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Interview question tracker

Microsoft Coding Interview Questions — Last 6 months

Practice 491 coding questions from Microsoft company-tagged LeetCode lists in the source’s last 6 months reporting window. Explore reported interview questions and track your progress.

Company-wide data from Fahad7177-jeh/leetcode-company-wise-questions; see its AGPL-3.0 license. All-time questions also use dataengineervishal/leetcode-companywise-questions (MIT license).

Reporting periods reflect source data, not verified interview dates. Questions can recur; inclusion does not guarantee they will appear in your interview.

Updated weekly · Latest source check: 15 Oct 2026ⓘLatest successful check of the sources used by this company. A check does not necessarily mean the questions changed.

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Top questions 491

Done	Question	LeetCode
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 Group Anagrams completed	Group Anagrams	Solve
Mark Longest Palindromic Substring completed	Longest Palindromic Substring	Solve
Mark Longest Substring Without Repeating Characters completed	Longest Substring Without Repeating Characters	Solve
Mark LRU Cache completed	LRU Cache	Solve
Mark Median of Two Sorted Arrays completed	Median of Two Sorted Arrays	Solve
Mark Merge Intervals completed	Merge Intervals	Solve
Mark Remove Duplicates from Sorted Array completed	Remove Duplicates from Sorted Array	Solve
Mark Roman to Integer completed	Roman to Integer	Solve
Mark Subarray Sum Equals K completed	Subarray Sum Equals K	Solve
Mark Trapping Rain Water completed	Trapping Rain Water	Solve
Mark Valid Parentheses completed	Valid Parentheses	Solve
Mark Container With Most Water completed	Container With Most Water	Solve
Mark Design Authentication Manager completed	Design Authentication Manager	Solve
Mark Find Peak Element completed	Find Peak Element	Solve
Mark Generate Parentheses completed	Generate Parentheses	Solve
Mark Koko Eating Bananas completed	Koko Eating Bananas	Solve
Mark Longest Common Prefix completed	Longest Common Prefix	Solve
Mark Majority Element completed	Majority Element	Solve
Mark Maximum Subarray completed	Maximum Subarray	Solve
Mark Merge Sorted Array completed	Merge Sorted Array	Solve
Mark Merge Two Sorted Lists completed	Merge Two Sorted Lists	Solve
Mark Minimum Edge Reversals So Every Node Is Reachable completed	Minimum Edge Reversals So Every Node Is Reachable	Solve
Mark Minimum Operations to Reduce an Integer to 0 completed	Minimum Operations to Reduce an Integer to 0	Solve
Mark Next Permutation completed	Next Permutation	Solve
Mark Number of Islands completed	Number of Islands	Solve
Mark Palindrome Number completed	Palindrome Number	Solve
Mark Reverse Nodes in k-Group completed	Reverse Nodes in k-Group	Solve
Mark Rotate Image completed	Rotate Image	Solve
Mark Search in Rotated Sorted Array completed	Search in Rotated Sorted Array	Solve
Mark Serialize and Deserialize Binary Tree completed	Serialize and Deserialize Binary Tree	Solve
Mark Spiral Matrix completed	Spiral Matrix	Solve
Mark Arranging Coins completed	Arranging Coins	Solve
Mark Binary Tree Level Order Traversal completed	Binary Tree Level Order Traversal	Solve
Mark Climbing Stairs completed	Climbing Stairs	Solve
Mark Coin Change completed	Coin Change	Solve
Mark Contains Duplicate completed	Contains Duplicate	Solve
Mark Count Palindromic Subsequences completed	Count Palindromic Subsequences	Solve
Mark Count the Number of Infection Sequences completed	Count the Number of Infection Sequences	Solve
Mark Course Schedule II completed	Course Schedule II	Solve
Mark Daily Temperatures completed	Daily Temperatures	Solve
Mark Decode String completed	Decode String	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 Find Minimum in Rotated Sorted Array completed	Find Minimum in Rotated Sorted Array	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 First Missing Positive completed	First Missing Positive	Solve
