Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1486 | Longest Common Prefix | Easy | ArrayStringTrie |
| 1487 | Longest Common Prefix After at Most One Removal | Medium | Two PointersString |
| 1488 | Longest Common Prefix Between Adjacent Strings After Removals | Medium | ArrayString |
| 1489 | Longest Common Prefix of K Strings After Removal | Hard | ArrayStringTrie |
| 1490 | Longest Common Subpath | Hard | ArrayBinary SearchRolling Hash |
| 1491 | Longest Common Subsequence | Medium | StringDynamic Programming |
| 1492 | Longest Common Subsequence Between Sorted Arrays | Medium | ArrayHash TableCounting |
| 1493 | Longest Common Suffix Queries | Hard | ArrayStringTrie |
| 1494 | Longest Continuous Increasing Subsequence | Easy | Array |
| 1495 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | ArrayQueueSliding Window |
| 1496 | Longest Cycle in a Graph | Hard | Depth-First SearchBreadth-First SearchGraph |
| 1497 | Longest Duplicate Substring | Hard | StringBinary SearchSliding Window |
| 1498 | Longest Even Odd Subarray With Threshold | Easy | ArraySliding Window |
| 1499 | Longest Happy Prefix | Hard | StringRolling HashString Matching |
| 1500 | Longest Happy String | Medium | StringGreedyHeap (Priority Queue) |
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