lowest Common Ancestor of a Binary Search Tree completed Lowest Common Ancestor of a Binary Search Tree Solve ↗ ✓ Mark Magic Squares In Grid completed Magic Squares In Grid Solve ↗ ✓ Mark Magical String completed Magical String Solve ↗ ✓ Mark Magnetic Force Between Two Balls completed Magnetic Force Between Two Balls Solve ↗ ✓ Mark Make Number of Distinct Characters Equal completed Make Number of Distinct Characters Equal Solve ↗ ✓ Mark Make The String Great completed Make The String Great Solve ↗ ✓ Mark Map of Highest Peak completed Map of Highest Peak Solve ↗ ✓ Mark Matrix Block Sum completed Matrix Block Sum Solve ↗ ✓ Mark Matrix Diagonal Sum completed Matrix Diagonal Sum Solve ↗ ✓ Mark Max Chunks To Make Sorted completed Max Chunks To Make Sorted Solve ↗ ✓ Mark Max Chunks To Make Sorted II completed Max Chunks To Make Sorted II Solve ↗ ✓ Mark Max Consecutive Ones II completed Max Consecutive Ones II Solve ↗ ✓ Mark Max Number of K-Sum Pairs completed Max Number of K-Sum Pairs Solve ↗ ✓ Mark Max Sum of Rectangle No Larger Than K completed Max Sum of Rectangle No Larger Than K Solve ↗ ✓ Mark Max Value of Equation completed Max Value of Equation Solve ↗ ✓ Mark Maximize Consecutive Elements in an Array After Modification completed Maximize Consecutive Elements in an Array After Modification Solve ↗ ✓ Mark Maximize Distance to Closest Person completed Maximize Distance to Closest Person Solve ↗ ✓ Mark Maximize Subarray GCD Score completed Maximize Subarray GCD Score Solve ↗ ✓ Mark Maximize Total Cost of Alternating Subarrays completed Maximize Total Cost of Alternating Subarrays Solve ↗ ✓ Mark Maximum AND Sum of Array completed Maximum AND Sum of Array Solve ↗ ✓ Mark Maximum Area Rectangle With Point Constraints I completed Maximum Area Rectangle With Point Constraints I Solve ↗ ✓ Mark Maximum Average Subarray II completed Maximum Average Subarray II Solve ↗ ✓ Mark Maximum Employees to Be Invited to a Meeting completed Maximum Employees to Be Invited to a Meeting Solve ↗ ✓ Mark Maximum Erasure Value completed Maximum Erasure Value Solve ↗ ✓ Mark Maximum Font to Fit a Sentence in a Screen completed Maximum Font to Fit a Sentence in a Screen Solve ↗ ✓ Mark Maximum Frequency of an Element After Performing Operations I completed Maximum Frequency of an Element After Performing Operations I Solve ↗ ✓ Mark Maximum Frequency of an Element After Performing Operations II completed Maximum Frequency of an Element After Performing Operations II Solve ↗ ✓ Mark Maximum Good Subarray Sum completed Maximum Good Subarray Sum Solve ↗ ✓ Mark Maximum Level Sum of a Binary Tree completed Maximum Level Sum of a Binary Tree Solve ↗ ✓ Mark Maximum Non Negative Product in a Matrix completed Maximum Non Negative Product in a Matrix Solve ↗ ✓ Mark Maximum Number of Distinct Elements After Operations completed Maximum Number of Distinct Elements After Operations Solve ↗ ✓ Mark Maximum Number of Events That Can Be Attended completed Maximum Number of Events That Can Be Attended Solve ↗ ✓ Mark Maximum Number of Events That Can Be Attended II completed Maximum Number of Events That Can Be Attended II Solve ↗ ✓ Mark Maximum Number of Groups Getting Fresh Donuts completed Maximum Number of Groups Getting Fresh Donuts Solve ↗ ✓ Mark Maximum Number of K-Divisible Components completed Maximum Number of K-Divisible Components Solve ↗ ✓ Mark Maximum Number of Non-Overlapping Subarrays With Sum Equals Target completed Maximum Number of Non-Overlapping Subarrays With Sum Equals Target Solve ↗ ✓ Mark Maximum Number of Operations to Move Ones to the End completed Maximum Number of Operations to Move Ones to the End Solve ↗ ✓ Mark Maximum Number of Ways to Partition an Array completed Maximum Number of Ways to Partition an Array Solve ↗ ✓ Mark Maximum Number of Words Found in Sentences completed Maximum Number of Words Found in Sentences Solve ↗ ✓ Mark Maximum Number That Sum of the Prices Is Less Than or Equal to K completed Maximum Number That Sum of the Prices Is Less Than or Equal to K Solve ↗ ✓ Mark Maximum Product of Word Lengths completed Maximum Product of Word Lengths Solve ↗ ✓ Mark Maximum Score After Applying Operations on a Tree completed Maximum Score After Applying Operations on a Tree Solve ↗ ✓ Mark Maximum Score from Performing Multiplication Operations completed Maximum Score from Performing Multiplication Operations Solve ↗ ✓ Mark Maximum Score From Removing Stones completed Maximum Score From Removing Stones Solve ↗ ✓ Mark Maximum Score of a Good Subarray completed Maximum Score of a Good Subarray Solve ↗ ✓ Mark Maximum Score of a Node Sequence completed Maximum Score of a Node Sequence Solve ↗ ✓ Mark Maximum Side Length of a Square with Sum Less than or Equal to Threshold completed Maximum Side Length of a Square with Sum Less than or Equal to Threshold Solve ↗ ✓ Mark Maximum Split of Positive Even Integers completed Maximum Split of Positive Even Integers Solve ↗ ✓ Mark Maximum Subsequence Score completed Maximum Subsequence Score Solve ↗ ✓ Mark Maximum Sum Circular Subarray completed Maximum Sum Circular Subarray Solve ↗ ✓ Mark Maximum Sum of Distinct Subarrays With Length K completed Maximum Sum of Distinct Subarrays With Length K Solve ↗ ✓ Mark Maximum Vacation Days completed Maximum Vacation Days Solve ↗ ✓ Mark Maximum Value of an Ordered Triplet II completed Maximum Value of an Ordered Triplet II Solve ↗ ✓ Mark Maximum Value of K Coins From Piles completed Maximum Value of K Coins From Piles Solve ↗ ✓ Mark Maximum White Tiles Covered by a Carpet completed Maximum White Tiles Covered by a Carpet Solve ↗ ✓ Mark Maximum Width of Binary Tree completed Maximum Width of Binary Tree Solve ↗ ✓ Mark Maximum XOR With an Element From Array completed Maximum XOR With an Element From Array Solve ↗ ✓ Mark Mean of Array After Removing Some Elements completed Mean of Array After Removing Some Elements Solve ↗ ✓ Mark Median Employee Salary completed Median Employee Salary Solve ↗ ✓ Mark Meeting Rooms completed Meeting Rooms Solve ↗ ✓ Mark Merge Similar Items completed Merge Similar Items Solve ↗ ✓ Mark Merge Triplets to Form Target Triplet completed Merge Triplets to Form Target Triplet Solve ↗ ✓ Mark Merge Two 2D Arrays by Summing Values completed Merge Two 2D Arrays by Summing Values Solve ↗ ✓ Mark Minimize Hamming Distance After Swap Operations completed Minimize Hamming Distance After Swap Operations Solve ↗ ✓ Mark Minimize Max Distance to Gas Station completed Minimize Max Distance to Gas Station Solve ↗ ✓ Mark Minimize Maximum Value in a Grid completed Minimize Maximum Value in a Grid Solve ↗ ✓ Mark Minimize Product Sum of Two Arrays completed Minimize Product Sum of Two Arrays Solve ↗ ✓ Mark Minimize the Maximum Difference of Pairs completed Minimize the Maximum Difference of Pairs Solve ↗ ✓ Mark Minimum Absolute Difference Between Elements With Constraint completed Minimum Absolute Difference Between Elements With Constraint Solve ↗ ✓ Mark Minimum Absolute Difference in BST completed Minimum Absolute Difference in BST Solve ↗ ✓ Mark Minimum Absolute Difference Queries completed Minimum Absolute Difference Queries Solve ↗ ✓ Mark Minimum Add to Make Parentheses Valid completed Minimum Add to Make Parentheses Valid Solve ↗ ✓ Mark Minimum Adjacent Swaps for K Consecutive Ones completed Minimum Adjacent Swaps for K Consecutive Ones Solve ↗ ✓ Mark Minimum Adjacent Swaps to Reach the Kth Smallest Number completed Minimum Adjacent Swaps to Reach the Kth Smallest Number Solve ↗ ✓ Mark Minimum Consecutive Cards to Pick Up completed Minimum Consecutive Cards to Pick Up Solve ↗ ✓ Mark Minimum Cost For Tickets completed Minimum Cost For Tickets Solve ↗ ✓ Mark Minimum Cost to Change the Final Value of Expression completed Minimum Cost to Change the Final Value of Expression Solve ↗ ✓ Mark Minimum Cost to Connect Sticks completed Minimum Cost to Connect Sticks Solve ↗ ✓ Mark Minimum Cost to Connect Two Groups of Points completed Minimum Cost to Connect Two Groups of Points Solve ↗ ✓ Mark Minimum Cost to Cut a Stick completed Minimum Cost to Cut a Stick Solve ↗ ✓ Mark Minimum Cost to Hire K Workers completed Minimum Cost to Hire K Workers Solve ↗ ✓ Mark Minimum Cost to Make Array Equalindromic completed Minimum Cost to Make Array Equalindromic Solve ↗ ✓ Mark Minimum Cost to Merge Stones completed Minimum Cost to Merge Stones Solve ↗ ✓ Mark Minimum Cost to Set Cooking Time completed Minimum Cost to Set Cooking Time Solve ↗ ✓ Mark Minimum Deletions to Make String Balanced completed Minimum Deletions to Make String Balanced Solve ↗ ✓ Mark Minimum Depth of Binary Tree completed Minimum Depth of Binary Tree Solve ↗ ✓ Mark Minimum Distance Between BST Nodes completed Minimum Distance Between BST Nodes Solve ↗ ✓ Mark Minimum Distance to Type a Word Using Two Fingers completed Minimum Distance to Type a Word Using Two Fingers Solve ↗ ✓ Mark Minimum Falling Path Sum II completed Minimum Falling Path Sum II Solve ↗ ✓ Mark Minimum Flips in Binary Tree to Get Result completed Minimum Flips in Binary Tree to Get Result Solve ↗ ✓ Mark Minimum Increment Operations to Make Array Beautiful completed Minimum Increment Operations to Make Array Beautiful Solve ↗ ✓ Mark Minimum Increment to Make Array Unique completed Minimum Increment to Make Array Unique Solve ↗ ✓ Mark Minimum Knight Moves completed Minimum Knight Moves Solve ↗ ✓ Mark Minimum Limit of Balls in a Bag completed Minimum Limit of Balls in a Bag Solve ↗ ✓ Mark Minimum Lines to Represent a Line Chart completed Minimum Lines to Represent a Line Chart Solve ↗ ✓ Mark Minimum Number of Days to Eat N Oranges completed Minimum Number of Days to Eat N Oranges Solve ↗ ✓ Mark Minimum Number of Flips to Make Binary Grid Palindromic II completed Minimum Number of Flips to Make Binary Grid Palindromic II Solve ↗ ✓ Mark Minimum Number of Flips to Make the Binary String Alternating completed Minimum Number of Flips to Make the Binary String Alternating Solve ↗ ✓ Mark Minimum Number of K Consecutive Bit Flips completed Minimum Number of K Consecutive Bit Flips Solve ↗ ✓ Mark Minimum Number of Operations to Convert Time completed Minimum Number of Operations to Convert Time Solve ↗ ✓ Mark Minimum Number of Operations to Make Word K-Periodic completed Minimum Number of Operations to Make Word K-Periodic Solve ↗ ✓ Mark Minimum Number of Operations to Reinitialize a Permutation completed Minimum Number of Operations to Reinitialize a Permutation Solve ↗ ✓ Mark Minimum Number of Swaps to Make the String Balanced completed Minimum Number of Swaps to Make the String Balanced Solve ↗ ✓ Mark Minimum Number of Vertices to Reach All Nodes completed Minimum Number of Vertices to Reach All Nodes Solve ↗ ✓ Mark Minimum Operations to Convert Number completed Minimum Operations to Convert Number Solve ↗ ✓ Mark Minimum Operations to Make a Subsequence completed Minimum Operations to Make a Subsequence Solve ↗ ✓ Mark Minimum Operations to Make Binary Array Elements Equal to One I completed Minimum Operations to Make Binary Array Elements Equal to One I Solve ↗ ✓ Mark Minimum Operations to Reduce X to Zero completed Minimum Operations to Reduce X to Zero Solve ↗ ✓ Mark Minimum Path Cost in a Grid completed Minimum Path Cost in a Grid Solve ↗ ✓ Mark Minimum Path Cost in a Hidden Grid completed Minimum Path Cost in a Hidden Grid Solve ↗ ✓ Mark Minimum Remove to Make Valid Parentheses completed Minimum Remove to Make Valid Parentheses Solve ↗ ✓ Mark Minimum Skips to Arrive at Meeting On Time completed Minimum Skips to Arrive at Meeting On Time Solve ↗ ✓ Mark Minimum Speed to Arrive on Time completed Minimum Speed to Arrive on Time Solve ↗ ✓ Mark Minimum Sum of Values by Dividing Array completed Minimum Sum of Values by Dividing Array Solve ↗ ✓ Mark Minimum Time to Build Blocks completed Minimum Time to Build Blocks Solve ↗ ✓ Mark Minimum Time to Remove All Cars Containing Illegal Goods completed Minimum Time to Remove All Cars Containing Illegal Goods Solve ↗ ✓ Mark Minimum Time to Repair Cars completed Minimum Time to Repair Cars Solve ↗ ✓ Mark Minimum Time to Visit a Cell In a Grid completed Minimum Time to Visit a Cell In a Grid Solve ↗ ✓ Mark Minimum Unique Word Abbreviation completed Minimum Unique Word Abbreviation Solve ↗ ✓ Mark Minimum White Tiles After Covering With Carpets completed Minimum White Tiles After Covering With Carpets Solve ↗ ✓ Mark Minimum Window Subsequence completed Minimum Window Subsequence Solve ↗ ✓ Mark Most Frequent Number Following Key In an Array completed Most Frequent Number Following Key In an Array Solve ↗ ✓ Mark Most Frequent Prime completed Most Frequent Prime Solve ↗ ✓ Mark Most Stones Removed with Same Row or Column completed Most Stones Removed with Same Row or Column Solve ↗ ✓ Mark Move Sub-Tree of N-Ary Tree completed Move Sub-Tree of N-Ary Tree Solve ↗ ✓ Mark My Calendar II completed My Calendar II Solve ↗ ✓ Mark My Calendar III completed My Calendar III Solve ↗ ✓ Mark N-Queens II completed N-Queens II Solve ↗ ✓ Mark Next Closest Time completed Next Closest Time Solve ↗ ✓ Mark