✓ Mark Two Sum completed Two Sum Solve ↗ ✓ Mark LRU Cache completed LRU Cache 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 Container With Most Water completed Container With Most Water Solve ↗ ✓ Mark Koko Eating Bananas completed Koko Eating Bananas 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 Minimum Time to Complete All Deliveries completed Minimum Time to Complete All Deliveries Solve ↗ ✓ Mark Number of Islands completed Number of Islands Solve ↗ ✓ Mark Trapping Rain Water completed Trapping Rain Water Solve ↗ ✓ Mark Avoid Flood in The City completed Avoid Flood in The City Solve ↗ ✓ Mark Binary Tree Maximum Path Sum completed Binary Tree Maximum Path Sum Solve ↗ ✓ Mark Climbing Stairs completed Climbing Stairs Solve ↗ ✓ Mark Combine Two Tables completed Combine Two Tables Solve ↗ ✓ Mark Copy List with Random Pointer completed Copy List with Random Pointer Solve ↗ ✓ Mark Find Peak Element completed Find Peak Element Solve ↗ ✓ Mark First Missing Positive completed First Missing Positive Solve ↗ ✓ Mark Group Anagrams completed Group Anagrams Solve ↗ ✓ Mark Letter Combinations of a Phone Number completed Letter Combinations of a Phone Number Solve ↗ ✓ Mark Longest Consecutive Sequence completed Longest Consecutive Sequence Solve ↗ ✓ Mark Majority Element completed Majority Element Solve ↗ ✓ Mark Maximum Subarray completed Maximum Subarray Solve ↗ ✓ Mark Median of Two Sorted Arrays completed Median of Two Sorted Arrays Solve ↗ ✓ Mark Merge Intervals completed Merge Intervals Solve ↗ ✓ Mark Merge Two Sorted Lists completed Merge Two Sorted Lists Solve ↗ ✓ Mark N-Queens completed N-Queens Solve ↗ ✓ Mark Next Permutation completed Next Permutation Solve ↗ ✓ Mark Palindrome Number completed Palindrome Number Solve ↗ ✓ Mark Remove Duplicates from Sorted Array completed Remove Duplicates from Sorted Array Solve ↗ ✓ Mark Reorganize String completed Reorganize String Solve ↗ ✓ Mark Roman to Integer completed Roman to Integer Solve ↗ ✓ Mark Rotate Array completed Rotate Array Solve ↗ ✓ Mark Search in Rotated Sorted Array completed Search in Rotated Sorted Array Solve ↗ ✓ Mark Single Element in a Sorted Array completed Single Element in a Sorted Array Solve ↗ ✓ Mark Subarray Sum Equals K completed Subarray Sum Equals K Solve ↗ ✓ Mark Top K Frequent Elements completed Top K Frequent Elements Solve ↗ ✓ Mark Valid Parentheses completed Valid Parentheses Solve ↗ ✓ Mark Word Search completed Word Search Solve ↗ ✓ Mark Add Binary completed Add Binary Solve ↗ ✓ Mark Balanced Binary Tree completed Balanced Binary Tree Solve ↗ ✓ Mark Binary Tree Level Order Traversal completed Binary Tree Level Order Traversal Solve ↗ ✓ Mark Coin Change completed Coin Change Solve ↗ ✓ Mark Confirmation Rate completed Confirmation Rate Solve ↗ ✓ Mark Contains Duplicate completed Contains Duplicate Solve ↗ ✓ Mark Course Schedule completed Course Schedule Solve ↗ ✓ Mark Course Schedule II completed Course Schedule II Solve ↗ ✓ Mark Create Hello World Function completed Create Hello World Function Solve ↗ ✓ Mark Daily Temperatures completed Daily Temperatures Solve ↗ ✓ Mark Diameter of Binary Tree completed Diameter of Binary Tree Solve ↗ ✓ Mark Edit Distance completed Edit Distance Solve ↗ ✓ Mark Employees Earning More Than Their Managers completed Employees Earning More Than Their Managers Solve ↗ ✓ Mark Evaluate Division completed Evaluate Division 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 First Unique Character in a String completed First Unique Character in a String Solve ↗ ✓ Mark Flood Fill completed Flood Fill Solve ↗ ✓ Mark Fruit Into Baskets completed Fruit