Mark Gas Station completed	Gas Station	Solve
Mark Happy Number completed	Happy Number	Solve
Mark House Robber completed	House Robber	Solve
Mark Jump Game II completed	Jump Game II	Solve
Mark Largest Rectangle in Histogram completed	Largest Rectangle in Histogram	Solve
Mark Linked List Cycle completed	Linked List Cycle	Solve
Mark Longest Consecutive Sequence completed	Longest Consecutive Sequence	Solve
Mark Longest Repeating Character Replacement completed	Longest Repeating Character Replacement	Solve
Mark Lowest Common Ancestor of a Binary Tree completed	Lowest Common Ancestor of a Binary Tree	Solve
Mark Max Consecutive Ones III completed	Max Consecutive Ones III	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 Minimum Difficulty of a Job Schedule completed	Minimum Difficulty of a Job Schedule	Solve
Mark Minimum Size Subarray Sum completed	Minimum Size Subarray Sum	Solve
Mark Move Zeroes completed	Move Zeroes	Solve
Mark N-Queens completed	N-Queens	Solve
Mark Number of Provinces completed	Number of Provinces	Solve
Mark Pascal's Triangle completed	Pascal's Triangle	Solve
Mark Permutations completed	Permutations	Solve
Mark Product of Array Except Self completed	Product of Array Except Self	Solve
Mark Ransom Note completed	Ransom Note	Solve
Mark Regular Expression Matching completed	Regular Expression Matching	Solve
Mark Remove Nth Node From End of List completed	Remove Nth Node From End of List	Solve
Mark Restore IP Addresses completed	Restore IP Addresses	Solve
Mark Reverse Integer completed	Reverse Integer	Solve
Mark Reverse Linked List completed	Reverse Linked List	Solve
Mark Reverse Words in a String completed	Reverse Words in a String	Solve
Mark Rising Temperature completed	Rising Temperature	Solve
Mark Rotate Array completed	Rotate Array	Solve
Mark Rotting Oranges completed	Rotting Oranges	Solve
Mark Search Insert Position completed	Search Insert Position	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 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 Top K Frequent Elements completed	Top K Frequent Elements	Solve
Mark Valid Anagram completed	Valid Anagram	Solve
Mark Valid Palindrome completed	Valid Palindrome	Solve
Mark Valid Sudoku completed	Valid Sudoku	Solve
Mark Valid Word completed	Valid Word	Solve
Mark Accounts Merge completed	Accounts Merge	Solve
Mark Add Binary completed	Add Binary	Solve
Mark Add Strings completed	Add Strings	Solve
Mark Add Two Integers completed	Add Two Integers	Solve
Mark Asteroid Collision completed	Asteroid Collision	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 Battleships in a Board completed	Battleships in a Board	Solve
Mark Best Time to Buy and Sell Stock II completed	Best Time to Buy and Sell Stock II	Solve
Mark Best Time to Buy and Sell Stock III completed	Best Time to Buy and Sell Stock III	Solve
Mark Binary Search completed	Binary Search	Solve
Mark Binary Tree Inorder Traversal completed	Binary Tree Inorder Traversal	Solve
Mark Binary Tree Zigzag Level Order Traversal completed	Binary Tree Zigzag Level Order Traversal	Solve
Mark Calculate Money in Leetcode Bank completed	Calculate Money in Leetcode Bank	Solve
Mark Can Place Flowers completed	Can Place Flowers	Solve
Mark Check if Array Is Sorted and Rotated completed	Check if Array Is Sorted and Rotated	Solve
Mark Combination Sum completed	Combination Sum	Solve
Mark Combine Two Tables completed	Combine Two Tables	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 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 Good Numbers completed	Count Good Numbers	Solve
Mark Course Schedule completed	Course Schedule	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 Design HashMap completed	Design HashMap	Solve
Mark Design Memory Allocator completed	Design Memory Allocator	Solve
Mark Diagonal Traverse completed	Diagonal Traverse	Solve
Mark Divide Two Integers completed	Divide Two Integers	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 Reverse Polish Notation completed	Evaluate Reverse Polish Notation	Solve
