Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 856 | Event Emitter | Medium | JavaScript |
| 857 | Exam Room | Medium | DesignHeap (Priority Queue)Ordered Set |
| 858 | Excel Sheet Column Number | Easy | MathString |
| 859 | Excel Sheet Column Title | Easy | MathString |
| 860 | Exchange Seats | Medium | Database |
| 861 | Exclusive Time of Functions | Medium | ArrayStack |
| 862 | Execute Asynchronous Functions in Parallel | Medium | JavaScript |
| 863 | Execution of All Suffix Instructions Staying in a Grid | Medium | StringSimulation |
| 864 | Existence of a Substring in a String and Its Reverse | Easy | Hash TableString |
| 865 | Expression Add Operators | Hard | MathStringBacktracking |
| 866 | Expressive Words | Medium | ArrayTwo PointersString |
| 867 | Extra Characters in a String | Medium | ArrayHash TableString |
| 868 | Extract Kth Character From The Rope Tree | Easy | TreeDepth-First SearchBinary Tree |
| 869 | Factorial Generator | Easy | JavaScript |
| 870 | Factorial Trailing Zeroes | Medium | Math |
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