Nim Game completed Nim Game Solve ↗ ✓ Mark Non-decreasing Array completed Non-decreasing Array Solve ↗ ✓ Mark Not Boring Movies completed Not Boring Movies Solve ↗ ✓ Mark Nth Highest Salary completed Nth Highest Salary Solve ↗ ✓ Mark Number of 1 Bits completed Number of 1 Bits Solve ↗ ✓ Mark Number of Atoms completed Number of Atoms Solve ↗ ✓ Mark Number of Beautiful Partitions completed Number of Beautiful Partitions Solve ↗ ✓ Mark Number of Boomerangs completed Number of Boomerangs Solve ↗ ✓ Mark Number of Connected Components in an Undirected Graph completed Number of Connected Components in an Undirected Graph Solve ↗ ✓ Mark Number of Digit One completed Number of Digit One Solve ↗ ✓ Mark Number of Enclaves completed Number of Enclaves Solve ↗ ✓ Mark Number of Equal Numbers Blocks completed Number of Equal Numbers Blocks Solve ↗ ✓ Mark Number of Equivalent Domino Pairs completed Number of Equivalent Domino Pairs Solve ↗ ✓ Mark Number of Flowers in Full Bloom completed Number of Flowers in Full Bloom Solve ↗ ✓ Mark Number of Good Leaf Nodes Pairs completed Number of Good Leaf Nodes Pairs Solve ↗ ✓ Mark Number of Good Paths completed Number of Good Paths Solve ↗ ✓ Mark Number of Good Ways to Split a String completed Number of Good Ways to Split a String Solve ↗ ✓ Mark Number of Pairs Satisfying Inequality completed Number of Pairs Satisfying Inequality Solve ↗ ✓ Mark Number of Recent Calls completed Number of Recent Calls Solve ↗ ✓ Mark Number of Restricted Paths From First to Last Node completed Number of Restricted Paths From First to Last Node Solve ↗ ✓ Mark Number of Same-End Substrings completed Number of Same-End Substrings Solve ↗ ✓ Mark Number of Students Unable to Eat Lunch completed Number of Students Unable to Eat Lunch Solve ↗ ✓ Mark Number of Subsequences That Satisfy the Given Sum Condition completed Number of Subsequences That Satisfy the Given Sum Condition Solve ↗ ✓ Mark Number of Substrings Containing All Three Characters completed Number of Substrings Containing All Three Characters Solve ↗ ✓ Mark Number of Substrings With Only 1s completed Number of Substrings With Only 1s Solve ↗ ✓ Mark Number of Unique Good Subsequences completed Number of Unique Good Subsequences Solve ↗ ✓ Mark Number of Valid Clock Times completed Number of Valid Clock Times Solve ↗ ✓ Mark Number of Ways of Cutting a Pizza completed Number of Ways of Cutting a Pizza Solve ↗ ✓ Mark Number of Ways to Arrive at Destination completed Number of Ways to Arrive at Destination Solve ↗ ✓ Mark Number of Ways to Form a Target String Given a Dictionary completed Number of Ways to Form a Target String Given a Dictionary Solve ↗ ✓ Mark Number of Ways to Rearrange Sticks With K Sticks Visible completed Number of Ways to Rearrange Sticks With K Sticks Visible Solve ↗ ✓ Mark Number of Ways to Reorder Array to Get Same BST completed Number of Ways to Reorder Array to Get Same BST Solve ↗ ✓ Mark Number of Ways to Split Array completed Number of Ways to Split Array Solve ↗ ✓ Mark Number of Ways to Stay in the Same Place After Some Steps completed Number of Ways to Stay in the Same Place After Some Steps Solve ↗ ✓ Mark Number of Wonderful Substrings completed Number of Wonderful Substrings Solve ↗ ✓ Mark Number of Zero-Filled Subarrays completed Number of Zero-Filled Subarrays Solve ↗ ✓ Mark Numbers With Repeated Digits completed Numbers With Repeated Digits Solve ↗ ✓ Mark Occurrences After Bigram completed Occurrences After Bigram Solve ↗ ✓ Mark Ones and Zeroes completed Ones and Zeroes Solve ↗ ✓ Mark Online Election completed Online Election Solve ↗ ✓ Mark Operations on Tree completed Operations on Tree Solve ↗ ✓ Mark Optimal Account Balancing completed Optimal Account Balancing Solve ↗ ✓ Mark Optimize Water Distribution in a Village completed Optimize Water Distribution in a Village Solve ↗ ✓ Mark Output Contest Matches completed Output Contest Matches Solve ↗ ✓ Mark Paint Fence completed Paint Fence Solve ↗ ✓ Mark Painting a Grid With Three Different Colors completed Painting a Grid With Three Different Colors Solve ↗ ✓ Mark Palindrome Pairs completed Palindrome Pairs Solve ↗ ✓ Mark Palindrome Partitioning II completed Palindrome Partitioning II Solve ↗ ✓ Mark Palindrome Permutation completed Palindrome Permutation Solve ↗ ✓ Mark Parallel Courses completed Parallel Courses Solve ↗ ✓ Mark Parallel Courses II completed Parallel Courses II Solve ↗ ✓ Mark Parallel Courses III completed Parallel Courses III Solve ↗ ✓ Mark Parsing A Boolean Expression completed Parsing A Boolean Expression Solve ↗ ✓ Mark Partition Array According to Given Pivot completed Partition Array According to Given Pivot Solve ↗ ✓ Mark Partition Array for Maximum Sum completed Partition Array for Maximum Sum Solve ↗ ✓ Mark Partition String completed Partition String Solve ↗ ✓ Mark Pascal's Triangle II completed Pascal's Triangle II Solve ↗ ✓ Mark Pass the Pillow completed Pass the Pillow Solve ↗ ✓ Mark Patching Array completed Patching Array Solve ↗ ✓ Mark Path Existence Queries in a Graph I completed Path Existence Queries in a Graph I Solve ↗ ✓ Mark Path Sum completed Path Sum Solve ↗ ✓ Mark Path Sum III completed Path Sum III Solve ↗ ✓ Mark Path with Maximum Gold completed Path with Maximum Gold Solve ↗ ✓ Mark Path With Maximum Minimum Value completed Path With Maximum Minimum Value Solve ↗ ✓ Mark Path with Maximum Probability completed Path with Maximum Probability Solve ↗ ✓ Mark Paths in Matrix Whose Sum Is Divisible by K completed Paths in Matrix Whose Sum Is Divisible by K Solve ↗ ✓ Mark Paths in Maze That Lead to Same Room completed Paths in Maze That Lead to Same Room Solve ↗ ✓ Mark Peeking Iterator completed Peeking Iterator Solve ↗ ✓ Mark People Whose List of Favorite Companies Is Not a Subset of Another List completed People Whose List of Favorite Companies Is Not a Subset of Another List Solve ↗ ✓ Mark Percentage of Users Attended a Contest completed Percentage of Users Attended a Contest Solve ↗ ✓ Mark Perfect Rectangle completed Perfect Rectangle Solve ↗ ✓ Mark Permutations II completed Permutations II Solve ↗ ✓ Mark Pizza With 3n Slices completed Pizza With 3n Slices Solve ↗ ✓ Mark Plus One Linked List completed Plus One Linked List Solve ↗ ✓ Mark Populating Next Right Pointers in Each Node completed Populating Next Right Pointers in Each Node Solve ↗ ✓ Mark Positions of Large Groups completed Positions of Large Groups Solve ↗ ✓ Mark Power of Four completed Power of Four Solve ↗ ✓ Mark Prime Subtraction Operation completed Prime Subtraction Operation Solve ↗ ✓ Mark Print Binary Tree completed Print Binary Tree Solve ↗ ✓ Mark Print in Order completed Print in Order Solve ↗ ✓ Mark Process Restricted Friend Requests completed Process Restricted Friend Requests Solve ↗ ✓ Mark Product Price at a Given Date completed Product Price at a Given Date Solve ↗ ✓ Mark Product Sales Analysis I completed Product Sales Analysis I Solve ↗ ✓ Mark Profitable Schemes completed Profitable Schemes Solve ↗ ✓ Mark Project Employees I completed Project Employees I Solve ↗ ✓ Mark Push Dominoes completed Push Dominoes Solve ↗ ✓ Mark Put Boxes Into the Warehouse I completed Put Boxes Into the Warehouse I Solve ↗ ✓ Mark Put Boxes Into the Warehouse II completed Put Boxes Into the Warehouse II Solve ↗ ✓ Mark Pyramid Transition Matrix completed Pyramid Transition Matrix Solve ↗ ✓ Mark Queries on Number of Points Inside a Circle completed Queries on Number of Points Inside a Circle Solve ↗ ✓ Mark Queries Quality and Percentage completed Queries Quality and Percentage Solve ↗ ✓ Mark Rabbits in Forest completed Rabbits in Forest Solve ↗ ✓ Mark Random Flip Matrix completed Random Flip Matrix Solve ↗ ✓ Mark Random Pick with Blacklist completed Random Pick with Blacklist Solve ↗ ✓ Mark Random Point in Non-overlapping Rectangles completed Random Point in Non-overlapping Rectangles Solve ↗ ✓ Mark Range Addition completed Range Addition Solve ↗ ✓ Mark Range Sum of BST completed Range Sum of BST Solve ↗ ✓ Mark Range Sum of Sorted Subarray Sums completed Range Sum of Sorted Subarray Sums Solve ↗ ✓ Mark Range Sum Query - Immutable completed Range Sum Query - Immutable Solve ↗ ✓ Mark Range Sum Query 2D - Immutable completed Range Sum Query 2D - Immutable Solve ↗ ✓ Mark Range Sum Query 2D - Mutable completed Range Sum Query 2D - Mutable Solve ↗ ✓ Mark Rank Scores completed Rank Scores Solve ↗ ✓ Mark Rank Teams by Votes completed Rank Teams by Votes Solve ↗ ✓ Mark Rank Transform of a Matrix completed Rank Transform of a Matrix Solve ↗ ✓ Mark Reaching Points completed Reaching Points Solve ↗ ✓ Mark Read N Characters Given read4 II - Call Multiple Times completed Read N Characters Given read4 II - Call Multiple Times Solve ↗ ✓ Mark Rearrange Spaces Between Words completed Rearrange Spaces Between Words Solve ↗ ✓ Mark Rearrange String k Distance Apart completed Rearrange String k Distance Apart Solve ↗ ✓ Mark Recover a Tree From Preorder Traversal completed Recover a Tree From Preorder Traversal Solve ↗ ✓ Mark Recover Binary Search Tree completed Recover Binary Search Tree Solve ↗ ✓ Mark Recover the Original Array completed Recover the Original Array Solve ↗ ✓ Mark Redundant Connection II completed Redundant Connection II Solve ↗ ✓ Mark Relative Sort Array completed Relative Sort Array Solve ↗ ✓ Mark Remove All Adjacent Duplicates In String completed Remove All Adjacent Duplicates In String Solve ↗ ✓ Mark Remove All Occurrences of a Substring completed Remove All Occurrences of a Substring Solve ↗ ✓ Mark Remove All Ones With Row and Column Flips completed Remove All Ones With Row and Column Flips Solve ↗ ✓ Mark Remove All Ones With Row and Column Flips II completed Remove All Ones With Row and Column Flips II Solve ↗ ✓ Mark Remove Duplicates from Sorted List II completed Remove Duplicates from Sorted List II Solve ↗ ✓ Mark Remove Interval completed Remove Interval Solve ↗ ✓ Mark Repeated DNA Sequences completed Repeated DNA Sequences Solve ↗ ✓ Mark Replace All Digits with Characters completed Replace All Digits with Characters Solve ↗ ✓ Mark Reschedule Meetings for Maximum Free Time I completed Reschedule Meetings for Maximum Free Time I Solve ↗ ✓ Mark Reschedule Meetings for Maximum Free Time II completed Reschedule Meetings for Maximum Free Time II Solve ↗ ✓ Mark Restore IP Addresses completed Restore IP Addresses Solve ↗ ✓ Mark Return Length of Arguments Passed completed Return Length of Arguments Passed Solve ↗ ✓ Mark Reveal Cards In Increasing Order completed Reveal Cards In Increasing Order Solve ↗ ✓ Mark Reverse Bits completed Reverse Bits Solve ↗ ✓ Mark Reverse Only Letters completed Reverse Only Letters Solve ↗ ✓ Mark Rings and Rods completed Rings and Rods Solve ↗ ✓ Mark RLE Iterator completed RLE Iterator Solve ↗ ✓ Mark Robot Return to Origin completed Robot Return to Origin Solve ↗ ✓ Mark Root Equals Sum of Children completed Root Equals Sum of Children Solve ↗ ✓ Mark Rotated Digits completed Rotated Digits Solve ↗ ✓ Mark Search in a Sorted Array of Unknown Size completed Search in a Sorted Array of Unknown Size Solve ↗ ✓ Mark Search Suggestions System completed Search Suggestions System Solve ↗ ✓ Mark Sentence Screen Fitting completed Sentence Screen Fitting Solve ↗ ✓ Mark Sentence Similarity completed Sentence Similarity Solve ↗ ✓ Mark Sentence Similarity II completed Sentence Similarity II Solve ↗ ✓ Mark Sentence Similarity III completed Sentence Similarity III Solve ↗ ✓ Mark Sequence Reconstruction completed Sequence Reconstruction Solve ↗ ✓ Mark Serialize and Deserialize N-ary Tree completed Serialize and Deserialize N-ary Tree Solve ↗ ✓ Mark Shifting Letters II completed Shifting Letters II Solve ↗ ✓ Mark Shopping Offers completed Shopping Offers Solve ↗ ✓ Mark Shortest Bridge completed Shortest Bridge Solve ↗ ✓ Mark Shortest Common Supersequence completed Shortest Common Supersequence Solve ↗ ✓ Mark Shortest Completing Word completed Shortest Completing Word Solve ↗ ✓ Mark Shortest Distance from All Buildings completed Shortest Distance from All Buildings Solve ↗ ✓ Mark Shortest Distance to Target Color completed Shortest Distance to Target Color Solve ↗ ✓ Mark Shortest Impossible Sequence of Rolls completed Shortest Impossible Sequence of Rolls Solve ↗ ✓ Mark Shortest Path to Get All Keys completed Shortest Path to Get All Keys Solve ↗ ✓ Mark Shortest Subarray with Sum at Least K completed Shortest Subarray with Sum at Least K Solve ↗ ✓ Mark Shortest Way to Form String completed Shortest Way to Form String Solve ↗ ✓ Mark Shuffle String completed Shuffle String Solve ↗ ✓ Mark Shuffle the Array completed Shuffle the Array Solve ↗ ✓ Mark Similar RGB Color completed Similar RGB Color Solve ↗ ✓ Mark Similar String Groups completed Similar String Groups Solve ↗ ✓ Mark Simplified Fractions completed Simplified Fractions Solve ↗ ✓ Mark Single Number III completed Single Number III Solve ↗ ✓ Mark Single-Row Keyboard completed Single-Row Keyboard Solve ↗ ✓ Mark Sleep completed Sleep Solve ↗ ✓ Mark Sliding Window Median completed Sliding Window Median Solve ↗ ✓ Mark