Mark Excel Sheet Column Number completed	Excel Sheet Column Number	Solve
Mark Fibonacci Number completed	Fibonacci Number	Solve
Mark Final Prices With a Special Discount in a Shop completed	Final Prices With a Special Discount in a Shop	Solve
Mark Find All Anagrams in a String completed	Find All Anagrams in a String	Solve
Mark Find All Duplicates in an Array completed	Find All Duplicates in an Array	Solve
Mark Find K Closest Elements completed	Find K Closest Elements	Solve
Mark Find the Duplicate Number completed	Find the Duplicate Number	Solve
Mark Find the Original Typed String II completed	Find the Original Typed String II	Solve
Mark Find the Winner of an Array Game completed	Find the Winner of an Array Game	Solve
Mark First Unique Character in a String completed	First Unique Character in a String	Solve
Mark Fizz Buzz completed	Fizz Buzz	Solve
Mark Frequency of the Most Frequent Element completed	Frequency of the Most Frequent Element	Solve
Mark Game Play Analysis IV completed	Game Play Analysis IV	Solve
Mark Height Checker completed	Height Checker	Solve
Mark House Robber II completed	House Robber II	Solve
Mark Implement Stack using Queues completed	Implement Stack using Queues	Solve
Mark Implement Trie (Prefix Tree) completed	Implement Trie (Prefix Tree)	Solve
Mark Integer to Roman completed	Integer to Roman	Solve
Mark Intersection of Two Arrays completed	Intersection of Two Arrays	Solve
Mark Jump Game completed	Jump Game	Solve
Mark Kth Largest Element in an Array completed	Kth Largest Element in an Array	Solve
Mark Kth Smallest Element in a BST completed	Kth Smallest Element in a BST	Solve
Mark Largest Number completed	Largest Number	Solve
Mark Letter Combinations of a Phone Number completed	Letter Combinations of a Phone Number	Solve
Mark Linked List Cycle II completed	Linked List Cycle II	Solve
Mark Longest Common Subsequence completed	Longest Common Subsequence	Solve
Mark Longest Increasing Subsequence completed	Longest Increasing Subsequence	Solve
Mark Longest Palindromic Subsequence completed	Longest Palindromic Subsequence	Solve
Mark Longest Valid Parentheses completed	Longest Valid Parentheses	Solve
Mark Making A Large Island completed	Making A Large Island	Solve
Mark Max Consecutive Ones completed	Max Consecutive Ones	Solve
Mark Maximal Rectangle completed	Maximal Rectangle	Solve
Mark Maximum Difference Between Even and Odd Frequency I completed	Maximum Difference Between Even and Odd Frequency I	Solve
Mark Maximum Number of Alloys completed	Maximum Number of Alloys	Solve
Mark Maximum Number of Events That Can Be Attended completed	Maximum Number of Events That Can Be Attended	Solve
Mark Maximum OR completed	Maximum OR	Solve
Mark Maximum Product Subarray completed	Maximum Product Subarray	Solve
Mark Middle of the Linked List completed	Middle of the Linked List	Solve
Mark Min Stack completed	Min Stack	Solve
Mark Minimum Absolute Difference completed	Minimum Absolute Difference	Solve
Mark Minimum Initial Energy to Finish Tasks completed	Minimum Initial Energy to Finish Tasks	Solve
Mark Minimum Knight Moves completed	Minimum Knight Moves	Solve
Mark Minimum Number of Steps to Make Two Strings Anagram completed	Minimum Number of Steps to Make Two Strings Anagram	Solve
Mark Minimum Operations to Make Array Equal to Target completed	Minimum Operations to Make Array Equal to Target	Solve
Mark Minimum Path Sum completed	Minimum Path Sum	Solve
Mark Minimum Value to Get Positive Step by Step Sum completed	Minimum Value to Get Positive Step by Step Sum	Solve
Mark Multiply Strings completed	Multiply Strings	Solve
Mark Next Greater Element I completed	Next Greater Element I	Solve
Mark Odd Even Linked List completed	Odd Even Linked List	Solve
Mark Online Stock Span completed	Online Stock Span	Solve
Mark Palindrome Partitioning completed	Palindrome Partitioning	Solve
