Practice problems across 75+ categories
Practice problems frequently asked at Hash Function • 39 problems | 4 Easy | 14 Medium | 19 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 31 | Number of Distinct Islands II | Hard | Hash TableDepth-First SearchBreadth-First Search |
| 32 | Number of Distinct Substrings in a String | Unknown | StringTrieRolling Hash |
| 33 | Number of Subarrays That Match a Pattern I | Medium | ArrayRolling HashString Matching |
| 34 | Number of Subarrays That Match a Pattern II | Hard | ArrayRolling HashString Matching |
| 35 | Repeated DNA Sequences | Medium | Hash TableStringBit Manipulation |
| 36 | Shortest Palindrome | Hard | StringRolling HashString Matching |
| 37 | Strings Differ by One Character | Medium | Hash TableStringRolling Hash |
| 38 | Subtree of Another Tree | Easy | TreeDepth-First SearchString Matching |
| 39 | Sum of Scores of Built Strings | Hard | StringBinary SearchRolling Hash |
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