Smallest Good Base completed Smallest Good Base Solve ↗ ✓ Mark Smallest Index With Equal Value completed Smallest Index With Equal Value Solve ↗ ✓ Mark Smallest Integer Divisible by K completed Smallest Integer Divisible by K Solve ↗ ✓ Mark Smallest Range Covering Elements from K Lists completed Smallest Range Covering Elements from K Lists Solve ↗ ✓ Mark Smallest Rectangle Enclosing Black Pixels completed Smallest Rectangle Enclosing Black Pixels Solve ↗ ✓ Mark Smallest String Starting From Leaf completed Smallest String Starting From Leaf Solve ↗ ✓ Mark Smallest Subsequence of Distinct Characters completed Smallest Subsequence of Distinct Characters Solve ↗ ✓ Mark Solving Questions With Brainpower completed Solving Questions With Brainpower Solve ↗ ✓ Mark Sort Array by Increasing Frequency completed Sort Array by Increasing Frequency Solve ↗ ✓ Mark Sort Array by Moving Items to Empty Space completed Sort Array by Moving Items to Empty Space Solve ↗ ✓ Mark Sort Array By Parity completed Sort Array By Parity Solve ↗ ✓ Mark Sort Integers by The Power Value completed Sort Integers by The Power Value Solve ↗ ✓ Mark Sort Transformed Array completed Sort Transformed Array Solve ↗ ✓ Mark Special Array I completed Special Array I Solve ↗ ✓ Mark Special Array With X Elements Greater Than or Equal X completed Special Array With X Elements Greater Than or Equal X Solve ↗ ✓ Mark Special Positions in a Binary Matrix completed Special Positions in a Binary Matrix Solve ↗ ✓ Mark Spiral Matrix II completed Spiral Matrix II Solve ↗ ✓ Mark Spiral Matrix III completed Spiral Matrix III Solve ↗ ✓ Mark Split a String Into the Max Number of Unique Substrings completed Split a String Into the Max Number of Unique Substrings Solve ↗ ✓ Mark Split Array into Consecutive Subsequences completed Split Array into Consecutive Subsequences Solve ↗ ✓ Mark Split Linked List in Parts completed Split Linked List in Parts Solve ↗ ✓ Mark Split Two Strings to Make Palindrome completed Split Two Strings to Make Palindrome Solve ↗ ✓ Mark Step-By-Step Directions From a Binary Tree Node to Another completed Step-By-Step Directions From a Binary Tree Node to Another Solve ↗ ✓ Mark Stock Price Fluctuation completed Stock Price Fluctuation Solve ↗ ✓ Mark Stone Game completed Stone Game Solve ↗ ✓ Mark Stone Game III completed Stone Game III Solve ↗ ✓ Mark Strange Printer II completed Strange Printer II Solve ↗ ✓ Mark Stream of Characters completed Stream of Characters Solve ↗ ✓ Mark String Compression III completed String Compression III Solve ↗ ✓ Mark String Transformation completed String Transformation Solve ↗ ✓ Mark String Transforms Into Another String completed String Transforms Into Another String Solve ↗ ✓ Mark Strobogrammatic Number completed Strobogrammatic Number Solve ↗ ✓ Mark Strobogrammatic Number II completed Strobogrammatic Number II Solve ↗ ✓ Mark Student Attendance Record I completed Student Attendance Record I Solve ↗ ✓ Mark Subarray Product Less Than K completed Subarray Product Less Than K Solve ↗ ✓ Mark Subarray Sums Divisible by K completed Subarray Sums Divisible by K Solve ↗ ✓ Mark Subarray With Elements Greater Than Varying Threshold completed Subarray With Elements Greater Than Varying Threshold Solve ↗ ✓ Mark Subtract the Product and Sum of Digits of an Integer completed Subtract the Product and Sum of Digits of an Integer Solve ↗ ✓ Mark Subtree of Another Tree completed Subtree of Another Tree Solve ↗ ✓ Mark Sum of Beauty of All Substrings completed Sum of Beauty of All Substrings Solve ↗ ✓ Mark Sum of Digit Differences of All Pairs completed Sum of Digit Differences of All Pairs Solve ↗ ✓ Mark Sum of Good Subsequences completed Sum of Good Subsequences Solve ↗ ✓ Mark Sum of Imbalance Numbers of All Subarrays completed Sum of Imbalance Numbers of All Subarrays Solve ↗ ✓ Mark Sum of Mutated Array Closest to Target completed Sum of Mutated Array Closest to Target Solve ↗ ✓ Mark Sum of Prefix Scores of Strings completed Sum of Prefix Scores of Strings Solve ↗ ✓ Mark Sum of Subarray Ranges completed Sum of Subarray Ranges Solve ↗ ✓ Mark Sum Root to Leaf Numbers completed Sum Root to Leaf Numbers Solve ↗ ✓ Mark Super Egg Drop completed Super Egg Drop Solve ↗ ✓ Mark Super Palindromes completed Super Palindromes Solve ↗ ✓ Mark Super Ugly Number completed Super Ugly Number Solve ↗ ✓ Mark Swapping Nodes in a Linked List completed Swapping Nodes in a Linked List Solve ↗ ✓ Mark Take Gifts From the Richest Pile completed Take Gifts From the Richest Pile Solve ↗ ✓ Mark The Earliest and Latest Rounds Where Players Compete completed The Earliest and Latest Rounds Where Players Compete Solve ↗ ✓ Mark The k Strongest Values in an Array completed The k Strongest Values in an Array Solve ↗ ✓ Mark The kth Factor of n completed The kth Factor of n Solve ↗ ✓ Mark The Maze completed The Maze Solve ↗ ✓ Mark The Maze II completed The Maze II Solve ↗ ✓ Mark The Most Similar Path in a Graph completed The Most Similar Path in a Graph Solve ↗ ✓ Mark The Number of Employees Which Report to Each Employee completed The Number of Employees Which Report to Each Employee Solve ↗ ✓ Mark The Number of the Smallest Unoccupied Chair completed The Number of the Smallest Unoccupied Chair Solve ↗ ✓ Mark The Number of Weak Characters in the Game completed The Number of Weak Characters in the Game Solve ↗ ✓ Mark Third Maximum Number completed Third Maximum Number Solve ↗ ✓ Mark Throne Inheritance completed Throne Inheritance Solve ↗ ✓ Mark Tiling a Rectangle with the Fewest Squares completed Tiling a Rectangle with the Fewest Squares Solve ↗ ✓ Mark Time Based Key-Value Store completed Time Based Key-Value Store Solve ↗ ✓ Mark Time Needed to Inform All Employees completed Time Needed to Inform All Employees Solve ↗ ✓ Mark Toeplitz Matrix completed Toeplitz Matrix Solve ↗ ✓ Mark Top Three Wineries completed Top Three Wineries Solve ↗ ✓ Mark Transform to Chessboard completed Transform to Chessboard Solve ↗ ✓ Mark Tree Diameter completed Tree Diameter Solve ↗ ✓ Mark Tree of Coprimes completed Tree of Coprimes Solve ↗ ✓ Mark Triangle Judgement completed Triangle Judgement Solve ↗ ✓ Mark Two Sum IV - Input is a BST completed Two Sum IV - Input is a BST Solve ↗ ✓ Mark Ugly Number completed Ugly Number Solve ↗ ✓ Mark Ugly Number II completed Ugly Number II Solve ↗ ✓ Mark Unique Binary Search Trees completed Unique Binary Search Trees Solve ↗ ✓ Mark Unique Binary Search Trees II completed Unique Binary Search Trees II Solve ↗ ✓ Mark Unique Email Addresses completed Unique Email Addresses Solve ↗ ✓ Mark Unique Paths II completed Unique Paths II Solve ↗ ✓ Mark Unique Word Abbreviation completed Unique Word Abbreviation Solve ↗ ✓ Mark UTF-8 Validation completed UTF-8 Validation Solve ↗ ✓ Mark Valid Boomerang completed Valid Boomerang Solve ↗ ✓ Mark Valid Mountain Array completed Valid Mountain Array Solve ↗ ✓ Mark Valid Number completed Valid Number Solve ↗ ✓ Mark Valid Parenthesis String completed Valid Parenthesis String Solve ↗ ✓ Mark Valid Perfect Square completed Valid Perfect Square Solve ↗ ✓ Mark Valid Triangle Number completed Valid Triangle Number Solve ↗ ✓ Mark Valid Word Abbreviation completed Valid Word Abbreviation Solve ↗ ✓ Mark Valid Word Square completed Valid Word Square Solve ↗ ✓ Mark Verify Preorder Serialization of a Binary Tree completed Verify Preorder Serialization of a Binary Tree Solve ↗ ✓ Mark Video Stitching completed Video Stitching Solve ↗ ✓ Mark Walls and Gates completed Walls and Gates Solve ↗ ✓ Mark Water and Jug Problem completed Water and Jug Problem Solve ↗ ✓ Mark Water Bottles completed Water Bottles Solve ↗ ✓ Mark Watering Plants completed Watering Plants Solve ↗ ✓ Mark Watering Plants II completed Watering Plants II Solve ↗ ✓ Mark Where Will the Ball Fall completed Where Will the Ball Fall Solve ↗ ✓ Mark Wiggle Sort completed Wiggle Sort Solve ↗ ✓ Mark Wiggle Sort II completed Wiggle Sort II Solve ↗ ✓ Mark Word Abbreviation completed Word Abbreviation Solve ↗ ✓ Mark Word Ladder II completed Word Ladder II Solve ↗ ✓ Mark Word Pattern completed Word Pattern Solve ↗ ✓ Mark Word Squares completed Word Squares Solve ↗ ✓ Mark Word Subsets completed Word Subsets Solve ↗ ✓ Mark Words Within Two Edits of Dictionary completed Words Within Two Edits of Dictionary Solve ↗ ✓ Mark X of a Kind in a Deck of Cards completed X of a Kind in a Deck of Cards Solve ↗ ✓ Mark XOR Queries of a Subarray completed XOR Queries of a Subarray Solve ↗ ✓ Mark Zero Array Transformation III completed Zero Array Transformation III Solve ↗ ✓ Mark Zigzag Iterator completed Zigzag Iterator Solve ↗ ✓ Mark 3Sum With Multiplicity completed 3Sum With Multiplicity Solve ↗ ✓ Mark 4Sum II completed 4Sum II Solve ↗ ✓ Mark A Number After a Double Reversal completed A Number After a Double Reversal Solve ↗ ✓ Mark Add One Row to Tree completed Add One Row to Tree Solve ↗ ✓ Mark Add to Array-Form of Integer completed Add to Array-Form of Integer Solve ↗ ✓ Mark Add Two Numbers II completed Add Two Numbers II Solve ↗ ✓ Mark Add Two Promises completed Add Two Promises Solve ↗ ✓ Mark Adding Spaces to a String completed Adding Spaces to a String Solve ↗ ✓ Mark Additive Number completed Additive Number Solve ↗ ✓ Mark Airplane Seat Assignment Probability completed Airplane Seat Assignment Probability Solve ↗ ✓ Mark All Paths From Source to Target completed All Paths From Source to Target Solve ↗ ✓ Mark Allow One Function Call completed Allow One Function Call Solve ↗ ✓ Mark Alternating Groups I completed Alternating Groups I Solve ↗ ✓ Mark Amount of Time for Binary Tree to Be Infected completed Amount of Time for Binary Tree to Be Infected Solve ↗ ✓ Mark Analyze User Website Visit Pattern completed Analyze User Website Visit Pattern Solve ↗ ✓ Mark Append Characters to String to Make Subsequence completed Append Characters to String to Make Subsequence Solve ↗ ✓ Mark Apply Operations to an Array completed Apply Operations to an Array Solve ↗ ✓ Mark Apply Operations to Make Two Strings Equal completed Apply Operations to Make Two Strings Equal Solve ↗ ✓ Mark Apply Operations to Maximize Score completed Apply Operations to Maximize Score Solve ↗ ✓ Mark Arithmetic Slices completed Arithmetic Slices Solve ↗ ✓ Mark Arithmetic Slices II - Subsequence completed Arithmetic Slices II - Subsequence Solve ↗ ✓ Mark Array Nesting completed Array Nesting Solve ↗ ✓ Mark Array Partition completed Array Partition Solve ↗ ✓ Mark Array Reduce Transformation completed Array Reduce Transformation Solve ↗ ✓ Mark Available Captures for Rook completed Available Captures for Rook Solve ↗ ✓ Mark Average of Levels in Binary Tree completed Average of Levels in Binary Tree Solve ↗ ✓ Mark Average Waiting Time completed Average Waiting Time Solve ↗ ✓ Mark Balance a Binary Search Tree completed Balance a Binary Search Tree Solve ↗ ✓ Mark Bank Account Summary II completed Bank Account Summary II Solve ↗ ✓ Mark Base 7 completed Base 7 Solve ↗ ✓ Mark Basic Calculator IV completed Basic Calculator IV Solve ↗ ✓ Mark Best Meeting Point completed Best Meeting Point Solve ↗ ✓ Mark Best Time to Buy and Sell Stock V completed Best Time to Buy and Sell Stock V Solve ↗ ✓ Mark Biggest Single Number completed Biggest Single Number Solve ↗ ✓ Mark Binary Search Tree to Greater Sum Tree completed Binary Search Tree to Greater Sum Tree Solve ↗ ✓ Mark Binary Tree Level Order Traversal II completed Binary Tree Level Order Traversal II Solve ↗ ✓ Mark Binary Trees With Factors completed Binary Trees With Factors Solve ↗ ✓ Mark Bitwise XOR of All Pairings completed Bitwise XOR of All Pairings Solve ↗ ✓ Mark Brick Wall completed Brick Wall Solve ↗ ✓ Mark Build Array Where You Can Find The Maximum Exactly K Comparisons completed Build Array Where You Can Find The Maximum Exactly K Comparisons Solve ↗ ✓ Mark Building H2O completed Building H2O Solve ↗ ✓ Mark Buildings With an Ocean View completed Buildings With an Ocean View Solve ↗ ✓ Mark Bulb Switcher completed Bulb Switcher Solve ↗ ✓ Mark Buy Two Chocolates completed Buy Two Chocolates Solve ↗ ✓ Mark Calculate Special Bonus completed Calculate Special Bonus Solve ↗ ✓ Mark Calculator with Method Chaining completed Calculator with Method Chaining Solve ↗ ✓ Mark Can I Win completed Can I Win Solve ↗ ✓ Mark Card Flipping Game completed Card Flipping Game Solve ↗ ✓ Mark Cells with Odd Values in a Matrix completed Cells with Odd Values in a Matrix Solve ↗ ✓ Mark Chalkboard XOR Game completed Chalkboard XOR Game Solve ↗ ✓ Mark Change Data Type completed Change Data Type Solve ↗ ✓ Mark Check Completeness of a Binary Tree completed Check Completeness of a Binary Tree Solve ↗ ✓ Mark Check if a Parentheses String Can Be Valid completed Check if a Parentheses String Can Be Valid Solve ↗ ✓ Mark Check If a Word Occurs As a Prefix of Any Word in a Sentence completed Check If a Word Occurs As a Prefix of Any Word in a Sentence Solve ↗ ✓ Mark Check if All Characters Have Equal Number of Occurrences completed Check if All Characters Have Equal Number of Occurrences Solve ↗ ✓ Mark Check If It Is