Mark Palindromic Substrings completed	Palindromic Substrings	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 Perfect Number completed	Perfect Number	Solve
Mark Perfect Squares completed	Perfect Squares	Solve
Mark Permutation in String completed	Permutation in String	Solve
Mark Permutations II completed	Permutations II	Solve
Mark Populating Next Right Pointers in Each Node completed	Populating Next Right Pointers in Each Node	Solve
Mark Pow(x, n) completed	Pow(x, n)	Solve
Mark Rearranging Fruits completed	Rearranging Fruits	Solve
Mark Recover Binary Search Tree completed	Recover Binary Search Tree	Solve
Mark Recyclable and Low Fat Products completed	Recyclable and Low Fat Products	Solve
Mark Remove Element completed	Remove Element	Solve
Mark Reverse Linked List II completed	Reverse Linked List II	Solve
Mark Rotate List completed	Rotate List	Solve
Mark Running Sum of 1d Array completed	Running Sum of 1d Array	Solve
Mark Same Tree completed	Same Tree	Solve
Mark Second Highest Salary completed	Second Highest Salary	Solve
Mark Set Matrix Zeroes completed	Set Matrix Zeroes	Solve
Mark Shifting Letters completed	Shifting Letters	Solve
Mark Simplify Path completed	Simplify Path	Solve
Mark Single Number completed	Single Number	Solve
Mark Smallest String With Swaps completed	Smallest String With Swaps	Solve
Mark Sort List completed	Sort List	Solve
Mark Special Binary String completed	Special Binary String	Solve
Mark String Compression completed	String Compression	Solve
Mark Subarray Sums Divisible by K completed	Subarray Sums Divisible by K	Solve
Mark Subarrays with K Different Integers completed	Subarrays with K Different Integers	Solve
Mark Subsets II completed	Subsets II	Solve
Mark Sudoku Solver completed	Sudoku Solver	Solve
Mark Task Scheduler completed	Task Scheduler	Solve
Mark Two Sum II - Input Array Is Sorted completed	Two Sum II - Input Array Is Sorted	Solve
Mark Validate Binary Search Tree completed	Validate Binary Search Tree	Solve
Mark Vowel Spellchecker completed	Vowel Spellchecker	Solve
Mark Wildcard Matching completed	Wildcard Matching	Solve
Mark Word Break completed	Word Break	Solve
Mark Word Ladder completed	Word Ladder	Solve
Mark Word Search completed	Word Search	Solve
Mark Word Search II completed	Word Search II	Solve
Mark 01 Matrix completed	01 Matrix	Solve
Mark 24 Game completed	24 Game	Solve
Mark 4Sum completed	4Sum	Solve
Mark Actors and Directors Who Cooperated At Least Three Times completed	Actors and Directors Who Cooperated At Least Three Times	Solve
Mark Add Digits completed	Add Digits	Solve
Mark Add Two Numbers II completed	Add Two Numbers II	Solve
Mark Alice and Bob Playing Flower Game completed	Alice and Bob Playing Flower Game	Solve
Mark All Nodes Distance K in Binary Tree completed	All Nodes Distance K in Binary Tree	Solve
Mark Article Views I completed	Article Views I	Solve
Mark As Far from Land as Possible completed	As Far from Land as Possible	Solve
Mark Assign Cookies completed	Assign Cookies	Solve
Mark Average Selling Price completed	Average Selling Price	Solve
Mark Balanced Binary Tree completed	Balanced Binary Tree	Solve
Mark Basic Calculator completed	Basic Calculator	Solve
Mark Big Countries completed	Big Countries	Solve
Mark Binary Subarrays With Sum completed	Binary Subarrays With Sum	Solve
Mark Binary Tree Preorder Traversal completed	Binary Tree Preorder Traversal	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 Bitwise ORs of Subarrays completed	Bitwise ORs of Subarrays	Solve
Mark Boundary of Binary Tree completed	Boundary of Binary Tree	Solve
Mark Broken Calculator completed	Broken Calculator	Solve
Mark Burst Balloons completed	Burst Balloons	Solve
Mark Bus Routes completed	Bus Routes	Solve
Mark Candy completed	Candy	Solve
Mark Car Pooling completed	Car Pooling	Solve
Mark Cat and Mouse completed	Cat and Mouse	Solve
Mark Cheapest Flights Within K Stops completed	Cheapest Flights Within K Stops	Solve
Mark Check Completeness of a Binary Tree completed	Check Completeness of a Binary Tree	Solve