Into Baskets Solve ↗ ✓ Mark Gas Station completed Gas Station Solve ↗ ✓ Mark Generate Parentheses completed Generate Parentheses Solve ↗ ✓ Mark House Robber completed House Robber Solve ↗ ✓ Mark Insert Delete GetRandom O(1) completed Insert Delete GetRandom O(1) Solve ↗ ✓ Mark Kth Largest Element in an Array completed Kth Largest Element in an Array Solve ↗ ✓ Mark Largest Number completed Largest Number Solve ↗ ✓ Mark Largest Rectangle in Histogram completed Largest Rectangle in Histogram Solve ↗ ✓ Mark Lowest Common Ancestor of a Binary Tree completed Lowest Common Ancestor of a Binary Tree Solve ↗ ✓ Mark Managers with at Least 5 Direct Reports completed Managers with at Least 5 Direct Reports Solve ↗ ✓ Mark Maximum Depth of Binary Tree completed Maximum Depth of Binary Tree Solve ↗ ✓ Mark Meeting Rooms II completed Meeting Rooms II Solve ↗ ✓ Mark Merge k Sorted Lists completed Merge k Sorted Lists Solve ↗ ✓ Mark Merge Sorted Array completed Merge Sorted Array Solve ↗ ✓ Mark Min Stack completed Min Stack Solve ↗ ✓ Mark Minimum Window Substring completed Minimum Window Substring Solve ↗ ✓ Mark Next Greater Element I completed Next Greater Element I Solve ↗ ✓ Mark Next Greater Element II completed Next Greater Element II Solve ↗ ✓ Mark Pacific Atlantic Water Flow completed Pacific Atlantic Water Flow Solve ↗ ✓ Mark Partition Equal Subset Sum completed Partition Equal Subset Sum Solve ↗ ✓ Mark Pascal's Triangle completed Pascal's Triangle Solve ↗ ✓ Mark Populating Next Right Pointers in Each Node completed Populating Next Right Pointers in Each Node Solve ↗ ✓ Mark Product of Array Except Self completed Product of Array Except Self Solve ↗ ✓ Mark Recyclable and Low Fat Products completed Recyclable and Low Fat Products Solve ↗ ✓ Mark Regular Expression Matching completed Regular Expression Matching Solve ↗ ✓ Mark Remove Element completed Remove Element Solve ↗ ✓ Mark Reverse Linked List completed Reverse Linked List Solve ↗ ✓ Mark Reverse Nodes in k-Group completed Reverse Nodes in k-Group Solve ↗ ✓ Mark Rotate List completed Rotate List Solve ↗ ✓ Mark Rotate String completed Rotate String Solve ↗ ✓ Mark Rotting Oranges completed Rotting Oranges Solve ↗ ✓ Mark Serialize and Deserialize Binary Tree completed Serialize and Deserialize Binary Tree Solve ↗ ✓ Mark Single Number completed Single Number Solve ↗ ✓ Mark Sliding Window Maximum completed Sliding Window Maximum Solve ↗ ✓ Mark Spiral Matrix completed Spiral Matrix Solve ↗ ✓ Mark String Compression completed String Compression Solve ↗ ✓ Mark Subsets completed Subsets Solve ↗ ✓ Mark Trapping Rain Water II completed Trapping Rain Water II Solve ↗ ✓ Mark Valid Sudoku completed Valid Sudoku Solve ↗ ✓ Mark Valid Triangle Number completed Valid Triangle Number Solve ↗ ✓ Mark Word Ladder completed Word Ladder Solve ↗ ✓ Mark Word Search II completed Word Search II Solve ↗ ✓ Mark 4Sum completed 4Sum Solve ↗ ✓ Mark Add Two Numbers II completed Add Two Numbers II 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 Analyze User Website Visit Pattern completed Analyze User Website Visit Pattern Solve ↗ ✓ Mark Array Partition completed Array Partition Solve ↗ ✓ Mark Article Views I completed Article Views I Solve ↗ ✓ Mark Assign Cookies completed Assign Cookies Solve ↗ ✓ Mark Basic Calculator II completed Basic Calculator II Solve ↗ ✓ Mark Best Time to Buy and Sell Stock II completed Best Time to Buy and Sell Stock II Solve ↗ ✓ Mark Binary Search completed Binary Search Solve ↗ ✓ Mark Binary Tree Inorder Traversal completed Binary Tree Inorder Traversal Solve ↗ ✓ Mark Binary Tree Right Side View completed Binary Tree