a Good Array completed Check If It Is a Good Array Solve ↗ ✓ Mark Check if Matrix Is X-Matrix completed Check if Matrix Is X-Matrix Solve ↗ ✓ Mark Check if Object Instance of Class completed Check if Object Instance of Class Solve ↗ ✓ Mark Check if One String Swap Can Make Strings Equal completed Check if One String Swap Can Make Strings Equal Solve ↗ ✓ Mark Check if There is a Valid Partition For The Array completed Check if There is a Valid Partition For The Array Solve ↗ ✓ Mark Check If Two String Arrays are Equivalent completed Check If Two String Arrays are Equivalent Solve ↗ ✓ Mark Check Knight Tour Configuration completed Check Knight Tour Configuration Solve ↗ ✓ Mark Cherry Pickup completed Cherry Pickup Solve ↗ ✓ Mark Chunk Array completed Chunk Array Solve ↗ ✓ Mark Classes With at Least 5 Students completed Classes With at Least 5 Students Solve ↗ ✓ Mark Closest Node to Path in Tree completed Closest Node to Path in Tree Solve ↗ ✓ Mark Closest Prime Numbers in Range completed Closest Prime Numbers in Range Solve ↗ ✓ Mark Closest Subsequence Sum completed Closest Subsequence Sum Solve ↗ ✓ Mark Coloring A Border completed Coloring A Border Solve ↗ ✓ Mark Combination Sum III completed Combination Sum III Solve ↗ ✓ Mark Compare Version Numbers completed Compare Version Numbers Solve ↗ ✓ Mark Complement of Base 10 Integer completed Complement of Base 10 Integer Solve ↗ ✓ Mark Consecutive Numbers Sum completed Consecutive Numbers Sum Solve ↗ ✓ Mark Constrained Subsequence Sum completed Constrained Subsequence Sum Solve ↗ ✓ Mark Construct K Palindrome Strings completed Construct K Palindrome Strings Solve ↗ ✓ Mark Construct Quad Tree completed Construct Quad Tree Solve ↗ ✓ Mark Construct Smallest Number From DI String completed Construct Smallest Number From DI String Solve ↗ ✓ Mark Construct String With Repeat Limit completed Construct String With Repeat Limit Solve ↗ ✓ Mark Construct the Lexicographically Largest Valid Sequence completed Construct the Lexicographically Largest Valid Sequence Solve ↗ ✓ Mark Construct the Rectangle completed Construct the Rectangle Solve ↗ ✓ Mark Contain Virus completed Contain Virus Solve ↗ ✓ Mark Contains Duplicate III completed Contains Duplicate III Solve ↗ ✓ Mark Convert a Number to Hexadecimal completed Convert a Number to Hexadecimal Solve ↗ ✓ Mark Convert an Array Into a 2D Array With Conditions completed Convert an Array Into a 2D Array With Conditions Solve ↗ ✓ Mark Convert Binary Search Tree to Sorted Doubly Linked List completed Convert Binary Search Tree to Sorted Doubly Linked List Solve ↗ ✓ Mark Convert BST to Greater Tree completed Convert BST to Greater Tree Solve ↗ ✓ Mark Convert Date to Binary completed Convert Date to Binary Solve ↗ ✓ Mark Convert Sorted List to Binary Search Tree completed Convert Sorted List to Binary Search Tree Solve ↗ ✓ Mark Convert the Temperature completed Convert the Temperature Solve ↗ ✓ Mark Corporate Flight Bookings completed Corporate Flight Bookings Solve ↗ ✓ Mark Count All Valid Pickup and Delivery Options completed Count All Valid Pickup and Delivery Options Solve ↗ ✓ Mark Count Binary Substrings completed Count Binary Substrings Solve ↗ ✓ Mark Count Complete Subarrays in an Array completed Count Complete Subarrays in an Array Solve ↗ ✓ Mark Count Elements With Maximum Frequency completed Count Elements With Maximum Frequency Solve ↗ ✓ Mark Count Equal and Divisible Pairs in an Array completed Count Equal and Divisible Pairs in an Array Solve ↗ ✓ Mark Count Good Nodes in Binary Tree completed Count Good Nodes in Binary Tree Solve ↗ ✓ Mark Count Good Triplets in an Array completed Count Good Triplets in an Array Solve ↗ ✓ Mark Count Integers in Intervals completed Count Integers in Intervals Solve ↗ ✓ Mark Count Items Matching a Rule completed Count Items Matching a Rule Solve ↗ ✓ Mark Count Largest Group completed Count Largest Group Solve ↗ ✓ Mark Count Negative Numbers in a Sorted Matrix completed Count Negative Numbers in a Sorted Matrix Solve ↗ ✓ Mark Count Nice Pairs in an Array completed Count Nice Pairs in an Array Solve ↗ ✓ Mark Count Number of Balanced Permutations completed Count Number of Balanced Permutations Solve ↗ ✓ Mark Count Number of Homogenous Substrings completed Count Number of Homogenous Substrings Solve ↗ ✓ Mark Count Number of Maximum Bitwise-OR Subsets completed Count Number of Maximum Bitwise-OR Subsets Solve ↗ ✓ Mark Count Number of Pairs With Absolute Difference K completed Count Number of Pairs With Absolute Difference K Solve ↗ ✓ Mark Count Number of Possible Root Nodes completed Count Number of Possible Root Nodes Solve ↗ ✓ Mark Count Odd Numbers in an Interval Range completed Count Odd Numbers in an Interval Range Solve ↗ ✓ Mark Count of Interesting Subarrays completed Count of Interesting Subarrays Solve ↗ ✓ Mark Count Operations to Obtain Zero completed Count Operations to Obtain Zero Solve ↗ ✓ Mark Count Pairs That Form a Complete Day I completed Count Pairs That Form a Complete Day I Solve ↗ ✓ Mark Count Pairs That Form a Complete Day II completed Count Pairs That Form a Complete Day II Solve ↗ ✓ Mark Count Pairs Whose Sum is Less than Target completed Count Pairs Whose Sum is Less than Target Solve ↗ ✓ Mark Count Pairs With XOR in a Range completed Count Pairs With XOR in a Range Solve ↗ ✓ Mark Count Palindromic Subsequences completed Count Palindromic Subsequences Solve ↗ ✓ Mark Count Prefix and Suffix Pairs I completed Count Prefix and Suffix Pairs I Solve ↗ ✓ Mark Count Salary Categories completed Count Salary Categories Solve ↗ ✓ Mark Count Special Quadruplets completed Count Special Quadruplets Solve ↗ ✓ Mark Count Sub Islands completed Count Sub Islands Solve ↗ ✓ Mark Count Subarrays of Length Three With a Condition completed Count Subarrays of Length Three With a Condition Solve ↗ ✓ Mark Count Subarrays Where Max Element Appears at Least K Times completed Count Subarrays Where Max Element Appears at Least K Times Solve ↗ ✓ Mark Count Subarrays With Fixed Bounds completed Count Subarrays With Fixed Bounds Solve ↗ ✓ Mark Count Substrings That Satisfy K-Constraint I completed Count Substrings That Satisfy K-Constraint I Solve ↗ ✓ Mark Count Substrings With K-Frequency Characters I completed Count Substrings With K-Frequency Characters I Solve ↗ ✓ Mark Count Symmetric Integers completed Count Symmetric Integers Solve ↗ ✓ Mark Count the Digits That Divide a Number completed Count the Digits That Divide a Number Solve ↗ ✓ Mark Count the Hidden Sequences completed Count the Hidden Sequences Solve ↗ ✓ Mark Count the Number of Arrays with K Matching Adjacent Elements completed Count the Number of Arrays with K Matching Adjacent Elements Solve ↗ ✓ Mark Count the Number of Complete Components completed Count the Number of Complete Components Solve ↗ ✓ Mark Count the Number of Consistent Strings completed Count the Number of Consistent Strings Solve ↗ ✓ Mark Count the Number of Good Subarrays completed Count the Number of Good Subarrays Solve ↗ ✓ Mark Count the Number of Ideal Arrays completed Count the Number of Ideal Arrays Solve ↗ ✓ Mark Count the Number of Inversions completed Count the Number of Inversions Solve ↗ ✓ Mark Count the Number of Powerful Integers completed Count the Number of Powerful Integers Solve ↗ ✓ Mark Count the Number of Special Characters I completed Count the Number of Special Characters I Solve ↗ ✓ Mark Count the Number of Special Characters II completed Count the Number of Special Characters II Solve ↗ ✓ Mark Count the Number of Square-Free Subsets completed Count the Number of Square-Free Subsets Solve ↗ ✓ Mark Count The Repetitions completed Count The Repetitions Solve ↗ ✓ Mark Count Total Number of Colored Cells completed Count Total Number of Colored Cells Solve ↗ ✓ Mark Count Triplets That Can Form Two Arrays of Equal XOR completed Count Triplets That Can Form Two Arrays of Equal XOR Solve ↗ ✓ Mark Count Unguarded Cells in the Grid completed Count Unguarded Cells in the Grid Solve ↗ ✓ Mark Count Univalue Subtrees completed Count Univalue Subtrees Solve ↗ ✓ Mark Count Visited Nodes in a Directed Graph completed Count Visited Nodes in a Directed Graph Solve ↗ ✓ Mark Count Vowel Strings in Ranges completed Count Vowel Strings in Ranges Solve ↗ ✓ Mark Count Vowel Substrings of a String completed Count Vowel Substrings of a String Solve ↗ ✓ Mark Count Ways To Build Good Strings completed Count Ways To Build Good Strings Solve ↗ ✓ Mark Counter II completed Counter II Solve ↗ ✓ Mark Course Schedule IV completed Course Schedule IV Solve ↗ ✓ Mark Cousins in Binary Tree completed Cousins in Binary Tree Solve ↗ ✓ Mark Cousins in Binary Tree II completed Cousins in Binary Tree II Solve ↗ ✓ Mark Crawler Log Folder completed Crawler Log Folder Solve ↗ ✓ Mark Create Sorted Array through Instructions completed Create Sorted Array through Instructions Solve ↗ ✓ Mark Create Target Array in the Given Order completed Create Target Array in the Given Order Solve ↗ ✓ Mark Custom Sort String completed Custom Sort String Solve ↗ ✓ Mark Customer Placing the Largest Number of Orders completed Customer Placing the Largest Number of Orders Solve ↗ ✓ Mark Customers Who Bought All Products completed Customers Who Bought All Products Solve ↗ ✓ Mark Customers Who Never Order completed Customers Who Never Order Solve ↗ ✓ Mark Data Stream as Disjoint Intervals completed Data Stream as Disjoint Intervals Solve ↗ ✓ Mark Day of the Week completed Day of the Week Solve ↗ ✓ Mark Day of the Year completed Day of the Year Solve ↗ ✓ Mark Debounce completed Debounce Solve ↗ ✓ Mark Degree of an Array completed Degree of an Array Solve ↗ ✓ Mark Delete Characters to Make Fancy String completed Delete Characters to Make Fancy String Solve ↗ ✓ Mark Delete Duplicate Emails completed Delete Duplicate Emails Solve ↗ ✓ Mark Delete Duplicate Folders in System completed Delete Duplicate Folders in System Solve ↗ ✓ Mark Delete Greatest Value in Each Row completed Delete Greatest Value in Each Row Solve ↗ ✓ Mark Delete Leaves With a Given Value completed Delete Leaves With a Given Value Solve ↗ ✓ Mark Department Highest Salary completed Department Highest Salary Solve ↗ ✓ Mark Design a Food Rating System completed Design a Food Rating System Solve ↗ ✓ Mark Design an Ordered Stream completed Design an Ordered Stream Solve ↗ ✓ Mark Design Browser History completed Design Browser History Solve ↗ ✓ Mark Design Circular Deque completed Design Circular Deque Solve ↗ ✓ Mark Design Excel Sum Formula completed Design Excel Sum Formula Solve ↗ ✓ Mark Design File System completed Design File System Solve ↗ ✓ Mark Design HashSet completed Design HashSet Solve ↗ ✓ Mark Design In-Memory File System completed Design In-Memory File System Solve ↗ ✓ Mark Design Log Storage System completed Design Log Storage System Solve ↗ ✓ Mark Design Twitter completed Design Twitter Solve ↗ ✓ Mark Design Underground System completed Design Underground System Solve ↗ ✓ Mark Destination City completed Destination City Solve ↗ ✓ Mark Detect Cycles in 2D Grid completed Detect Cycles in 2D Grid Solve ↗ ✓ Mark Determine if String Halves Are Alike completed Determine if String Halves Are Alike Solve ↗ ✓ Mark Determine if Two Strings Are Close completed Determine if Two Strings Are Close Solve ↗ ✓ Mark Determine Whether Matrix Can Be Obtained By Rotation completed Determine Whether Matrix Can Be Obtained By Rotation Solve ↗ ✓ Mark Differences Between Two Objects completed Differences Between Two Objects Solve ↗ ✓ Mark Display the First Three Rows completed Display the First Three Rows Solve ↗ ✓ Mark Distinct Prime Factors of Product of Array completed Distinct Prime Factors of Product of Array Solve ↗ ✓ Mark Distinct Subsequences II completed Distinct Subsequences II Solve ↗ ✓ Mark Distribute Candies completed Distribute Candies Solve ↗ ✓ Mark Distribute Candies Among Children II completed Distribute Candies Among Children II Solve ↗ ✓ Mark Divide a String Into Groups of Size k completed Divide a String Into Groups of Size k Solve ↗ ✓ Mark Divide Array Into Equal Pairs completed Divide Array Into Equal Pairs Solve ↗ ✓ Mark Divide Intervals Into Minimum Number of Groups completed Divide Intervals Into Minimum Number of Groups Solve ↗ ✓ Mark Divide Nodes Into the Maximum Number of Groups completed Divide Nodes Into the Maximum Number of Groups Solve ↗ ✓ Mark Dot Product of Two Sparse Vectors completed Dot Product of Two Sparse Vectors Solve ↗ ✓ Mark Dota2 Senate completed Dota2 Senate Solve ↗ ✓ Mark Double a Number Represented as a Linked List completed Double a Number Represented as a Linked List Solve ↗ ✓ Mark Drop Duplicate Rows completed Drop Duplicate Rows Solve ↗ ✓ Mark Earliest Second to Mark Indices II completed Earliest Second to Mark Indices II Solve ↗ ✓ Mark Egg Drop With 2 Eggs and N Floors completed Egg Drop With 2 Eggs and N Floors Solve ↗ ✓ Mark Elimination Game completed Elimination Game Solve ↗ ✓ Mark Encrypt and Decrypt Strings completed Encrypt and Decrypt Strings Solve ↗ ✓ Mark Equal Rational Numbers completed