Mark Check if Object Instance of Class completed	Check if Object Instance of Class	Solve
Mark Check if the Sentence Is Pangram completed	Check if the Sentence Is Pangram	Solve
Mark Cherry Pickup completed	Cherry Pickup	Solve
Mark Classes With at Least 5 Students completed	Classes With at Least 5 Students	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 Combinations completed	Combinations	Solve
Mark Compare Version Numbers completed	Compare Version Numbers	Solve
Mark Concatenation of Array completed	Concatenation of Array	Solve
Mark Consecutive Numbers completed	Consecutive Numbers	Solve
Mark Consecutive Numbers Sum completed	Consecutive Numbers Sum	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 Convert BST to Greater Tree completed	Convert BST to Greater Tree	Solve
Mark Count Binary Substrings completed	Count Binary Substrings	Solve
Mark Count Elements With Maximum Frequency completed	Count Elements With Maximum Frequency	Solve
Mark Count Negative Numbers in a Sorted Matrix completed	Count Negative Numbers in a Sorted Matrix	Solve
Mark Count Number of Nice Subarrays completed	Count Number of Nice Subarrays	Solve
Mark Count Odd Numbers in an Interval Range completed	Count Odd Numbers in an Interval Range	Solve
Mark Count Primes completed	Count Primes	Solve
Mark Count Servers that Communicate completed	Count Servers that Communicate	Solve
Mark Count Subarrays With Fixed Bounds completed	Count Subarrays With Fixed Bounds	Solve
Mark Count Vowel Substrings of a String completed	Count Vowel Substrings of a String	Solve
Mark Counter completed	Counter	Solve
Mark Counting Bits completed	Counting Bits	Solve
Mark Create Hello World Function completed	Create Hello World Function	Solve
Mark Customer Placing the Largest Number of Orders completed	Customer Placing the Largest Number of Orders	Solve
Mark Decode Ways completed	Decode Ways	Solve
Mark Delete and Earn completed	Delete and Earn	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 Node in a BST completed	Delete Node in a BST	Solve
Mark Delete Nodes From Linked List Present in Array completed	Delete Nodes From Linked List Present in Array	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 Browser History completed	Design Browser History	Solve
Mark Design Circular Queue completed	Design Circular Queue	Solve
Mark Design Hit Counter completed	Design Hit Counter	Solve
Mark Design In-Memory File System completed	Design In-Memory File System	Solve
Mark Design Linked List completed	Design Linked List	Solve
Mark Design Task Manager completed	Design Task Manager	Solve
Mark Diameter of Binary Tree completed	Diameter of Binary Tree	Solve
Mark Distinct Subsequences completed	Distinct Subsequences	Solve
Mark Employee Bonus completed	Employee Bonus	Solve
Mark Encode and Decode Strings completed	Encode and Decode Strings	Solve
Mark Evaluate Division completed	Evaluate Division	Solve
Mark Excel Sheet Column Title completed	Excel Sheet Column Title	Solve
Mark Exclusive Time of Functions completed	Exclusive Time of Functions	Solve
Mark Factorial Trailing Zeroes completed	Factorial Trailing Zeroes	Solve
Mark Find All Numbers Disappeared in an Array completed	Find All Numbers Disappeared in an Array	Solve
Mark Find if Path Exists in Graph completed	Find if Path Exists in Graph	Solve
Mark Find K Pairs with Smallest Sums completed	Find K Pairs with Smallest Sums	Solve
Mark Find Lucky Integer in an Array completed	Find Lucky Integer in an Array	Solve
Mark Find N Unique Integers Sum up to Zero completed	Find N Unique Integers Sum up to Zero	Solve
Mark Find Resultant Array After Removing Anagrams completed	Find Resultant Array After Removing Anagrams	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 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 Minimum Area to Cover All Ones I completed	Find the Minimum Area to Cover All Ones I	Solve
Mark Find the Minimum Area to Cover All Ones II completed	Find the Minimum Area to Cover All Ones II	Solve
