Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 421 | Convert the Temperature | Easy | Math |
| 422 | Convert to Base -2 | Unknown | Math |
| 423 | Convex Polygon | Medium | ArrayMathGeometry |
| 424 | Coordinate With Maximum Network Quality | Medium | ArrayEnumeration |
| 425 | Copy List with Random Pointer | Medium | Hash TableLinked List |
| 426 | Corporate Flight Bookings | Medium | ArrayPrefix Sum |
| 427 | Correct a Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 428 | Count All Possible Routes | Hard | ArrayDynamic ProgrammingMemoization |
| 429 | Count All Valid Pickup and Delivery Options | Hard | MathDynamic ProgrammingCombinatorics |
| 430 | Count Almost Equal Pairs I | Medium | ArrayHash TableSorting |
| 431 | Count Almost Equal Pairs II | Hard | ArrayHash TableSorting |
| 432 | Count Alternating Subarrays | Medium | ArrayMath |
| 433 | Count Anagrams | Hard | Hash TableMathString |
| 434 | Count Apples and Oranges | Medium | Database |
| 435 | Count Array Pairs Divisible by K | Hard | ArrayMathNumber Theory |
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