| Two Sum | Easy | 9 companies | View breakdown → | |
| Merge Intervals | Medium | 11 companies | View breakdown → | |
| Best Time to Buy and Sell Stock | Easy | 10 companies | View breakdown → | |
| 3Sum | Medium | 8 companies | View breakdown → | |
| Container With Most Water | Medium | 7 companies | View breakdown → | |
| Trapping Rain Water | Hard | 7 companies | View breakdown → | |
| Median of Two Sorted Arrays | Hard | 7 companies | View breakdown → | |
| Top K Frequent Elements | Medium | 7 companies | View breakdown → | |
| Longest Consecutive Sequence | Medium | 6 companies | View breakdown → | |
| House Robber | Medium | 5 companies | View breakdown → | |
| Subarray Sum Equals K | Medium | 5 companies | View breakdown → | |
| Search in Rotated Sorted Array | Medium | 5 companies | View breakdown → | |
| Maximum Subarray | Medium | 9 companies | View breakdown → | |
| Product of Array Except Self | Medium | 9 companies | View breakdown → | |
| Daily Temperatures | Medium | 6 companies | View breakdown → | |
| Meeting Rooms II | Medium | 8 companies | View breakdown → | |
| Gas Station | Medium | 6 companies | View breakdown → | |
| Maximum Product Subarray | Medium | 7 companies | View breakdown → | |
| Move Zeroes | Easy | 4 companies | View breakdown → | |
| Jump Game II | Medium | 4 companies | View breakdown → | |
| Find First and Last Position of Element in Sorted Array | Medium | 3 companies | View breakdown → | |
| Snapshot Array | Medium | 3 companies | View breakdown → | |
| Sort Colors | Medium | 3 companies | View breakdown → | |
| Longest Common Prefix | Easy | 4 companies | View breakdown → | |
| Remove Duplicates from Sorted Array | Easy | 4 companies | View breakdown → | |
| Word Search | Medium | 4 companies | View breakdown → | |
| Rotate Array | Medium | 4 companies | View breakdown → | |
| Merge Sorted Array | Easy | 4 companies | View breakdown → | |
| Spiral Matrix | Medium | 4 companies | View breakdown → | |
| Subsets | Medium | 2 companies | View breakdown → | |
| Kth Largest Element in an Array | Medium | 2 companies | View breakdown → | |
| Best Time to Buy and Sell Stock II | Medium | 3 companies | View breakdown → | |
| Evaluate Division | Medium | 2 companies | View breakdown → | |
| Insert Delete GetRandom O(1) | Medium | 2 companies | View breakdown → | |
| Accounts Merge | Medium | 2 companies | View breakdown → | |
| Design Memory Allocator | Medium | 3 companies | View breakdown → | |
| Sliding Window Maximum | Hard | 3 companies | View breakdown → | |
| Concatenation of Array | Easy | 3 companies | View breakdown → | |
| Fruit Into Baskets | Medium | 3 companies | View breakdown → | |
| Two Sum II - Input Array Is Sorted | Medium | 3 companies | View breakdown → | |
| Squares of a Sorted Array | Easy | 2 companies | View breakdown → | |
| Next Permutation | Medium | 2 companies | View breakdown → | |
| Koko Eating Bananas | Medium | 3 companies | View breakdown → | |
| Asteroid Collision | Medium | 3 companies | View breakdown → | |
| Majority Element | Easy | 3 companies | View breakdown → | |
| Design Hit Counter | Medium | 3 companies | View breakdown → | |
| Split Array Largest Sum | Hard | 3 companies | View breakdown → | |
| First Missing Positive | Hard | 3 companies | View breakdown → | |
| Find the Width of Columns of a Grid | Easy | 1 companies | View breakdown → | |
| Design SQL | Medium | 1 companies | View breakdown → | |
| Partition Array Into Two Arrays to Minimize Sum Difference | Hard | 1 companies | View breakdown → | |
| Maximum Number of Points from Grid Queries | Hard | 1 companies | View breakdown → | |
| Remove Stones to Minimize the Total | Medium | 1 companies | View breakdown → | |
| Find the Largest Almost Missing Integer | Easy | 2 companies | View breakdown → | |
| Combination Sum II | Medium | 1 companies | View breakdown → | |
| Shortest Path in a Binary Matrix | Medium | 1 companies | View breakdown → | |
| First Unique Number | Medium | 1 companies | View breakdown → | |
| Binary Search | Easy | 1 companies | View breakdown → | |
| Longest Increasing Subsequence | Medium | 1 companies | View breakdown → | |
| Last Stone Weight II | Medium | 1 companies | View breakdown → | |
| Next Greater Element II | Medium | 1 companies | View breakdown → | |