Mark Find The Original Array of Prefix Xor completed	Find The Original Array of Prefix Xor	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 Flatten a Multilevel Doubly Linked List completed	Flatten a Multilevel Doubly Linked List	Solve
Mark Flood Fill completed	Flood Fill	Solve
Mark Friend Requests II: Who Has the Most Friends completed	Friend Requests II: Who Has the Most Friends	Solve
Mark Fruit Into Baskets completed	Fruit Into Baskets	Solve
Mark Fruits Into Baskets II completed	Fruits Into Baskets II	Solve
Mark Fruits Into Baskets III completed	Fruits Into Baskets III	Solve
Mark Game of Life completed	Game of Life	Solve
Mark Get the Maximum Score completed	Get the Maximum Score	Solve
Mark Greatest Common Divisor of Strings completed	Greatest Common Divisor of Strings	Solve
Mark H-Index completed	H-Index	Solve
Mark Hand of Straights completed	Hand of Straights	Solve
Mark House Robber III completed	House Robber III	Solve
Mark Immediate Food Delivery II completed	Immediate Food Delivery II	Solve
Mark Implement Queue using Stacks completed	Implement Queue using Stacks	Solve
Mark Implement Router completed	Implement Router	Solve
Mark Insert Delete GetRandom O(1) completed	Insert Delete GetRandom O(1)	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 Insert Interval completed	Insert Interval	Solve
Mark Insert into a Binary Search Tree completed	Insert into a Binary Search Tree	Solve
Mark Integer to English Words completed	Integer to English Words	Solve
Mark Interleaving String completed	Interleaving String	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 Interval List Intersections completed	Interval List Intersections	Solve
Mark Investments in 2016 completed	Investments in 2016	Solve
Mark IPO completed	IPO	Solve
Mark Is Graph Bipartite? completed	Is Graph Bipartite?	Solve
Mark Is Subsequence completed	Is Subsequence	Solve
Mark Island Perimeter completed	Island Perimeter	Solve
Mark Isomorphic Strings completed	Isomorphic Strings	Solve
Mark Jewels and Stones completed	Jewels and Stones	Solve
Mark Jump Game III completed	Jump Game III	Solve
Mark K-th Smallest in Lexicographical Order completed	K-th Smallest in Lexicographical Order	Solve
Mark Kth Missing Positive Number completed	Kth Missing Positive Number	Solve
Mark Kth Smallest Product of Two Sorted Arrays completed	Kth Smallest Product of Two Sorted Arrays	Solve
Mark Largest Odd Number in String completed	Largest Odd Number in String	Solve
Mark Length of Last Word completed	Length of Last Word	Solve
Mark LFU Cache completed	LFU Cache	Solve
Mark Logger Rate Limiter completed	Logger Rate Limiter	Solve
Mark Longest Happy Prefix completed	Longest Happy Prefix	Solve
Mark Longest Palindrome completed	Longest Palindrome	Solve
Mark Longest Palindrome by Concatenating Two Letter Words completed	Longest Palindrome by Concatenating Two Letter Words	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 Subarray With Maximum Bitwise AND completed	Longest Subarray With Maximum Bitwise AND	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 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 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 Maximal Network Rank completed	Maximal Network Rank	Solve
Mark Maximize Greatness of an Array completed	Maximize Greatness of an Array	Solve
Mark Maximize Subarrays After Removing One Conflicting Pair completed	Maximize Subarrays After Removing One Conflicting Pair	Solve
Mark Maximum 69 Number completed	Maximum 69 Number	Solve
Mark Maximum Average Subarray I completed	Maximum Average Subarray I	Solve
Mark Maximum Difference Between Even and Odd Frequency II completed	Maximum Difference Between Even and Odd Frequency II	Solve
Mark Maximum Erasure Value completed	Maximum Erasure Value	Solve
Mark Maximum Manhattan Distance After K Changes completed	Maximum Manhattan Distance After K Changes	Solve
Mark Maximum Number of Non-overlapping Palindrome Substrings completed	Maximum Number of Non-overlapping Palindrome Substrings	Solve