Right Side View Solve ↗ ✓ Mark Binary Tree Zigzag Level Order Traversal completed Binary Tree Zigzag Level Order Traversal Solve ↗ ✓ Mark Burst Balloons completed Burst Balloons Solve ↗ ✓ Mark Candy completed Candy Solve ↗ ✓ Mark Capacity To Ship Packages Within D Days completed Capacity To Ship Packages Within D Days Solve ↗ ✓ Mark Cheapest Flights Within K Stops completed Cheapest Flights Within K Stops Solve ↗ ✓ Mark Consecutive Numbers completed Consecutive Numbers Solve ↗ ✓ Mark Contiguous Array completed Contiguous Array Solve ↗ ✓ Mark Convert Integer to the Sum of Two No-Zero Integers completed Convert Integer to the Sum of Two No-Zero Integers Solve ↗ ✓ Mark Count and Say completed Count and Say Solve ↗ ✓ Mark Count Bowl Subarrays completed Count Bowl Subarrays Solve ↗ ✓ Mark Count Elements With Maximum Frequency completed Count Elements With Maximum Frequency Solve ↗ ✓ Mark Count Number of Rectangles Containing Each Point completed Count Number of Rectangles Containing Each Point Solve ↗ ✓ Mark Count Subarrays With Median K completed Count Subarrays With Median K Solve ↗ ✓ Mark Critical Connections in a Network completed Critical Connections in a Network Solve ↗ ✓ Mark Decode String completed Decode String Solve ↗ ✓ Mark Delete Duplicate Emails completed Delete Duplicate Emails 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 Circular Queue completed Design Circular Queue Solve ↗ ✓ Mark Diagonal Traverse completed Diagonal Traverse Solve ↗ ✓ Mark Distribute Coins in Binary Tree completed Distribute Coins in Binary Tree Solve ↗ ✓ Mark Dungeon Game completed Dungeon Game Solve ↗ ✓ Mark Exclusive Time of Functions completed Exclusive Time of Functions Solve ↗ ✓ Mark Find K Pairs with Smallest Sums completed Find K Pairs with Smallest Sums Solve ↗ ✓ Mark Find the Difference completed Find the Difference Solve ↗ ✓ Mark Find the Duplicate Number completed Find the Duplicate Number 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 Find the Minimum Amount of Time to Brew Potions completed Find the Minimum Amount of Time to Brew Potions Solve ↗ ✓ Mark Find the Number of Ways to Place People I completed Find the Number of Ways to Place People I Solve ↗ ✓ Mark Find Triangular Sum of an Array completed Find Triangular Sum of an Array Solve ↗ ✓ Mark Find X-Sum of All K-Long Subarrays I completed Find X-Sum of All K-Long Subarrays I Solve ↗ ✓ Mark Fizz Buzz completed Fizz Buzz 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 Furthest Building You Can Reach completed Furthest Building You Can Reach Solve ↗ ✓ Mark Game of Life completed Game of Life Solve ↗ ✓ Mark Happy Number completed Happy Number Solve ↗ ✓ Mark House Robber III completed House Robber III Solve ↗ ✓ Mark Immediate Food Delivery II completed Immediate Food Delivery II Solve ↗ ✓ Mark Integer to English Words completed Integer to English Words Solve ↗ ✓ Mark Intersection of Two Arrays completed Intersection of Two Arrays Solve ↗ ✓ Mark Is Subsequence completed Is Subsequence Solve ↗ ✓ Mark Isomorphic Strings completed Isomorphic Strings Solve ↗ ✓ Mark Jump Game completed Jump Game Solve ↗ ✓ Mark Jump Game II completed Jump Game II Solve ↗ ✓ Mark Lexicographically Smallest Permutation Greater Than Target completed Lexicographically Smallest Permutation Greater Than Target Solve ↗ ✓ Mark LFU Cache completed LFU Cache 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 Lowest Common Ancestor of a Binary Search Tree completed Lowest Common Ancestor of a Binary Search Tree Solve ↗ ✓ Mark Majority Element II completed Majority Element II Solve ↗ ✓ Mark Make Array Elements Equal to Zero