Equal Rational Numbers Solve ↗ ✓ Mark Equal Row and Column Pairs completed Equal Row and Column Pairs Solve ↗ ✓ Mark Escape the Spreading Fire completed Escape the Spreading Fire Solve ↗ ✓ Mark Excel Sheet Column Number completed Excel Sheet Column Number Solve ↗ ✓ Mark Extra Characters in a String completed Extra Characters in a String Solve ↗ ✓ Mark Filter Elements from Array completed Filter Elements from Array Solve ↗ ✓ Mark Final Array State After K Multiplication Operations I completed Final Array State After K Multiplication Operations I Solve ↗ ✓ Mark Final Array State After K Multiplication Operations II completed Final Array State After K Multiplication Operations II Solve ↗ ✓ Mark Final Value of Variable After Performing Operations completed Final Value of Variable After Performing Operations Solve ↗ ✓ Mark Find a Safe Walk Through a Grid completed Find a Safe Walk Through a Grid Solve ↗ ✓ Mark Find All Good Strings completed Find All Good Strings Solve ↗ ✓ Mark Find All Groups of Farmland completed Find All Groups of Farmland Solve ↗ ✓ Mark Find Bottom Left Tree Value completed Find Bottom Left Tree Value Solve ↗ ✓ Mark Find Building Where Alice and Bob Can Meet completed Find Building Where Alice and Bob Can Meet Solve ↗ ✓ Mark Find Center of Star Graph completed Find Center of Star Graph Solve ↗ ✓ Mark Find Closest Node to Given Two Nodes completed Find Closest Node to Given Two Nodes Solve ↗ ✓ Mark Find Closest Number to Zero completed Find Closest Number to Zero Solve ↗ ✓ Mark Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree completed Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree Solve ↗ ✓ Mark Find Duplicate File in System completed Find Duplicate File in System Solve ↗ ✓ Mark Find First Palindromic String in the Array completed Find First Palindromic String in the Array Solve ↗ ✓ Mark Find Followers Count completed Find Followers Count Solve ↗ ✓ Mark Find Good Days to Rob the Bank completed Find Good Days to Rob the Bank Solve ↗ ✓ Mark Find Greatest Common Divisor of Array completed Find Greatest Common Divisor of Array Solve ↗ ✓ Mark Find if Array Can Be Sorted completed Find if Array Can Be Sorted Solve ↗ ✓ Mark Find Indices of Stable Mountains completed Find Indices of Stable Mountains Solve ↗ ✓ Mark Find Kth Bit in Nth Binary String completed Find Kth Bit in Nth Binary String Solve ↗ ✓ Mark Find Largest Value in Each Tree Row completed Find Largest Value in Each Tree Row Solve ↗ ✓ Mark Find Longest Awesome Substring completed Find Longest Awesome Substring Solve ↗ ✓ Mark Find Lucky Integer in an Array completed Find Lucky Integer in an Array Solve ↗ ✓ Mark Find Maximum Area of a Triangle completed Find Maximum Area of a Triangle Solve ↗ ✓ Mark Find Maximum Non-decreasing Array Length completed Find Maximum Non-decreasing Array Length Solve ↗ ✓ Mark Find Maximum Removals From Source String completed Find Maximum Removals From Source String Solve ↗ ✓ Mark Find Minimum Diameter After Merging Two Trees completed Find Minimum Diameter After Merging Two Trees Solve ↗ ✓ Mark Find Minimum Operations to Make All Elements Divisible by Three completed Find Minimum Operations to Make All Elements Divisible by Three Solve ↗ ✓ Mark Find Minimum Time to Reach Last Room II completed Find Minimum Time to Reach Last Room II Solve ↗ ✓ Mark Find Missing Observations completed Find Missing Observations Solve ↗ ✓ Mark Find Most Frequent Vowel and Consonant completed Find Most Frequent Vowel and Consonant Solve ↗ ✓ Mark Find Nearest Point That Has the Same X or Y Coordinate completed Find Nearest Point That Has the Same X or Y Coordinate Solve ↗ ✓ Mark Find Number of Coins to Place in Tree Nodes completed Find Number of Coins to Place in Tree Nodes Solve ↗ ✓ Mark Find Right Interval completed Find Right Interval Solve ↗ ✓ Mark Find Score of an Array After Marking All Elements completed Find Score of an Array After Marking All Elements Solve ↗ ✓ Mark Find Subsequence of Length K With the Largest Sum completed Find Subsequence of Length K With the Largest Sum Solve ↗ ✓ Mark Find the Celebrity completed Find the Celebrity Solve ↗ ✓ Mark Find the Child Who Has the Ball After K Seconds completed Find the Child Who Has the Ball After K Seconds Solve ↗ ✓ Mark Find the Count of Good Integers completed Find the Count of Good Integers Solve ↗ ✓ Mark Find the Count of Numbers Which Are Not Special completed Find the Count of Numbers Which Are Not Special Solve ↗ ✓ Mark Find the Distance Value Between Two Arrays completed Find the Distance Value Between Two Arrays Solve ↗ ✓ Mark Find the Divisibility Array of a String completed Find the Divisibility Array of a String Solve ↗ ✓ Mark Find the K-Sum of an Array completed Find the K-Sum of an Array Solve ↗ ✓ Mark Find the K-th Character in String Game II completed Find the K-th Character in String Game II Solve ↗ ✓ Mark Find the Key of the Numbers completed Find the Key of the Numbers Solve ↗ ✓ Mark Find the Kth Largest Integer in the Array completed Find the Kth Largest Integer in the Array Solve ↗ ✓ Mark Find the Largest Palindrome Divisible by K completed Find the Largest Palindrome Divisible by K Solve ↗ ✓ Mark Find the Length of the Longest Common Prefix completed Find the Length of the Longest Common Prefix Solve ↗ ✓ Mark Find the Lexicographically Largest String From the Box I completed Find the Lexicographically Largest String From the Box I Solve ↗ ✓ Mark Find the Longest Equal Subarray completed Find the Longest Equal Subarray Solve ↗ ✓ Mark Find the Longest Substring Containing Vowels in Even Counts completed Find the Longest Substring Containing Vowels in Even Counts Solve ↗ ✓ Mark Find the Maximum Sum of Node Values completed Find the Maximum Sum of Node Values Solve ↗ ✓ Mark Find the Middle Index in Array completed Find the Middle Index in Array Solve ↗ ✓ Mark Find the Minimum and Maximum Number of Nodes Between Critical Points completed Find the Minimum and Maximum Number of Nodes Between Critical Points Solve ↗ ✓ Mark Find the Minimum Cost Array Permutation completed Find the Minimum Cost Array Permutation Solve ↗ ✓ Mark Find the Number of Copy Arrays completed Find the Number of Copy Arrays Solve ↗ ✓ Mark Find the Number of Distinct Colors Among the Balls completed Find the Number of Distinct Colors Among the Balls Solve ↗ ✓ Mark Find the Number of Good Pairs I completed Find the Number of Good Pairs I Solve ↗ ✓ Mark Find the Occurrence of First Almost Equal Substring completed Find the Occurrence of First Almost Equal Substring Solve ↗ ✓ Mark Find the Original Typed String I completed Find the Original Typed String I Solve ↗ ✓ Mark Find the Pivot Integer completed Find the Pivot Integer Solve ↗ ✓ Mark Find the Power of K-Size Subarrays I completed Find the Power of K-Size Subarrays I Solve ↗ ✓ Mark Find the String with LCP completed Find the String with LCP Solve ↗ ✓ Mark Find the Student that Will Replace the Chalk completed Find the Student that Will Replace the Chalk Solve ↗ ✓ Mark Find the Sum of Subsequence Powers completed Find the Sum of Subsequence Powers Solve ↗ ✓ Mark Find the Sum of the Power of All Subsequences completed Find the Sum of the Power of All Subsequences Solve ↗ ✓ Mark Find the XOR of Numbers Which Appear Twice completed Find the XOR of Numbers Which Appear Twice Solve ↗ ✓ Mark Find Total Time Spent by Each Employee completed Find Total Time Spent by Each Employee Solve ↗ ✓ Mark Find Triangular Sum of an Array completed Find Triangular Sum of an Array Solve ↗ ✓ Mark Find Unique Binary String completed Find Unique Binary String Solve ↗ ✓ Mark Find Users With Valid E-Mails completed Find Users With Valid E-Mails Solve ↗ ✓ Mark Find Weighted Median Node in Tree completed Find Weighted Median Node in Tree Solve ↗ ✓ Mark Find Winner on a Tic Tac Toe Game completed Find Winner on a Tic Tac Toe Game Solve ↗ ✓ Mark Find Words Containing Character completed Find Words Containing Character Solve ↗ ✓ Mark Finding Pairs With a Certain Sum completed Finding Pairs With a Certain Sum Solve ↗ ✓ Mark First Completely Painted Row or Column completed First Completely Painted Row or Column Solve ↗ ✓ Mark Flatten a Multilevel Doubly Linked List completed Flatten a Multilevel Doubly Linked List Solve ↗ ✓ Mark Flip Columns For Maximum Number of Equal Rows completed Flip Columns For Maximum Number of Equal Rows Solve ↗ ✓ Mark Fraction Addition and Subtraction completed Fraction Addition and Subtraction Solve ↗ ✓ Mark Function Composition completed Function Composition Solve ↗ ✓ Mark Generate a String With Characters That Have Odd Counts completed Generate a String With Characters That Have Odd Counts Solve ↗ ✓ Mark Generate Binary Strings Without Adjacent Zeros completed Generate Binary Strings Without Adjacent Zeros Solve ↗ ✓ Mark Generate Fibonacci Sequence completed Generate Fibonacci Sequence Solve ↗ ✓ Mark Get the Maximum Score completed Get the Maximum Score Solve ↗ ✓ Mark Goal Parser Interpretation completed Goal Parser Interpretation Solve ↗ ✓ Mark Gray Code completed Gray Code Solve ↗ ✓ Mark Greatest Common Divisor Traversal completed Greatest Common Divisor Traversal Solve ↗ ✓ Mark Grid Game completed Grid Game Solve ↗ ✓ Mark Group Sold Products By The Date completed Group Sold Products By The Date Solve ↗ ✓ Mark Hamming Distance completed Hamming Distance Solve ↗ ✓ Mark Hash Divided String completed Hash Divided String Solve ↗ ✓ Mark Height Checker completed Height Checker Solve ↗ ✓ Mark HTML Entity Parser completed HTML Entity Parser Solve ↗ ✓ Mark Identify the Largest Outlier in an Array completed Identify the Largest Outlier in an Array Solve ↗ ✓ Mark Image Smoother completed Image Smoother Solve ↗ ✓ Mark Increasing Order Search Tree completed Increasing Order Search Tree Solve ↗ ✓ Mark Inorder Successor in BST completed Inorder Successor in BST Solve ↗ ✓ Mark Inorder Successor in BST II completed Inorder Successor in BST II Solve ↗ ✓ Mark Insert Delete GetRandom O(1) - Duplicates allowed completed Insert Delete GetRandom O(1) - Duplicates allowed Solve ↗ ✓ Mark Insert Greatest Common Divisors in Linked List completed Insert Greatest Common Divisors in Linked List Solve ↗ ✓ Mark Investments in 2016 completed Investments in 2016 Solve ↗ ✓ Mark Is Object Empty completed Is Object Empty Solve ↗ ✓ Mark Join Two Arrays by ID completed Join Two Arrays by ID Solve ↗ ✓ Mark Jump Game V completed Jump Game V Solve ↗ ✓ Mark Jump Game VI completed Jump Game VI Solve ↗ ✓ Mark K Inverse Pairs Array completed K Inverse Pairs Array Solve ↗ ✓ Mark K-th Largest Perfect Subtree Size in Binary Tree completed K-th Largest Perfect Subtree Size in Binary Tree Solve ↗ ✓ Mark K-th Nearest Obstacle Queries completed K-th Nearest Obstacle Queries Solve ↗ ✓ Mark K-th Smallest Prime Fraction completed K-th Smallest Prime Fraction Solve ↗ ✓ Mark Knight Probability in Chessboard completed Knight Probability in Chessboard Solve ↗ ✓ Mark Kth Distinct String in an Array completed Kth Distinct String in an Array Solve ↗ ✓ Mark Kth Largest Sum in a Binary Tree completed Kth Largest Sum in a Binary Tree Solve ↗ ✓ Mark Largest 3-Same-Digit Number in String completed Largest 3-Same-Digit Number in String Solve ↗ ✓ Mark Largest Combination With Bitwise AND Greater Than Zero completed Largest Combination With Bitwise AND Greater Than Zero Solve ↗ ✓ Mark Largest Perimeter Triangle completed Largest Perimeter Triangle Solve ↗ ✓ Mark Largest Positive Integer That Exists With Its Negative completed Largest Positive Integer That Exists With Its Negative Solve ↗ ✓ Mark Largest Time for Given Digits completed Largest Time for Given Digits Solve ↗ ✓ Mark Last Day Where You Can Still Cross completed Last Day Where You Can Still Cross Solve ↗ ✓ Mark Last Person to Fit in the Bus completed Last Person to Fit in the Bus Solve ↗ ✓ Mark Last Stone Weight II completed Last Stone Weight II Solve ↗ ✓ Mark Leaf-Similar Trees completed Leaf-Similar Trees Solve ↗ ✓ Mark Least Number of Unique Integers after K Removals completed Least Number of Unique Integers after K Removals Solve ↗ ✓ Mark Lemonade Change completed Lemonade Change Solve ↗ ✓ Mark Length of Longest Fibonacci Subsequence completed Length of Longest Fibonacci Subsequence Solve ↗ ✓ Mark Length of Longest Subarray With at Most K Frequency completed Length of Longest Subarray With at Most K Frequency Solve ↗ ✓ Mark Length of Longest V-Shaped Diagonal Segment completed Length of Longest V-Shaped Diagonal Segment Solve ↗ ✓ Mark Length of the Longest Subsequence That Sums to Target completed Length of the Longest Subsequence That Sums to Target Solve ↗ ✓ Mark Length of the Longest Valid Substring completed Length of the Longest Valid Substring Solve ↗ ✓ Mark Lexicographically Minimum String After Removing Stars completed Lexicographically Minimum String After Removing Stars Solve ↗ ✓ Mark Lexicographically Smallest Equivalent String completed Lexicographically Smallest Equivalent String Solve ↗ ✓ Mark Lexicographically Smallest Palindrome completed Lexicographically Smallest Palindrome Solve ↗ ✓ Mark