| Range Sum Query - Immutable | Easy | 2 companies | View breakdown → | |
| Meeting Rooms III | Hard | 2 companies | View breakdown → | |
| Rotate Image | Medium | 2 companies | View breakdown → | |
| Last Stone Weight | Easy | 2 companies | View breakdown → | |
| Contains Duplicate II | Easy | 2 companies | View breakdown → | |
| Minimum Difficulty of a Job Schedule | Hard | 2 companies | View breakdown → | |
| Text Justification | Hard | 2 companies | View breakdown → | |
| Contains Duplicate | Easy | 2 companies | View breakdown → | |
| Combination Sum | Medium | 1 companies | View breakdown → | |
| Design Spreadsheet | Medium | 2 companies | View breakdown → | |
| Design Excel Sum Formula | Hard | 2 companies | View breakdown → | |
| RLE Iterator | Medium | 1 companies | View breakdown → | |
| Find the Length of the Longest Common Prefix | Medium | 1 companies | View breakdown → | |
| 3Sum Closest | Medium | 1 companies | View breakdown → | |
| 4Sum | Medium | 1 companies | View breakdown → | |
| Advantage Shuffle | Medium | 1 companies | View breakdown → | |
| Beautiful Arrangement | Medium | 1 companies | View breakdown → | |
| Binary Searchable Numbers in an Unsorted Array | Medium | 1 companies | View breakdown → | |
| Bus Routes | Hard | 1 companies | View breakdown → | |
| Can Place Flowers | Easy | 1 companies | View breakdown → | |
| Capacity To Ship Packages Within D Days | Medium | 1 companies | View breakdown → | |
| Check if Array Is Sorted and Rotated | Easy | 1 companies | View breakdown → | |
| Cinema Seat Allocation | Medium | 1 companies | View breakdown → | |
| Construct Quad Tree | Medium | 1 companies | View breakdown → | |
| Construct Uniform Parity Array I | Easy | 1 companies | View breakdown → | |
| Contains Duplicate III | Hard | 1 companies | View breakdown → | |
| Count Pairs of Connectable Servers in a Weighted Tree Network | Medium | 1 companies | View breakdown → | |
| Count Subarrays With Fixed Bounds | Hard | 1 companies | View breakdown → | |
| Count the Number of Infection Sequences | Hard | 1 companies | View breakdown → | |
| Count Vowel Strings in Ranges | Medium | 1 companies | View breakdown → | |
| Delete and Earn | Medium | 1 companies | View breakdown → | |
| Design a Food Rating System | Medium | 1 companies | View breakdown → | |
| Design Snake Game | Medium | 1 companies | View breakdown → | |
| Design Tic-Tac-Toe | Medium | 1 companies | View breakdown → | |
| Encode and Decode Strings | Medium | 1 companies | View breakdown → | |
| Exclusive Time of Functions | Medium | 1 companies | View breakdown → | |
| Final Prices With a Special Discount in a Shop | Easy | 1 companies | View breakdown → | |
| Jump Game | MEDIUM | 1 companies | View breakdown → | |
| Find Minimum in Rotated Sorted Array | MEDIUM | 1 companies | View breakdown → | |
| Find Peak Element | MEDIUM | 1 companies | View breakdown → | |
| Insert Interval | MEDIUM | 1 companies | View breakdown → | |
| Interval List Intersections | MEDIUM | 1 companies | View breakdown → | |
| Largest Rectangle in Histogram | HARD | 1 companies | View breakdown → | |
| Game of Life | MEDIUM | 1 companies | View breakdown → | |
| Find the Duplicate Number | MEDIUM | 1 companies | View breakdown → | |
| Largest Number | MEDIUM | 1 companies | View breakdown → | |
| House Robber II | MEDIUM | 1 companies | View breakdown → | |
| Longest String Chain | MEDIUM | 1 companies | View breakdown → | |
| Longest Mountain in Array | MEDIUM | 1 companies | View breakdown → | |
| Find K Closest Elements | MEDIUM | 1 companies | View breakdown → | |
| High-Access Employees | MEDIUM | 1 companies | View breakdown → | |
| Find Duplicate File in System | MEDIUM | 1 companies | View breakdown → | |
| Find the Safest Path in a Grid | MEDIUM | 1 companies | View breakdown → | |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | MEDIUM | 1 companies | View breakdown → | |
| Largest Local Values in a Matrix | EASY | 1 companies | View breakdown → | |
| Max Consecutive Ones III | MEDIUM | 1 companies | View breakdown → | |
| Maximum Average Subarray I | EASY | 1 companies | View breakdown → | |
| Minimum Absolute Difference | EASY | 1 companies | View breakdown → | |
| Minimum Cost For Tickets | MEDIUM | 1 companies | View breakdown → | |
| Maximum Product of Three Numbers | EASY | 1 companies | View breakdown → | |