Mark Maximum Number of Words You Can Type completed	Maximum Number of Words You Can Type	Solve
Mark Maximum Palindromes After Operations completed	Maximum Palindromes After Operations	Solve
Mark Maximum Points You Can Obtain from Cards completed	Maximum Points You Can Obtain from Cards	Solve
Mark Maximum Population Year completed	Maximum Population Year	Solve
Mark Maximum Profit in Job Scheduling completed	Maximum Profit in Job Scheduling	Solve
Mark Maximum Subsequence Score completed	Maximum Subsequence Score	Solve
Mark Maximum Unique Subarray Sum After Deletion completed	Maximum Unique Subarray Sum After Deletion	Solve
Mark Maximum Width of Binary Tree completed	Maximum Width of Binary Tree	Solve
Mark Meeting Rooms completed	Meeting Rooms	Solve
Mark Meeting Rooms III completed	Meeting Rooms III	Solve
Mark Merge In Between Linked Lists completed	Merge In Between Linked Lists	Solve
Mark Merge Strings Alternately completed	Merge Strings Alternately	Solve
Mark Min Cost to Connect All Points completed	Min Cost to Connect All Points	Solve
Mark Minimize Malware Spread completed	Minimize Malware Spread	Solve
Mark Minimize the Maximum Difference of Pairs completed	Minimize the Maximum Difference of Pairs	Solve
Mark Minimum Genetic Mutation completed	Minimum Genetic Mutation	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 Refueling Stops completed	Minimum Number of Refueling Stops	Solve
Mark Minimum Penalty for a Shop completed	Minimum Penalty for a Shop	Solve
Mark Minimum Score Triangulation of Polygon completed	Minimum Score Triangulation of Polygon	Solve
Mark Minimum Suffix Flips completed	Minimum Suffix Flips	Solve
Mark Minimum Swaps to Make Strings Equal completed	Minimum Swaps to Make Strings Equal	Solve
Mark Minimum Window Substring completed	Minimum Window Substring	Solve
Mark Missing Number completed	Missing Number	Solve
Mark Monthly Transactions I completed	Monthly Transactions I	Solve
Mark Movie Rating completed	Movie Rating	Solve
Mark N-Queens II completed	N-Queens II	Solve
Mark Network Delay Time completed	Network Delay Time	Solve
Mark New 21 Game completed	New 21 Game	Solve
Mark Next Greater Element II completed	Next Greater Element II	Solve
Mark Next Greater Element III completed	Next Greater Element III	Solve
Mark Nth Highest Salary completed	Nth Highest Salary	Solve
Mark Number of Digit One completed	Number of Digit One	Solve
Mark Number of Enclaves completed	Number of Enclaves	Solve
Mark Number of Good Pairs completed	Number of Good Pairs	Solve
Mark Number of People Aware of a Secret completed	Number of People Aware of a Secret	Solve
Mark Number of Substrings Containing All Three Characters completed	Number of Substrings Containing All Three Characters	Solve
Mark Number of Visible People in a Queue completed	Number of Visible People in a Queue	Solve
Mark Number of Zero-Filled Subarrays completed	Number of Zero-Filled Subarrays	Solve
Mark Open the Lock completed	Open the Lock	Solve
Mark Optimal Account Balancing completed	Optimal Account Balancing	Solve
Mark Palindrome Linked List completed	Palindrome Linked List	Solve
Mark Palindrome Partitioning II completed	Palindrome Partitioning II	Solve
Mark Partition Array According to Given Pivot completed	Partition Array According to Given Pivot	Solve
Mark Partition List completed	Partition List	Solve
Mark Path Sum completed	Path Sum	Solve
Mark Path Sum II completed	Path Sum II	Solve
Mark Permutation Sequence completed	Permutation Sequence	Solve
Mark Plus One completed	Plus One	Solve
Mark Populating Next Right Pointers in Each Node II completed	Populating Next Right Pointers in Each Node II	Solve
Mark Power Grid Maintenance completed	Power Grid Maintenance	Solve
Mark Power of Three completed	Power of Three	Solve
Mark Primary Department for Each Employee completed	Primary Department for Each Employee	Solve
Mark Product Sales Analysis III completed	Product Sales Analysis III	Solve
Mark Range Sum Query - Immutable completed	Range Sum Query - Immutable	Solve
