Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2851 | Score After Flipping Matrix | Medium | ArrayGreedyBit Manipulation |
| 2852 | Score of a String | Easy | String |
| 2853 | Score of Parentheses | Medium | StringStack |
| 2854 | Scramble String | Hard | StringDynamic Programming |
| 2855 | Search a 2D Matrix | Medium | ArrayBinary SearchMatrix |
| 2856 | Search a 2D Matrix II | Medium | ArrayBinary SearchDivide and Conquer |
| 2857 | Search in a Binary Search Tree | Easy | TreeBinary Search TreeBinary Tree |
| 2858 | Search in a Sorted Array of Unknown Size | Medium | ArrayBinary SearchInteractive |
| 2859 | Search in Rotated Sorted Array | Medium | ArrayBinary Search |
| 2860 | Search in Rotated Sorted Array II | Medium | ArrayBinary Search |
| 2861 | Search Insert Position | Easy | ArrayBinary Search |
| 2862 | Search Suggestions System | Medium | ArrayStringBinary Search |
| 2863 | Seat Reservation Manager | Medium | DesignHeap (Priority Queue) |
| 2864 | Second Day Verification | Easy | Database |
| 2865 | Second Highest Salary | Medium | Database |
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