completed Make Array Elements Equal to Zero Solve ↗ ✓ Mark Max Consecutive Ones completed Max Consecutive Ones Solve ↗ ✓ Mark Maximum Average Subarray I completed Maximum Average Subarray I Solve ↗ ✓ Mark Maximum Number of Distinct Elements After Operations completed Maximum Number of Distinct Elements After Operations 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 Profit in Job Scheduling completed Maximum Profit in Job Scheduling Solve ↗ ✓ Mark Maximum Total Damage With Spell Casting completed Maximum Total Damage With Spell Casting Solve ↗ ✓ Mark Maximum Units on a Truck completed Maximum Units on a Truck Solve ↗ ✓ Mark Maximum Width of Binary Tree completed Maximum Width of Binary Tree Solve ↗ ✓ Mark Merge Strings Alternately completed Merge Strings Alternately Solve ↗ ✓ Mark Minimum Add to Make Parentheses Valid completed Minimum Add to Make Parentheses Valid Solve ↗ ✓ Mark Minimum Number of People to Teach completed Minimum Number of People to Teach Solve ↗ ✓ Mark Minimum Operations to Make the Integer Zero completed Minimum Operations to Make the Integer Zero Solve ↗ ✓ Mark Missing Number completed Missing Number Solve ↗ ✓ Mark Most Stones Removed with Same Row or Column completed Most Stones Removed with Same Row or Column Solve ↗ ✓ Mark Move Zeroes completed Move Zeroes Solve ↗ ✓ Mark Non-overlapping Intervals completed Non-overlapping Intervals Solve ↗ ✓ Mark Nth Highest Salary completed Nth Highest Salary Solve ↗ ✓ Mark Number of People Aware of a Secret completed Number of People Aware of a Secret Solve ↗ ✓ Mark Odd Even Linked List completed Odd Even Linked List Solve ↗ ✓ Mark Online Stock Span completed Online Stock Span Solve ↗ ✓ Mark Palindrome Partitioning II completed Palindrome Partitioning II Solve ↗ ✓ Mark Palindromic Substrings completed Palindromic Substrings Solve ↗ ✓ Mark Peak Index in a Mountain Array completed Peak Index in a Mountain Array Solve ↗ ✓ Mark Permutation in String completed Permutation in String Solve ↗ ✓ Mark Permutations II completed Permutations II Solve ↗ ✓ Mark Power of Two completed Power of Two Solve ↗ ✓ Mark Predict the Winner completed Predict the Winner Solve ↗ ✓ Mark Ransom Note completed Ransom Note Solve ↗ ✓ Mark Recover Binary Search Tree completed Recover Binary Search Tree Solve ↗ ✓ Mark Repeated Substring Pattern completed Repeated Substring Pattern Solve ↗ ✓ Mark Reverse Integer completed Reverse Integer Solve ↗ ✓ Mark Reverse Linked List II completed Reverse Linked List II Solve ↗ ✓ Mark Rising Temperature completed Rising Temperature Solve ↗ ✓ Mark Rotate Image completed Rotate Image Solve ↗ ✓ Mark Running Sum of 1d Array completed Running Sum of 1d Array Solve ↗ ✓ Mark Same Tree completed Same Tree Solve ↗ ✓ Mark Search a 2D Matrix completed Search a 2D Matrix Solve ↗ ✓ Mark Search in Rotated Sorted Array II completed Search in Rotated Sorted Array II Solve ↗ ✓ Mark Search Insert Position completed Search Insert Position Solve ↗ ✓ Mark Second Highest Salary completed Second Highest Salary Solve ↗ ✓ Mark Set Matrix Zeroes completed Set Matrix Zeroes Solve ↗ ✓ Mark Smallest Missing Non-negative Integer After Operations completed Smallest Missing Non-negative Integer After Operations Solve ↗ ✓ Mark Sort Colors completed Sort Colors Solve ↗ ✓ Mark Split Array Largest Sum completed Split Array Largest Sum Solve ↗ ✓ Mark Sqrt(x) completed Sqrt(x) Solve ↗ ✓ Mark String to Integer (atoi) completed String to Integer (atoi) Solve ↗ ✓ Mark Subarray Product Less Than K completed Subarray Product Less Than K Solve ↗ ✓ Mark Subarrays with K Different Integers completed Subarrays with K Different Integers