Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 841 | Equal Row and Column Pairs | Medium | ArrayHash TableMatrix |
| 842 | Equal Sum Arrays With Minimum Number of Operations | Medium | ArrayHash TableGreedy |
| 843 | Equal Sum Grid Partition I | Medium | ArrayMatrixEnumeration |
| 844 | Equal Tree Partition | Medium | TreeDepth-First SearchBinary Tree |
| 845 | Equalize Strings by Adding or Removing Characters at Ends | Medium | StringBinary SearchDynamic Programming |
| 846 | Erect the Fence | Hard | ArrayMathGeometry |
| 847 | Erect the Fence II | Hard | ArrayMathGeometry |
| 848 | Escape a Large Maze | Hard | ArrayHash TableDepth-First Search |
| 849 | Escape The Ghosts | Medium | ArrayMath |
| 850 | Evaluate Boolean Binary Tree | Easy | TreeDepth-First SearchBinary Tree |
| 851 | Evaluate Boolean Expression | Medium | Database |
| 852 | Evaluate Division | Medium | ArrayStringDepth-First Search |
| 853 | Evaluate Reverse Polish Notation | Medium | ArrayMathStack |
| 854 | Evaluate the Bracket Pairs of a String | Medium | ArrayHash TableString |
| 855 | Even Odd Tree | Medium | TreeBreadth-First SearchBinary Tree |
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