| Minimum Operations to Make Array Non Decreasing | MEDIUM | 1 companies | View breakdown → | |
| Minimum Size Subarray Sum | MEDIUM | 1 companies | View breakdown → | |
| Maximum Sum of Distinct Subarrays With Length K | MEDIUM | 1 companies | View breakdown → | |
| Maximize Distance to Closest Person | MEDIUM | 1 companies | View breakdown → | |
| Permutations | MEDIUM | 1 companies | View breakdown → | |
| Plus One | EASY | 1 companies | View breakdown → | |
| Put Marbles in Bags | HARD | 1 companies | View breakdown → | |
| Rank Teams by Votes | MEDIUM | 1 companies | View breakdown → | |
| Rearranging Fruits | HARD | 1 companies | View breakdown → | |
| Remove Element | EASY | 1 companies | View breakdown → | |
| N-Queens | HARD | 1 companies | View breakdown → | |
| Minimum Cost to Hire K Workers | HARD | 1 companies | View breakdown → | |
| Minimum Cost to Reach Destination in Time | HARD | 1 companies | View breakdown → | |
| Minimum Number of Refueling Stops | HARD | 1 companies | View breakdown → | |
| Making A Large Island | HARD | 1 companies | View breakdown → | |
| Maximum Palindromes After Operations | MEDIUM | 1 companies | View breakdown → | |
| Maximum Team Size with Overlapping Intervals | MEDIUM | 1 companies | View breakdown → | |
| Minimum Removals to Balance Array | MEDIUM | 1 companies | View breakdown → | |
| Minimum Replacements to Sort the Array | HARD | 1 companies | View breakdown → | |
| Maximum Coins From K Consecutive Bags | MEDIUM | 1 companies | View breakdown → | |
| Maximum Score with Co-Prime Element | HARD | 1 companies | View breakdown → | |
| Maximize Amount After Two Days of Conversions | MEDIUM | 1 companies | View breakdown → | |
| Number of Flowers in Full Bloom | HARD | 1 companies | View breakdown → | |
| Number of Islands II | HARD | 1 companies | View breakdown → | |
| Number of Perfect Pairs | MEDIUM | 1 companies | View breakdown → | |
| Number of Visible People in a Queue | HARD | 1 companies | View breakdown → | |
| Number of Ways to Form a Target String Given a Dictionary | HARD | 1 companies | View breakdown → | |
| Optimal Account Balancing | HARD | 1 companies | View breakdown → | |
| Search a 2D Matrix | MEDIUM | 1 companies | View breakdown → | |
| Search Insert Position | EASY | 1 companies | View breakdown → | |
| Set Matrix Zeroes | MEDIUM | 1 companies | View breakdown → | |
| Single Number | EASY | 1 companies | View breakdown → | |
| Sort an Array | MEDIUM | 1 companies | View breakdown → | |
| Valid Sudoku | Medium | 1 companies | View breakdown → | |
| Summary Ranges | Easy | 1 companies | View breakdown → | |
| Set Mismatch | EASY | 1 companies | View breakdown → | |
| Smallest Missing Multiple of K | EASY | 1 companies | View breakdown → | |
| Subarray Product Less Than K | MEDIUM | 1 companies | View breakdown → | |
| Top K Frequent Words | MEDIUM | 1 companies | View breakdown → | |
| Shuffle an Array | MEDIUM | 1 companies | View breakdown → | |
| Pairs of Songs With Total Durations Divisible by 60 | MEDIUM | 1 companies | View breakdown → | |
| Sentence Similarity II | MEDIUM | 1 companies | View breakdown → | |
| The Earliest Moment When Everyone Become Friends | MEDIUM | 1 companies | View breakdown → | |
| The Time When the Network Becomes Idle | MEDIUM | 1 companies | View breakdown → | |
| Last Day Where You Can Still Cross | HARD | 1 companies | View breakdown → | |
| Leftmost Column with at Least a One | MEDIUM | 1 companies | View breakdown → | |
| Longest Substring of One Repeating Character | HARD | 1 companies | View breakdown → | |
| Make Lexicographically Smallest Array by Swapping Elements | MEDIUM | 1 companies | View breakdown → | |
| Reconstruct Itinerary | HARD | 1 companies | View breakdown → | |
| Russian Doll Envelopes | HARD | 1 companies | View breakdown → | |
| Shortest Path in a Grid with Obstacles Elimination | Hard | 1 companies | View breakdown → | |
| Sum of Matrix After Queries | Medium | 1 companies | View breakdown → | |
| Synonymous Sentences | MEDIUM | 1 companies | View breakdown → | |
| Unique Paths III | HARD | 1 companies | View breakdown → | |
| Word Break II | Hard | 1 companies | View breakdown → | |
| Missing Number | Easy | 4 companies | View breakdown → | |
| Word Search II | Hard | 5 companies | View breakdown → | |