Solve ↗ ✓ Mark Successful Pairs of Spells and Potions completed Successful Pairs of Spells and Potions Solve ↗ ✓ Mark Sudoku Solver completed Sudoku Solver Solve ↗ ✓ Mark Sum of Subarray Minimums completed Sum of Subarray Minimums Solve ↗ ✓ Mark Sum of Subarray Ranges completed Sum of Subarray Ranges Solve ↗ ✓ Mark Surrounded Regions completed Surrounded Regions Solve ↗ ✓ Mark Swim in Rising Water completed Swim in Rising Water Solve ↗ ✓ Mark Taking Maximum Energy From the Mystic Dungeon completed Taking Maximum Energy From the Mystic Dungeon Solve ↗ ✓ Mark Triangle completed Triangle Solve ↗ ✓ Mark Two Sum II - Input Array Is Sorted completed Two Sum II - Input Array Is Sorted Solve ↗ ✓ Mark Valid Anagram completed Valid Anagram Solve ↗ ✓ Mark 3Sum Closest completed 3Sum Closest Solve ↗ ✓ Mark Add Strings completed Add Strings Solve ↗ ✓ Mark Best Time to Buy and Sell Stock V completed Best Time to Buy and Sell Stock V Solve ↗ ✓ Mark Big Countries completed Big Countries Solve ↗ ✓ Mark Binary Tree Cameras completed Binary Tree Cameras Solve ↗ ✓ Mark Boats to Save People completed Boats to Save People Solve ↗ ✓ Mark Bulb Switcher completed Bulb Switcher Solve ↗ ✓ Mark Bus Routes completed Bus Routes Solve ↗ ✓ Mark Car Pooling completed Car Pooling Solve ↗ ✓ Mark Check if Array Is Sorted and Rotated completed Check if Array Is Sorted and Rotated Solve ↗ ✓ Mark Clone Graph completed Clone Graph Solve ↗ ✓ Mark Construct Binary Tree from Preorder and Inorder Traversal completed Construct Binary Tree from Preorder and Inorder Traversal Solve ↗ ✓ Mark Contains Duplicate II completed Contains Duplicate II Solve ↗ ✓ Mark Contains Duplicate III completed Contains Duplicate III Solve ↗ ✓ Mark Count Binary Substrings completed Count Binary Substrings Solve ↗ ✓ Mark Count Good Numbers completed Count Good Numbers Solve ↗ ✓ Mark Count the Number of Substrings With Dominant Ones completed Count the Number of Substrings With Dominant Ones Solve ↗ ✓ Mark Count Zero Request Servers completed Count Zero Request Servers Solve ↗ ✓ Mark Create a DataFrame from List completed Create a DataFrame from List Solve ↗ ✓ Mark Degree of an Array completed Degree of an Array Solve ↗ ✓ Mark Delete and Earn completed Delete and Earn Solve ↗ ✓ Mark Department Top Three Salaries completed Department Top Three Salaries Solve ↗ ✓ Mark Design Excel Sum Formula completed Design Excel Sum Formula Solve ↗ ✓ Mark Design Hit Counter completed Design Hit Counter Solve ↗ ✓ Mark Design Task Manager completed Design Task Manager Solve ↗ ✓ Mark Design Tic-Tac-Toe completed Design Tic-Tac-Toe Solve ↗ ✓ Mark Design Twitter completed Design Twitter Solve ↗ ✓ Mark Distinct Subsequences completed Distinct Subsequences Solve ↗ ✓ Mark Divide Two Integers completed Divide Two Integers Solve ↗ ✓ Mark Evaluate Reverse Polish Notation completed Evaluate Reverse Polish Notation Solve ↗ ✓ Mark Even Odd Tree completed Even Odd Tree Solve ↗ ✓ Mark Fibonacci Number completed Fibonacci Number Solve ↗ ✓ Mark Find Eventual Safe States completed Find Eventual Safe States Solve ↗ ✓ Mark Find in Mountain Array completed Find in Mountain Array Solve ↗ ✓ Mark Find K Closest Elements completed Find K Closest Elements Solve ↗ ✓ Mark Find N Unique Integers Sum up to Zero completed Find N Unique Integers Sum up to Zero Solve ↗ ✓ Mark Find the Celebrity completed Find the Celebrity Solve ↗ ✓ Mark Find the K-Sum of an Array completed Find the K-Sum of an Array Solve ↗ ✓ Mark Find the Maximum Achievable Number completed Find the Maximum Achievable Number Solve ↗ ✓ Mark Find the Minimum Area to Cover All Ones II completed Find the