Linked List in Binary Tree completed Linked List in Binary Tree Solve ↗ ✓ Mark Long Pressed Name completed Long Pressed Name Solve ↗ ✓ Mark Longest Continuous Increasing Subsequence completed Longest Continuous Increasing Subsequence Solve ↗ ✓ Mark Longest Cycle in a Graph completed Longest Cycle in a Graph Solve ↗ ✓ Mark Longest Happy String completed Longest Happy String Solve ↗ ✓ Mark Longest Ideal Subsequence completed Longest Ideal Subsequence Solve ↗ ✓ Mark Longest Nice Substring completed Longest Nice Substring Solve ↗ ✓ Mark Longest Non-decreasing Subarray From Two Arrays completed Longest Non-decreasing Subarray From Two Arrays Solve ↗ ✓ Mark Longest Palindrome After Substring Concatenation I completed Longest Palindrome After Substring Concatenation I Solve ↗ ✓ Mark Longest Palindrome by Concatenating Two Letter Words completed Longest Palindrome by Concatenating Two Letter Words Solve ↗ ✓ Mark Longest Path With Different Adjacent Characters completed Longest Path With Different Adjacent Characters Solve ↗ ✓ Mark Longest Repeating Substring completed Longest Repeating Substring Solve ↗ ✓ Mark Longest Special Path II completed Longest Special Path II Solve ↗ ✓ Mark Longest Square Streak in an Array completed Longest Square Streak in an Array Solve ↗ ✓ Mark Longest Strictly Increasing or Strictly Decreasing Subarray completed Longest Strictly Increasing or Strictly Decreasing Subarray Solve ↗ ✓ Mark Longest Subarray With Maximum Bitwise AND completed Longest Subarray With Maximum Bitwise AND Solve ↗ ✓ Mark Longest Subsequence Repeated k Times completed Longest Subsequence Repeated k Times Solve ↗ ✓ Mark Longest Subsequence With Decreasing Adjacent Difference completed Longest Subsequence With Decreasing Adjacent Difference Solve ↗ ✓ Mark Longest Subsequence With Limited Sum completed Longest Subsequence With Limited Sum Solve ↗ ✓ Mark Longest Word in Dictionary completed Longest Word in Dictionary Solve ↗ ✓ Mark Lowest Common Ancestor of a Binary Tree III completed Lowest Common Ancestor of a Binary Tree III Solve ↗ ✓ Mark Lowest Common Ancestor of Deepest Leaves completed Lowest Common Ancestor of Deepest Leaves Solve ↗ ✓ Mark Make Array Non-decreasing completed Make Array Non-decreasing Solve ↗ ✓ Mark Make Array Non-decreasing or Non-increasing completed Make Array Non-decreasing or Non-increasing Solve ↗ ✓ Mark Make Array Zero by Subtracting Equal Amounts completed Make Array Zero by Subtracting Equal Amounts Solve ↗ ✓ Mark Make Lexicographically Smallest Array by Swapping Elements completed Make Lexicographically Smallest Array by Swapping Elements Solve ↗ ✓ Mark Make Sum Divisible by P completed Make Sum Divisible by P Solve ↗ ✓ Mark Make the XOR of All Segments Equal to Zero completed Make the XOR of All Segments Equal to Zero Solve ↗ ✓ Mark Manhattan Distances of All Arrangements of Pieces completed Manhattan Distances of All Arrangements of Pieces Solve ↗ ✓ Mark Matchsticks to Square completed Matchsticks to Square Solve ↗ ✓ Mark Max Difference You Can Get From Changing an Integer completed Max Difference You Can Get From Changing an Integer Solve ↗ ✓ Mark Max Increase to Keep City Skyline completed Max Increase to Keep City Skyline Solve ↗ ✓ Mark Max Pair Sum in an Array completed Max Pair Sum in an Array Solve ↗ ✓ Mark Max Stack completed Max Stack Solve ↗ ✓ Mark Max Sum of a Pair With Equal Sum of Digits completed Max Sum of a Pair With Equal Sum of Digits Solve ↗ ✓ Mark Maximal Score After Applying K Operations completed Maximal Score After Applying K Operations Solve ↗ ✓ Mark Maximize Amount After Two Days of Conversions completed Maximize Amount After Two Days of Conversions Solve ↗ ✓ Mark Maximize Subarray Sum After Removing All Occurrences of One Element completed Maximize Subarray Sum After Removing All Occurrences of One Element Solve ↗ ✓ Mark Maximize Sum Of Array After K Negations completed Maximize Sum Of Array After K Negations Solve ↗ ✓ Mark Maximize the Confusion of an Exam completed Maximize the Confusion of an Exam Solve ↗ ✓ Mark Maximize the Number of Target Nodes After Connecting Trees I completed Maximize the Number of Target Nodes After Connecting Trees I Solve ↗ ✓ Mark Maximize the Number of Target Nodes After Connecting Trees II completed Maximize the Number of Target Nodes After Connecting Trees II Solve ↗ ✓ Mark Maximum Absolute Sum of Any Subarray completed Maximum Absolute Sum of Any Subarray Solve ↗ ✓ Mark Maximum Alternating Subsequence Sum completed Maximum Alternating Subsequence Sum Solve ↗ ✓ Mark Maximum Ascending Subarray Sum completed Maximum Ascending Subarray Sum Solve ↗ ✓ Mark Maximum Average Pass Ratio completed Maximum Average Pass Ratio Solve ↗ ✓ Mark Maximum Binary Tree completed Maximum Binary Tree Solve ↗ ✓ Mark Maximum Candies You Can Get from Boxes completed Maximum Candies You Can Get from Boxes Solve ↗ ✓ Mark Maximum Coins From K Consecutive Bags completed Maximum Coins From K Consecutive Bags Solve ↗ ✓ Mark Maximum Difference Between Adjacent Elements in a Circular Array completed Maximum Difference Between Adjacent Elements in a Circular Array Solve ↗ ✓ Mark Maximum Difference Between Even and Odd Frequency I completed Maximum Difference Between Even and Odd Frequency I Solve ↗ ✓ Mark Maximum Difference Between Even and Odd Frequency II completed Maximum Difference Between Even and Odd Frequency II Solve ↗ ✓ Mark Maximum Difference Between Increasing Elements completed Maximum Difference Between Increasing Elements Solve ↗ ✓ Mark Maximum Difference by Remapping a Digit completed Maximum Difference by Remapping a Digit Solve ↗ ✓ Mark Maximum Distance Between a Pair of Values completed Maximum Distance Between a Pair of Values Solve ↗ ✓ Mark Maximum Distance in Arrays completed Maximum Distance in Arrays Solve ↗ ✓ Mark Maximum Frequency After Subarray Operation completed Maximum Frequency After Subarray Operation Solve ↗ ✓ Mark Maximum Gap completed Maximum Gap Solve ↗ ✓ Mark Maximum Height by Stacking Cuboids completed Maximum Height by Stacking Cuboids Solve ↗ ✓ Mark Maximum Length of a Concatenated String with Unique Characters completed Maximum Length of a Concatenated String with Unique Characters Solve ↗ ✓ Mark Maximum Length of Pair Chain completed Maximum Length of Pair Chain Solve ↗ ✓ Mark Maximum Length of Repeated Subarray completed Maximum Length of Repeated Subarray Solve ↗ ✓ Mark Maximum Matching of Players With Trainers completed Maximum Matching of Players With Trainers Solve ↗ ✓ Mark Maximum Matrix Sum completed Maximum Matrix Sum Solve ↗ ✓ Mark Maximum Nesting Depth of the Parentheses completed Maximum Nesting Depth of the Parentheses Solve ↗ ✓ Mark Maximum Nesting Depth of Two Valid Parentheses Strings completed Maximum Nesting Depth of Two Valid Parentheses Strings Solve ↗ ✓ Mark Maximum Number of Accepted Invitations completed Maximum Number of Accepted Invitations Solve ↗ ✓ Mark Maximum Number of Fish in a Grid completed Maximum Number of Fish in a Grid Solve ↗ ✓ Mark Maximum Number of Moves in a Grid completed Maximum Number of Moves in a Grid Solve ↗ ✓ Mark Maximum Number of Moves to Kill All Pawns completed Maximum Number of Moves to Kill All Pawns Solve ↗ ✓ Mark Maximum Number of Operations With the Same Score I completed Maximum Number of Operations With the Same Score I Solve ↗ ✓ Mark Maximum Number of Points From Grid Queries completed Maximum Number of Points From Grid Queries Solve ↗ ✓ Mark Maximum Number of Tasks You Can Assign completed Maximum Number of Tasks You Can Assign Solve ↗ ✓ Mark Maximum Number of Visible Points completed Maximum Number of Visible Points Solve ↗ ✓ Mark Maximum Number of Vowels in a Substring of Given Length completed Maximum Number of Vowels in a Substring of Given Length Solve ↗ ✓ Mark Maximum Odd Binary Number completed Maximum Odd Binary Number Solve ↗ ✓ Mark Maximum of Absolute Value Expression completed Maximum of Absolute Value Expression Solve ↗ ✓ Mark Maximum Performance of a Team completed Maximum Performance of a Team Solve ↗ ✓ Mark Maximum Population Year completed Maximum Population Year Solve ↗ ✓ Mark Maximum Possible Number by Binary Concatenation completed Maximum Possible Number by Binary Concatenation Solve ↗ ✓ Mark Maximum Product After K Increments completed Maximum Product After K Increments Solve ↗ ✓ Mark Maximum Product Difference Between Two Pairs completed Maximum Product Difference Between Two Pairs Solve ↗ ✓ Mark Maximum Product of Three Numbers completed Maximum Product of Three Numbers Solve ↗ ✓ Mark Maximum Product of Two Digits completed Maximum Product of Two Digits Solve ↗ ✓ Mark Maximum Product of Two Elements in an Array completed Maximum Product of Two Elements in an Array Solve ↗ ✓ Mark Maximum Profit in Job Scheduling completed Maximum Profit in Job Scheduling Solve ↗ ✓ Mark Maximum Repeating Substring completed Maximum Repeating Substring Solve ↗ ✓ Mark Maximum Running Time of N Computers completed Maximum Running Time of N Computers Solve ↗ ✓ Mark Maximum Score Words Formed by Letters completed Maximum Score Words Formed by Letters Solve ↗ ✓ Mark Maximum Size Subarray Sum Equals k completed Maximum Size Subarray Sum Equals k Solve ↗ ✓ Mark Maximum Star Sum of a Graph completed Maximum Star Sum of a Graph Solve ↗ ✓ Mark Maximum Students Taking Exam completed Maximum Students Taking Exam Solve ↗ ✓ Mark Maximum Subarray Min-Product completed Maximum Subarray Min-Product Solve ↗ ✓ Mark Maximum Subarray Sum With Length Divisible by K completed Maximum Subarray Sum With Length Divisible by K Solve ↗ ✓ Mark Maximum Subarray Sum with One Deletion completed Maximum Subarray Sum with One Deletion Solve ↗ ✓ Mark Maximum Sum BST in Binary Tree completed Maximum Sum BST in Binary Tree Solve ↗ ✓ Mark Maximum Sum of Subsequence With Non-adjacent Elements completed Maximum Sum of Subsequence With Non-adjacent Elements Solve ↗ ✓ Mark Maximum Total Damage With Spell Casting completed Maximum Total Damage With Spell Casting Solve ↗ ✓ Mark Maximum Twin Sum of a Linked List completed Maximum Twin Sum of a Linked List Solve ↗ ✓ Mark Maximum Units on a Truck completed Maximum Units on a Truck Solve ↗ ✓ Mark Maximum Value at a Given Index in a Bounded Array completed Maximum Value at a Given Index in a Bounded Array Solve ↗ ✓ Mark Maximum Value of an Ordered Triplet I completed Maximum Value of an Ordered Triplet I Solve ↗ ✓ Mark Maximum XOR for Each Query completed Maximum XOR for Each Query Solve ↗ ✓ Mark Maximum XOR Score Subarray Queries completed Maximum XOR Score Subarray Queries Solve ↗ ✓ Mark Meeting Scheduler completed Meeting Scheduler Solve ↗ ✓ Mark Merge In Between Linked Lists completed Merge In Between Linked Lists Solve ↗ ✓ Mark Merge Nodes in Between Zeros completed Merge Nodes in Between Zeros Solve ↗ ✓ Mark Merge Operations for Minimum Travel Time completed Merge Operations for Minimum Travel Time Solve ↗ ✓ Mark Merge Two Binary Trees completed Merge Two Binary Trees Solve ↗ ✓ Mark Method Chaining completed Method Chaining Solve ↗ ✓ Mark Min Cost to Connect All Points completed Min Cost to Connect All Points Solve ↗ ✓ Mark Minesweeper completed Minesweeper Solve ↗ ✓ Mark Minimize Malware Spread completed Minimize Malware Spread Solve ↗ ✓ Mark Minimize Maximum Component Cost completed Minimize Maximum Component Cost Solve ↗ ✓ Mark Minimize the Maximum Edge Weight of Graph completed Minimize the Maximum Edge Weight of Graph Solve ↗ ✓ Mark Minimize the Maximum of Two Arrays completed Minimize the Maximum of Two Arrays Solve ↗ ✓ Mark Minimize XOR completed Minimize XOR Solve ↗ ✓ Mark Minimized Maximum of Products Distributed to Any Store completed Minimized Maximum of Products Distributed to Any Store Solve ↗ ✓ Mark Minimum Absolute Difference completed Minimum Absolute Difference Solve ↗ ✓ Mark Minimum Additions to Make Valid String completed Minimum Additions to Make Valid String Solve ↗ ✓ Mark Minimum Amount of Time to Fill Cups completed Minimum Amount of Time to Fill Cups Solve ↗ ✓ Mark Minimum Array Changes to Make Differences Equal completed Minimum Array Changes to Make Differences Equal Solve ↗ ✓ Mark Minimum Array End completed Minimum Array End Solve ↗ ✓ Mark Minimum Bit Flips to Convert Number completed Minimum Bit Flips to Convert Number Solve ↗ ✓ Mark Minimum Common Value completed Minimum Common Value Solve ↗ ✓ Mark Minimum Cost for Cutting Cake I completed Minimum Cost for Cutting Cake I Solve ↗ ✓ Mark Minimum Cost to Convert String I completed Minimum Cost to Convert String I Solve ↗ ✓ Mark Minimum Cost to Equalize Array completed Minimum Cost to Equalize Array Solve ↗ ✓ Mark Minimum Cost to Make Array Equal completed Minimum Cost to Make Array Equal Solve ↗ ✓ Mark Minimum Cost to Make Arrays Identical completed Minimum Cost to Make Arrays Identical Solve ↗ ✓ Mark Minimum Cost Tree From Leaf Values completed Minimum Cost Tree From Leaf Values Solve ↗ ✓ Mark Minimum Cost Walk in Weighted Graph completed Minimum Cost Walk in Weighted Graph Solve ↗ ✓ Mark Minimum Cuts to Divide a Circle completed Minimum Cuts to Divide