Mark Reach a Number completed	Reach a Number	Solve
Mark Rearrange Words in a Sentence completed	Rearrange Words in a Sentence	Solve
Mark Reconstruct Itinerary completed	Reconstruct Itinerary	Solve
Mark Rectangle Overlap completed	Rectangle Overlap	Solve
Mark Remove All Adjacent Duplicates In String completed	Remove All Adjacent Duplicates In String	Solve
Mark Remove Duplicates from Sorted Array II completed	Remove Duplicates from Sorted Array II	Solve
Mark Remove Invalid Parentheses completed	Remove Invalid Parentheses	Solve
Mark Remove K Digits completed	Remove K Digits	Solve
Mark Remove Linked List Elements completed	Remove Linked List Elements	Solve
Mark Reorder List completed	Reorder List	Solve
Mark Reorder Routes to Make All Paths Lead to the City Zero completed	Reorder Routes to Make All Paths Lead to the City Zero	Solve
Mark Reorganize String completed	Reorganize String	Solve
Mark Replace Employee ID With The Unique Identifier completed	Replace Employee ID With The Unique Identifier	Solve
Mark Reverse Bits completed	Reverse Bits	Solve
Mark Reverse Pairs completed	Reverse Pairs	Solve
Mark Reverse String completed	Reverse String	Solve
Mark Reverse Vowels of a String completed	Reverse Vowels of a String	Solve
Mark Richest Customer Wealth completed	Richest Customer Wealth	Solve
Mark Robot Bounded In Circle completed	Robot Bounded In Circle	Solve
Mark Robot Room Cleaner completed	Robot Room Cleaner	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 Suggestions System completed	Search Suggestions System	Solve
Mark Serialize and Deserialize BST completed	Serialize and Deserialize BST	Solve
Mark Set Mismatch completed	Set Mismatch	Solve
Mark Shortest Bridge completed	Shortest Bridge	Solve
Mark Shortest Common Supersequence completed	Shortest Common Supersequence	Solve
Mark Shortest Path in Binary Matrix completed	Shortest Path in Binary Matrix	Solve
Mark Single Number II completed	Single Number II	Solve
Mark Smallest Number With All Set Bits completed	Smallest Number With All Set Bits	Solve
Mark Snakes and Ladders completed	Snakes and Ladders	Solve
Mark Snapshot Array completed	Snapshot Array	Solve
Mark Sort Characters By Frequency completed	Sort Characters By Frequency	Solve
Mark Sorting the Sentence completed	Sorting the Sentence	Solve
Mark Split Array With Same Average completed	Split Array With Same Average	Solve
Mark Split Linked List in Parts completed	Split Linked List in Parts	Solve
Mark Subsets completed	Subsets	Solve
Mark Successful Pairs of Spells and Potions completed	Successful Pairs of Spells and Potions	Solve
Mark Sum of Beauty of All Substrings completed	Sum of Beauty of All Substrings	Solve
Mark Sum Root to Leaf Numbers completed	Sum Root to Leaf Numbers	Solve
Mark Surrounded Regions completed	Surrounded Regions	Solve
Mark Swap Nodes in Pairs completed	Swap Nodes in Pairs	Solve
Mark Swapping Nodes in a Linked List completed	Swapping Nodes in a Linked List	Solve
Mark Text Justification completed	Text Justification	Solve
Mark The Dining Philosophers completed	The Dining Philosophers	Solve
Mark The Skyline Problem completed	The Skyline Problem	Solve
Mark The Two Sneaky Numbers of Digitville completed	The Two Sneaky Numbers of Digitville	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 Transform Array to All Equal Elements completed	Transform Array to All Equal Elements	Solve
Mark Trapping Rain Water II completed	Trapping Rain Water II	Solve
Mark Triangle completed	Triangle	Solve
Mark Twisted Mirror Path Count completed	Twisted Mirror Path Count	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 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 Vertical Order Traversal of a Binary Tree completed	Vertical Order Traversal of a Binary Tree	Solve
Mark Water Bottles completed	Water Bottles	Solve
Mark Word Break II completed	Word Break II	Solve
Mark Word Ladder II completed	Word Ladder II	Solve
Mark Zigzag Conversion completed	Zigzag Conversion	Solve