Minimum Area to Cover All Ones II Solve ↗ ✓ Mark First Bad Version completed First Bad Version Solve ↗ ✓ Mark Flatten Binary Tree to Linked List completed Flatten Binary Tree to Linked List Solve ↗ ✓ Mark Game Play Analysis I completed Game Play Analysis I Solve ↗ ✓ Mark House Robber II completed House Robber II Solve ↗ ✓ Mark How Many Numbers Are Smaller Than the Current Number completed How Many Numbers Are Smaller Than the Current Number Solve ↗ ✓ Mark Implement Stack using Queues completed Implement Stack using Queues Solve ↗ ✓ Mark Increasing Triplet Subsequence completed Increasing Triplet Subsequence Solve ↗ ✓ Mark Insert Delete GetRandom O(1) - Duplicates allowed completed Insert Delete GetRandom O(1) - Duplicates allowed Solve ↗ ✓ Mark Insert Interval completed Insert Interval Solve ↗ ✓ Mark Insertion Sort List completed Insertion Sort List Solve ↗ ✓ Mark Invert Binary Tree completed Invert Binary Tree Solve ↗ ✓ Mark Is Graph Bipartite? completed Is Graph Bipartite? Solve ↗ ✓ Mark Jewels and Stones completed Jewels and Stones Solve ↗ ✓ Mark Kth Missing Positive Number completed Kth Missing Positive Number Solve ↗ ✓ Mark Largest Divisible Subset completed Largest Divisible Subset Solve ↗ ✓ Mark Largest Triangle Area completed Largest Triangle Area Solve ↗ ✓ Mark Last Stone Weight completed Last Stone Weight Solve ↗ ✓ Mark Length of Longest V-Shaped Diagonal Segment completed Length of Longest V-Shaped Diagonal Segment Solve ↗ ✓ Mark Lexicographically Smallest String After Applying Operations completed Lexicographically Smallest String After Applying Operations Solve ↗ ✓ Mark Linked List Cycle II completed Linked List Cycle II Solve ↗ ✓ Mark Longest Common Subsequence completed Longest Common Subsequence Solve ↗ ✓ Mark Longest Harmonious Subsequence completed Longest Harmonious Subsequence Solve ↗ ✓ Mark Longest Palindromic Subsequence completed Longest Palindromic Subsequence Solve ↗ ✓ Mark Longest String Chain completed Longest String Chain Solve ↗ ✓ Mark Longest Valid Parentheses completed Longest Valid Parentheses 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 Maximize the Minimum Powered City completed Maximize the Minimum Powered City Solve ↗ ✓ Mark Maximum 69 Number completed Maximum 69 Number Solve ↗ ✓ Mark Maximum Candies Allocated to K Children completed Maximum Candies Allocated to K Children 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 Stack completed Maximum Frequency Stack Solve ↗ ✓ Mark Maximum Number of Events That Can Be Attended completed Maximum Number of Events That Can Be Attended Solve ↗ ✓ Mark Maximum Product Subarray completed Maximum Product Subarray Solve ↗ ✓ Mark Min Cost Climbing Stairs completed Min Cost Climbing Stairs Solve ↗ ✓ Mark Minimum Falling Path Sum completed Minimum Falling Path Sum Solve ↗ ✓ Mark Minimum Height Trees completed Minimum Height Trees Solve ↗ ✓ Mark Minimum Number of Days to Make m Bouquets completed Minimum Number of Days to Make m Bouquets Solve ↗ ✓ Mark Minimum Number of Groups to Create a Valid Assignment completed Minimum Number of Groups to Create a Valid Assignment 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 Minimum Number of Operations to Make All Array Elements Equal to 1 completed Minimum Number of Operations to Make All Array Elements Equal to 1 Solve ↗ ✓ Mark Minimum Operations to Equalize Binary String completed Minimum Operations to Equalize Binary String Solve ↗ ✓ Mark Minimum Sum of Four Digit Number After Splitting Digits completed Minimum Sum of Four Digit Number After Splitting Digits Solve ↗ ✓ Mark Most Beautiful Item for Each Query completed Most