a Circle Solve ↗ ✓ Mark Minimum Deletions to Make Character Frequencies Unique completed Minimum Deletions to Make Character Frequencies Unique Solve ↗ ✓ Mark Minimum Deletions to Make String K-Special completed Minimum Deletions to Make String K-Special Solve ↗ ✓ Mark Minimum Difference Between Highest and Lowest of K Scores completed Minimum Difference Between Highest and Lowest of K Scores Solve ↗ ✓ Mark Minimum Difference in Sums After Removal of Elements completed Minimum Difference in Sums After Removal of Elements Solve ↗ ✓ Mark Minimum Division Operations to Make Array Non Decreasing completed Minimum Division Operations to Make Array Non Decreasing Solve ↗ ✓ Mark Minimum Edge Reversals So Every Node Is Reachable completed Minimum Edge Reversals So Every Node Is Reachable Solve ↗ ✓ Mark Minimum Equal Sum of Two Arrays After Replacing Zeros completed Minimum Equal Sum of Two Arrays After Replacing Zeros Solve ↗ ✓ Mark Minimum Fuel Cost to Report to the Capital completed Minimum Fuel Cost to Report to the Capital Solve ↗ ✓ Mark Minimum Genetic Mutation completed Minimum Genetic Mutation Solve ↗ ✓ Mark Minimum Increments to Equalize Leaf Paths completed Minimum Increments to Equalize Leaf Paths Solve ↗ ✓ Mark Minimum Index of a Valid Split completed Minimum Index of a Valid Split Solve ↗ ✓ Mark Minimum Initial Energy to Finish Tasks completed Minimum Initial Energy to Finish Tasks Solve ↗ ✓ Mark Minimum Insertion Steps to Make a String Palindrome completed Minimum Insertion Steps to Make a String Palindrome Solve ↗ ✓ Mark Minimum Insertions to Balance a Parentheses String completed Minimum Insertions to Balance a Parentheses String Solve ↗ ✓ Mark Minimum Moves to Convert String completed Minimum Moves to Convert String Solve ↗ ✓ Mark Minimum Moves to Equal Array Elements completed Minimum Moves to Equal Array Elements Solve ↗ ✓ Mark Minimum Moves to Equal Array Elements II completed Minimum Moves to Equal Array Elements II Solve ↗ ✓ Mark Minimum Moves to Spread Stones Over Grid completed Minimum Moves to Spread Stones Over Grid Solve ↗ ✓ Mark Minimum Number Game completed Minimum Number Game Solve ↗ ✓ Mark Minimum Number of Arrows to Burst Balloons completed Minimum Number of Arrows to Burst Balloons Solve ↗ ✓ Mark Minimum Number of Changes to Make Binary String Beautiful completed Minimum Number of Changes to Make Binary String Beautiful Solve ↗ ✓ Mark Minimum Number of Days to Disconnect Island completed Minimum Number of Days to Disconnect Island Solve ↗ ✓ Mark Minimum Number of Flips to Convert Binary Matrix to Zero Matrix completed Minimum Number of Flips to Convert Binary Matrix to Zero Matrix Solve ↗ ✓ Mark Minimum Number of Moves to Seat Everyone completed Minimum Number of Moves to Seat Everyone Solve ↗ ✓ Mark Minimum Number of Operations to Make Array Continuous completed Minimum Number of Operations to Make Array Continuous Solve ↗ ✓ Mark Minimum Number of Operations to Make Array Empty completed Minimum Number of Operations to Make Array Empty Solve ↗ ✓ Mark Minimum Number of Operations to Make Elements in Array Distinct completed Minimum Number of Operations to Make Elements in Array Distinct Solve ↗ ✓ Mark Minimum Number of Operations to Sort a Binary Tree by Level completed Minimum Number of Operations to Sort a Binary Tree by Level Solve ↗ ✓ Mark Minimum Number of Pushes to Type Word I completed Minimum Number of Pushes to Type Word I Solve ↗ ✓ Mark Minimum Number of Refueling Stops completed Minimum Number of Refueling Stops Solve ↗ ✓ Mark Minimum Number of Removals to Make Mountain Array completed Minimum Number of Removals to Make Mountain Array Solve ↗ ✓ Mark Minimum Number of Steps to Make Two Strings Anagram completed Minimum Number of Steps to Make Two Strings Anagram Solve ↗ ✓ Mark Minimum Number of Taps to Open to Water a Garden completed Minimum Number of Taps to Open to Water a Garden Solve ↗ ✓ Mark Minimum Operations to Exceed Threshold Value II completed Minimum Operations to Exceed Threshold Value II Solve ↗ ✓ Mark Minimum Operations to Make a Uni-Value Grid completed Minimum Operations to Make a Uni-Value Grid Solve ↗ ✓ Mark Minimum Operations to Make Array Equal to Target completed Minimum Operations to Make Array Equal to Target Solve ↗ ✓ Mark Minimum Operations to Make Array Values Equal to K completed Minimum Operations to Make Array Values Equal to K Solve ↗ ✓ Mark Minimum Operations to Make Character Frequencies Equal completed Minimum Operations to Make Character Frequencies Equal Solve ↗ ✓ Mark Minimum Operations to Make the Array Increasing completed Minimum Operations to Make the Array Increasing Solve ↗ ✓ Mark Minimum Operations to Reduce an Integer to 0 completed Minimum Operations to Reduce an Integer to 0 Solve ↗ ✓ Mark Minimum Pair Removal to Sort Array I completed Minimum Pair Removal to Sort Array I Solve ↗ ✓ Mark Minimum Penalty for a Shop completed Minimum Penalty for a Shop Solve ↗ ✓ Mark Minimum Recolors to Get K Consecutive Black Blocks completed Minimum Recolors to Get K Consecutive Black Blocks Solve ↗ ✓ Mark Minimum Replacements to Sort the Array completed Minimum Replacements to Sort the Array Solve ↗ ✓ Mark Minimum Score of a Path Between Two Cities completed Minimum Score of a Path Between Two Cities Solve ↗ ✓ Mark Minimum Score Triangulation of Polygon completed Minimum Score Triangulation of Polygon Solve ↗ ✓ Mark Minimum Sideway Jumps completed Minimum Sideway Jumps Solve ↗ ✓ Mark Minimum String Length After Removing Substrings completed Minimum String Length After Removing Substrings Solve ↗ ✓ Mark Minimum Swaps to Group All 1's Together II completed Minimum Swaps to Group All 1's Together II Solve ↗ ✓ Mark Minimum Swaps To Make Sequences Increasing completed Minimum Swaps To Make Sequences Increasing Solve ↗ ✓ Mark Minimum Swaps to Make Strings Equal completed Minimum Swaps to Make Strings Equal Solve ↗ ✓ Mark Minimum Swaps to Sort by Digit Sum completed Minimum Swaps to Sort by Digit Sum Solve ↗ ✓ Mark Minimum Time to Collect All Apples in a Tree completed Minimum Time to Collect All Apples in a Tree Solve ↗ ✓ Mark Minimum Time to Complete All Tasks completed Minimum Time to Complete All Tasks Solve ↗ ✓ Mark Minimum Time to Complete Trips completed Minimum Time to Complete Trips Solve ↗ ✓ Mark Minimum Time to Make Rope Colorful completed Minimum Time to Make Rope Colorful Solve ↗ ✓ Mark Minimum Time Visiting All Points completed Minimum Time Visiting All Points Solve ↗ ✓ Mark Minimum Total Distance Traveled completed Minimum Total Distance Traveled Solve ↗ ✓ Mark Minimum Value to Get Positive Step by Step Sum completed Minimum Value to Get Positive Step by Step Sum Solve ↗ ✓ Mark Mirror Reflection completed Mirror Reflection Solve ↗ ✓ Mark Missing Element in Sorted Array completed Missing Element in Sorted Array Solve ↗ ✓ Mark Modify Graph Edge Weights completed Modify Graph Edge Weights Solve ↗ ✓ Mark Monotonic Array completed Monotonic Array Solve ↗ ✓ Mark Most Beautiful Item for Each Query completed Most Beautiful Item for Each Query Solve ↗ ✓ Mark Most Common Word completed Most Common Word Solve ↗ ✓ Mark Most Frequent Even Element completed Most Frequent Even Element Solve ↗ ✓ Mark Most Profit Assigning Work completed Most Profit Assigning Work Solve ↗ ✓ Mark Most Profitable Path in a Tree completed Most Profitable Path in a Tree Solve ↗ ✓ Mark Movement of Robots completed Movement of Robots Solve ↗ ✓ Mark Movie Rating completed Movie Rating Solve ↗ ✓ Mark N-ary Tree Level Order Traversal completed N-ary Tree Level Order Traversal Solve ↗ ✓ Mark N-ary Tree Postorder Traversal completed N-ary Tree Postorder Traversal Solve ↗ ✓ Mark N-ary Tree Preorder Traversal completed N-ary Tree Preorder Traversal Solve ↗ ✓ Mark N-Repeated Element in Size 2N Array completed N-Repeated Element in Size 2N Array Solve ↗ ✓ Mark N-th Tribonacci Number completed N-th Tribonacci Number Solve ↗ ✓ Mark Naming a Company completed Naming a Company Solve ↗ ✓ Mark Nearest Exit from Entrance in Maze completed Nearest Exit from Entrance in Maze Solve ↗ ✓ Mark Neighboring Bitwise XOR completed Neighboring Bitwise XOR Solve ↗ ✓ Mark Nested List Weight Sum completed Nested List Weight Sum Solve ↗ ✓ Mark Nested List Weight Sum II completed Nested List Weight Sum II Solve ↗ ✓ Mark Next Greater Element III completed Next Greater Element III Solve ↗ ✓ Mark Next Greater Node In Linked List completed Next Greater Node In Linked List Solve ↗ ✓ Mark Non-decreasing Subsequences completed Non-decreasing Subsequences Solve ↗ ✓ Mark Nth Magical Number completed Nth Magical Number Solve ↗ ✓ Mark Number Complement completed Number Complement Solve ↗ ✓ Mark Number of Arithmetic Triplets completed Number of Arithmetic Triplets Solve ↗ ✓ Mark Number of Calls Between Two Persons completed Number of Calls Between Two Persons Solve ↗ ✓ Mark Number of Common Factors completed Number of Common Factors Solve ↗ ✓ Mark Number of Days Between Two Dates completed Number of Days Between Two Dates Solve ↗ ✓ Mark Number of Dice Rolls With Target Sum completed Number of Dice Rolls With Target Sum Solve ↗ ✓ Mark Number of Distinct Islands completed Number of Distinct Islands Solve ↗ ✓ Mark Number of Distinct Islands II completed Number of Distinct Islands II Solve ↗ ✓ Mark Number of Lines To Write String completed Number of Lines To Write String Solve ↗ ✓ Mark Number of Longest Increasing Subsequence completed Number of Longest Increasing Subsequence Solve ↗ ✓ Mark Number of Music Playlists completed Number of Music Playlists Solve ↗ ✓ Mark Number of Operations to Make Network Connected completed Number of Operations to Make Network Connected Solve ↗ ✓ Mark Number of Segments in a String completed Number of Segments in a String Solve ↗ ✓ Mark Number of Senior Citizens completed Number of Senior Citizens Solve ↗ ✓ Mark Number of Squareful Arrays completed Number of Squareful Arrays Solve ↗ ✓ Mark Number of Steps to Reduce a Number in Binary Representation to One completed Number of Steps to Reduce a Number in Binary Representation to One Solve ↗ ✓ Mark Number of Steps to Reduce a Number to Zero completed Number of Steps to Reduce a Number to Zero Solve ↗ ✓ Mark Number of Sub-arrays With Odd Sum completed Number of Sub-arrays With Odd Sum Solve ↗ ✓ Mark Number of Subarrays That Match a Pattern I completed Number of Subarrays That Match a Pattern I Solve ↗ ✓ Mark Number of Subarrays with Bounded Maximum completed Number of Subarrays with Bounded Maximum Solve ↗ ✓ Mark Number of Submatrices That Sum to Target completed Number of Submatrices That Sum to Target Solve ↗ ✓ Mark Number of Unique Subjects Taught by Each Teacher completed Number of Unique Subjects Taught by Each Teacher Solve ↗ ✓ Mark Numbers With Same Consecutive Differences completed Numbers With Same Consecutive Differences Solve ↗ ✓ Mark One Edit Distance completed One Edit Distance Solve ↗ ✓ Mark Open the Lock completed Open the Lock Solve ↗ ✓ Mark Optimal Partition of String completed Optimal Partition of String Solve ↗ ✓ Mark Paint House completed Paint House Solve ↗ ✓ Mark Painting the Walls completed Painting the Walls Solve ↗ ✓ Mark Pairs of Songs With Total Durations Divisible by 60 completed Pairs of Songs With Total Durations Divisible by 60 Solve ↗ ✓ Mark Parse Lisp Expression completed Parse Lisp Expression Solve ↗ ✓ Mark Partition Array Such That Maximum Difference Is K completed Partition Array Such That Maximum Difference Is K Solve ↗ ✓ Mark Partition Labels completed Partition Labels Solve ↗ ✓ Mark Partition String Into Minimum Beautiful Substrings completed Partition String Into Minimum Beautiful Substrings Solve ↗ ✓ Mark Partition String Into Substrings With Values at Most K completed Partition String Into Substrings With Values at Most K Solve ↗ ✓ Mark Partition to K Equal Sum Subsets completed Partition to K Equal Sum Subsets Solve ↗ ✓ Mark Path Crossing completed Path Crossing Solve ↗ ✓ Mark Path Sum II completed Path Sum II Solve ↗ ✓ Mark Patients With a Condition completed Patients With a Condition Solve ↗ ✓ Mark Perfect Number completed Perfect Number Solve ↗ ✓ Mark Permutation Difference between Two Strings completed Permutation Difference between Two Strings Solve ↗ ✓ Mark Plates Between Candles completed Plates Between Candles Solve ↗ ✓ Mark Poor Pigs completed Poor Pigs Solve ↗ ✓ Mark Populating Next Right Pointers in Each Node II completed Populating Next Right Pointers in Each Node II Solve ↗ ✓ Mark Possible Bipartition completed Possible Bipartition Solve ↗ ✓ Mark Prefix and Suffix Search completed Prefix and Suffix Search Solve ↗ ✓ Mark Primary Department for Each Employee completed Primary Department for Each Employee Solve ↗ ✓ Mark Prime In Diagonal completed Prime In Diagonal Solve ↗ ✓ Mark Prime Palindrome completed Prime Palindrome Solve ↗ ✓ Mark Process Tasks Using Servers completed Process Tasks Using Servers Solve ↗ ✓ Mark Product Sales Analysis III completed Product Sales Analysis III Solve ↗ ✓ Mark Projection Area of 3D Shapes completed Projection Area of 3D Shapes Solve ↗ ✓ Mark Put Marbles in Bags completed Put Marbles in Bags Solve ↗ ✓ Mark Random Pick Index completed Random Pick Index Solve ↗ ✓ Mark Range Sum Query - Mutable completed Range Sum Query - Mutable Solve ↗ ✓ Mark Reach a Number completed Reach a Number Solve ↗ ✓ Mark Reach End of Array With Max Score completed Reach End of Array With Max Score Solve ↗ ✓ Mark Reachable Nodes In Subdivided Graph completed Reachable Nodes In Subdivided Graph Solve ↗ ✓ Mark Read N Characters Given Read4 completed Read N Characters Given Read4 Solve ↗ ✓ Mark Reconstruct Original Digits from English completed Reconstruct Original Digits from English Solve ↗ ✓ Mark Rectangle Area completed Rectangle Area Solve ↗ ✓ Mark Rectangle Area II completed Rectangle Area II Solve ↗ ✓ Mark Rectangle Overlap completed Rectangle Overlap Solve ↗ ✓ Mark Reducing Dishes completed Reducing Dishes Solve ↗ ✓ Mark Reformat Department Table completed Reformat Department Table Solve ↗ ✓ Mark Remove All Adjacent Duplicates in String II completed Remove All Adjacent Duplicates in String II Solve ↗ ✓ Mark Remove Boxes completed Remove Boxes Solve ↗ ✓ Mark Remove Comments completed Remove Comments Solve ↗ ✓ Mark Remove Digit From Number to Maximize Result completed Remove Digit From Number to Maximize Result Solve ↗ ✓ Mark Remove Invalid Parentheses completed Remove Invalid Parentheses Solve ↗ ✓ Mark Remove Letter To Equalize Frequency completed Remove Letter To Equalize Frequency Solve ↗ ✓ Mark Remove Max Number of Edges to Keep Graph Fully Traversable completed Remove Max Number of Edges to Keep Graph Fully Traversable Solve ↗ ✓ Mark Remove Nodes From Linked List completed Remove Nodes From Linked List Solve ↗ ✓ Mark Remove One Element to Make the Array Strictly Increasing completed Remove One Element to Make the Array Strictly Increasing Solve ↗ ✓ Mark Remove Zero Sum Consecutive Nodes from Linked List completed Remove Zero Sum Consecutive Nodes from Linked List Solve ↗ ✓ Mark Removing Stars From a String completed Removing Stars From a String Solve ↗ ✓ Mark Replace Elements with Greatest Element on Right Side completed Replace Elements with Greatest Element on Right Side Solve ↗ ✓ Mark Replace Words completed Replace Words Solve ↗ ✓ Mark Reshape Data: Concatenate completed Reshape Data: Concatenate Solve ↗ ✓ Mark Restore The Array completed Restore The Array Solve ↗ ✓ Mark Restore the Array From Adjacent Pairs completed Restore the Array From Adjacent Pairs Solve ↗ ✓ Mark Reverse Odd Levels of Binary Tree completed Reverse Odd Levels of Binary Tree Solve ↗ ✓ Mark Reverse Prefix of Word completed Reverse Prefix of Word Solve ↗ ✓ Mark Reverse Substrings Between Each Pair of Parentheses completed Reverse Substrings Between Each Pair of Parentheses Solve ↗ ✓ Mark Reverse Words in a String III completed Reverse Words in a String III Solve ↗ ✓ Mark Right Triangles completed Right Triangles Solve ↗ ✓ Mark Robot Bounded In Circle completed Robot Bounded In Circle Solve ↗ ✓ Mark Robot Collisions completed Robot Collisions Solve ↗ ✓ Mark Rotate Function completed Rotate Function Solve ↗ ✓ Mark Rotating the Box completed Rotating the Box Solve ↗ ✓ Mark Row With Maximum Ones completed Row With Maximum Ones Solve ↗ ✓ Mark Satisfiability of Equality Equations completed Satisfiability of Equality Equations Solve ↗ ✓ Mark Score After Flipping Matrix completed Score After Flipping Matrix Solve ↗ ✓ Mark Score of Parentheses completed Score of Parentheses Solve ↗ ✓ Mark Scramble String completed Scramble String Solve ↗ ✓ Mark Search in a Binary Search Tree completed Search in a Binary Search Tree Solve ↗ ✓ Mark Seat Reservation Manager completed Seat Reservation Manager Solve ↗ ✓ Mark Second Minimum Time to Reach Destination completed Second Minimum Time to Reach Destination Solve ↗ ✓ Mark Select Data completed Select Data Solve ↗ ✓ Mark Self Dividing Numbers completed Self Dividing Numbers Solve ↗ ✓ Mark Separate Black and White Balls completed Separate Black and White Balls Solve ↗ ✓ Mark Separate Squares II completed Separate Squares II Solve ↗ ✓ Mark Sequential Digits completed Sequential Digits Solve ↗ ✓ Mark Serialize and Deserialize BST completed Serialize and Deserialize BST Solve ↗ ✓ Mark Set Mismatch completed Set Mismatch Solve ↗ ✓ Mark Shift Distance Between Two Strings completed Shift Distance Between Two Strings Solve ↗ ✓ Mark Shifting Letters completed Shifting Letters Solve ↗ ✓ Mark Shortest Distance After Road Addition Queries I completed Shortest Distance After Road Addition Queries I Solve ↗ ✓ Mark Shortest Distance to a Character completed Shortest Distance to a Character Solve ↗ ✓ Mark Shortest Path to Get Food completed Shortest Path to Get Food Solve ↗ ✓ Mark Shortest String That Contains Three Strings completed Shortest String That Contains Three Strings Solve ↗ ✓ Mark Shortest Subarray to be Removed to Make Array Sorted completed Shortest Subarray to be Removed to Make Array Sorted Solve ↗ ✓ Mark Shortest Subarray With OR at Least K II completed Shortest Subarray With OR at Least K II Solve ↗ ✓ Mark Shortest Word Distance II completed Shortest Word Distance II Solve ↗ ✓ Mark Shuffle an Array completed Shuffle an Array Solve ↗ ✓ Mark Simple Bank System completed Simple Bank System Solve ↗ ✓ Mark Sliding Puzzle completed Sliding Puzzle Solve ↗ ✓ Mark Smallest Even Multiple completed Smallest Even Multiple Solve ↗ ✓ Mark Smallest Number in Infinite Set completed Smallest Number in Infinite Set Solve ↗ ✓ Mark Smallest Number With All Set Bits completed Smallest Number With All Set Bits Solve ↗ ✓ Mark Smallest String With Swaps completed Smallest String With Swaps Solve ↗ ✓ Mark Smallest Substring With Identical Characters I completed Smallest Substring With Identical Characters I Solve ↗ ✓ Mark Smallest Sufficient Team completed Smallest Sufficient Team Solve ↗ ✓ Mark Snake in Matrix completed Snake in Matrix Solve ↗ ✓ Mark Sort Array By Parity II completed Sort Array By Parity II Solve ↗ ✓ Mark Sort By completed Sort By Solve ↗ ✓ Mark Sort Integers by The Number of 1 Bits completed Sort Integers by The Number of 1 Bits Solve ↗ ✓ Mark Sort Items by Groups Respecting Dependencies completed Sort Items by Groups Respecting Dependencies Solve ↗ ✓ Mark Sort the Jumbled Numbers completed Sort the Jumbled Numbers Solve ↗ ✓ Mark Sort the People completed Sort the People Solve ↗ ✓ Mark Sort Vowels in a String completed Sort Vowels in a String Solve ↗ ✓ Mark Sorted GCD Pair Queries completed Sorted GCD Pair Queries Solve ↗ ✓ Mark Sorting the Sentence completed Sorting the Sentence Solve ↗ ✓ Mark Sparse Matrix Multiplication completed Sparse Matrix Multiplication Solve ↗ ✓ Mark Special Array II completed Special Array II Solve ↗ ✓ Mark Special Binary String completed Special Binary String Solve ↗ ✓ Mark Spiral Matrix IV completed Spiral Matrix IV Solve ↗ ✓ Mark Split a String in Balanced Strings completed Split a String in Balanced Strings Solve ↗ ✓ Mark Split Array into Fibonacci Sequence completed Split Array into Fibonacci Sequence Solve ↗ ✓ Mark Split the Array completed Split the Array Solve ↗ ✓ Mark Split With Minimum Sum completed Split With Minimum Sum Solve ↗ ✓ Mark Steps to Make Array Non-decreasing completed Steps to Make Array Non-decreasing Solve ↗ ✓ Mark Stickers to Spell Word completed Stickers to Spell Word Solve ↗ ✓ Mark Stone Game II completed Stone Game II Solve ↗ ✓ Mark Stone Game IX completed Stone Game IX Solve ↗ ✓ Mark Stone Game V completed Stone Game V Solve ↗ ✓ Mark Stone Game VII completed Stone Game VII Solve ↗ ✓ Mark Strange Printer completed Strange Printer Solve ↗ ✓ Mark Strictly Palindromic Number completed Strictly Palindromic Number Solve ↗ ✓ Mark String Compression II completed String Compression II Solve ↗ ✓ Mark String Matching in an Array completed String Matching in an Array Solve ↗ ✓ Mark String Without AAA or BBB completed String Without AAA or BBB Solve ↗ ✓ Mark Strong Password Checker completed Strong Password Checker Solve ↗ ✓ Mark Subdomain Visit Count completed Subdomain Visit Count Solve ↗ ✓ Mark Subrectangle Queries completed Subrectangle Queries Solve ↗ ✓ Mark Sum of Absolute Differences in a Sorted Array completed Sum of Absolute Differences in a Sorted Array Solve ↗ ✓ Mark Sum of All Odd Length Subarrays completed Sum of All Odd Length Subarrays Solve ↗ ✓ Mark Sum of All Subset XOR Totals completed Sum of All Subset XOR Totals Solve ↗ ✓ Mark Sum of Digits of String After Convert completed Sum of Digits of String After Convert Solve ↗ ✓ Mark Sum of Distances completed Sum of Distances Solve ↗ ✓ Mark Sum of Good Numbers completed Sum of Good Numbers Solve ↗ ✓ Mark Sum of k-Mirror Numbers completed Sum of k-Mirror Numbers Solve ↗ ✓ Mark Sum of Left Leaves completed Sum of Left Leaves Solve ↗ ✓ Mark Sum of Unique Elements completed Sum of Unique Elements Solve ↗ ✓ Mark Super Pow completed Super Pow Solve ↗ ✓ Mark Super Washing Machines completed Super Washing Machines Solve ↗ ✓ Mark Surface Area of 3D Shapes completed Surface Area of 3D Shapes Solve ↗ ✓ Mark Swap For Longest Repeated Character Substring completed Swap For Longest Repeated Character Substring Solve ↗ ✓ Mark Take K of Each Character From Left and Right completed Take K of Each Character From Left and Right Solve ↗ ✓ Mark Taking Maximum Energy From the Mystic Dungeon completed Taking Maximum Energy From the Mystic Dungeon Solve ↗ ✓ Mark Teemo Attacking completed Teemo Attacking Solve ↗ ✓ Mark Tenth Line completed Tenth Line Solve ↗ ✓ Mark The K Weakest Rows in a Matrix completed The K Weakest Rows in a Matrix Solve ↗ ✓ Mark The k-th Lexicographical String of All Happy Strings of Length n completed The k-th Lexicographical String of All Happy Strings of Length n Solve ↗ ✓ Mark The Latest Login in 2020 completed The Latest Login in 2020 Solve ↗ ✓ Mark The Maze III completed The Maze III Solve ↗ ✓ Mark The Number of Beautiful Subsets completed The Number of Beautiful Subsets Solve ↗ ✓ Mark The Number of Good Subsets completed The Number of Good Subsets Solve ↗ ✓ Mark Three Consecutive Odds completed Three Consecutive Odds Solve ↗ ✓ Mark Three Divisors completed Three Divisors Solve ↗ ✓ Mark Time Needed to Buy Tickets completed Time Needed to Buy Tickets Solve ↗ ✓ Mark Time Needed to Rearrange a Binary String completed Time Needed to Rearrange a Binary String Solve ↗ ✓ Mark To Lower Case completed To Lower Case Solve ↗ ✓ Mark Top Travellers completed Top Travellers Solve ↗ ✓ Mark Total Appeal of A String completed Total Appeal of A String Solve ↗ ✓ Mark Total Characters in String After Transformations I completed Total Characters in String After Transformations I Solve ↗ ✓ Mark Total Characters in String After Transformations II completed Total Characters in String After Transformations II Solve ↗ ✓ Mark Tree Node completed Tree Node Solve ↗ ✓ Mark Trips and Users completed Trips and Users Solve ↗ ✓ Mark Tweet Counts Per Frequency completed Tweet Counts Per Frequency Solve ↗ ✓ Mark Two Best Non-Overlapping Events completed Two Best Non-Overlapping Events Solve ↗ ✓ Mark Two City Scheduling completed Two City Scheduling Solve ↗ ✓ Mark Two Furthest Houses With Different Colors completed Two Furthest Houses With Different Colors Solve ↗ ✓ Mark Uncommon Words from Two Sentences completed Uncommon Words from Two Sentences Solve ↗ ✓ Mark Uncrossed Lines completed Uncrossed Lines Solve ↗ ✓ Mark Unique 3-Digit Even Numbers completed Unique 3-Digit Even Numbers Solve ↗ ✓ Mark Unique Paths III completed Unique Paths III Solve ↗ ✓ Mark Unique Substrings in Wraparound String completed Unique Substrings in Wraparound String Solve ↗ ✓ Mark Univalued Binary Tree completed Univalued Binary Tree Solve ↗ ✓ Mark User Activity for the Past 30 Days I completed User Activity for the Past 30 Days I Solve ↗ ✓ Mark Valid Phone Numbers completed Valid Phone Numbers Solve ↗ ✓ Mark Valid Square completed Valid Square Solve ↗ ✓ Mark Valid Word completed Valid Word Solve ↗ ✓ Mark Validate Binary Tree Nodes completed Validate Binary Tree Nodes Solve ↗ ✓ Mark Validate IP Address completed Validate IP Address Solve ↗ ✓ Mark Validate Stack Sequences completed Validate Stack Sequences Solve ↗ ✓ Mark Verbal Arithmetic Puzzle completed Verbal Arithmetic Puzzle Solve ↗ ✓ Mark Verifying an Alien Dictionary completed Verifying an Alien Dictionary Solve ↗ ✓ Mark Walking Robot Simulation completed Walking Robot Simulation Solve ↗ ✓ Mark Walking Robot Simulation II completed Walking Robot Simulation II Solve ↗ ✓ Mark Ways to Express an Integer as Sum of Powers completed Ways to Express an Integer as Sum of Powers Solve ↗ ✓ Mark Ways to Split Array Into Three Subarrays completed Ways to Split Array Into Three Subarrays Solve ↗ ✓ Mark Web Crawler Multithreaded completed Web Crawler Multithreaded Solve ↗ ✓ Mark Widest Vertical Area Between Two Points Containing No Points completed Widest Vertical Area Between Two Points Containing No Points Solve ↗ ✓ Mark Word Frequency completed Word Frequency Solve ↗ ✓ Mark Zero Array Transformation IV completed Zero Array Transformation IV Solve ↗