Beautiful Item for Each Query Solve ↗ ✓ Mark N-th Tribonacci Number completed N-th Tribonacci Number Solve ↗ ✓ Mark Next Greater Node In Linked List completed Next Greater Node In Linked List Solve ↗ ✓ Mark Number of Digit One completed Number of Digit One Solve ↗ ✓ Mark Number of Operations to Make Network Connected completed Number of Operations to Make Network Connected Solve ↗ ✓ Mark Number of Subsequences That Satisfy the Given Sum Condition completed Number of Subsequences That Satisfy the Given Sum Condition Solve ↗ ✓ Mark Open the Lock completed Open the Lock Solve ↗ ✓ Mark Partition Labels completed Partition Labels Solve ↗ ✓ Mark Permutations completed Permutations Solve ↗ ✓ Mark Plates Between Candles completed Plates Between Candles Solve ↗ ✓ Mark Plus One completed Plus One Solve ↗ ✓ Mark Pow(x, n) completed Pow(x, n) Solve ↗ ✓ Mark Power Grid Maintenance completed Power Grid Maintenance Solve ↗ ✓ Mark Product Price at a Given Date completed Product Price at a Given Date Solve ↗ ✓ Mark Product Sales Analysis III completed Product Sales Analysis III Solve ↗ ✓ Mark Range Sum Query - Immutable completed Range Sum Query - Immutable Solve ↗ ✓ Mark Rank Scores completed Rank Scores Solve ↗ ✓ Mark Remove All Adjacent Duplicates in String II completed Remove All Adjacent Duplicates in String II 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 Reorder List completed Reorder List Solve ↗ ✓ Mark Replace Employee ID With The Unique Identifier completed Replace Employee ID With The Unique Identifier Solve ↗ ✓ Mark Restaurant Growth completed Restaurant Growth Solve ↗ ✓ Mark Reverse String completed Reverse String 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 Robot Bounded In Circle completed Robot Bounded In Circle Solve ↗ ✓ Mark Russian Doll Envelopes completed Russian Doll Envelopes Solve ↗ ✓ Mark Score of a String completed Score of a String Solve ↗ ✓ Mark Scramble String completed Scramble String Solve ↗ ✓ Mark Search a 2D Matrix II completed Search a 2D Matrix II Solve ↗ ✓ Mark Search Suggestions System completed Search Suggestions System Solve ↗ ✓ Mark Shortest Common Supersequence completed Shortest Common Supersequence Solve ↗ ✓ Mark Shortest Palindrome completed Shortest Palindrome Solve ↗ ✓ Mark Simplify Path completed Simplify Path Solve ↗ ✓ Mark Single Number II completed Single Number II Solve ↗ ✓ Mark Sleep completed Sleep Solve ↗ ✓ Mark Sort Array By Parity completed Sort Array By Parity Solve ↗ ✓ Mark Sort List completed Sort List Solve ↗ ✓ Mark Spiral Matrix II completed Spiral Matrix II Solve ↗ ✓ Mark Students and Examinations completed Students and Examinations 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 Perfect Square Ancestors completed Sum of Perfect Square Ancestors Solve ↗ ✓ Mark Swapping Nodes in a Linked List completed Swapping Nodes in a Linked List Solve ↗ ✓ Mark Symmetric Tree completed Symmetric Tree Solve ↗ ✓ Mark Task Scheduler completed Task Scheduler Solve ↗ ✓ Mark Text Justification completed Text Justification Solve ↗ ✓ Mark Time Based Key-Value Store completed Time Based Key-Value Store Solve ↗ ✓ Mark To Be Or Not To Be completed To Be Or Not To Be Solve ↗ ✓ Mark Transpose Matrix completed Transpose Matrix 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 Unique Number of Occurrences completed Unique Number of Occurrences Solve ↗ ✓ Mark Unique Paths completed Unique Paths 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 Vowel Spellchecker completed Vowel Spellchecker Solve ↗ ✓ Mark Water Bottles II completed Water Bottles II Solve ↗ ✓ Mark Zigzag Conversion completed Zigzag Conversion Solve ↗