Practice problems across 75+ categories
Practice problems frequently asked at Hash Function • 39 problems | 4 Easy | 14 Medium | 19 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 16 | Find Substring With Given Hash Value | Hard | StringSliding WindowRolling Hash |
| 17 | K Divisible Elements Subarrays | Medium | ArrayHash TableTrie |
| 18 | Longest Chunked Palindrome Decomposition | Hard | Two PointersStringDynamic Programming |
| 19 | Longest Common Subpath | Hard | ArrayBinary SearchRolling Hash |
| 20 | Longest Duplicate Substring | Hard | StringBinary SearchSliding Window |
| 21 | Longest Happy Prefix | Hard | StringRolling HashString Matching |
| 22 | Longest Repeating Substring | Medium | StringBinary SearchDynamic Programming |
| 23 | Maximum Deletions on a String | Hard | StringDynamic ProgrammingRolling Hash |
| 24 | Maximum Length of Repeated Subarray | Medium | ArrayBinary SearchDynamic Programming |
| 25 | Maximum Product of the Length of Two Palindromic Substrings | Hard | StringRolling HashHash Function |
| 26 | Minimum Number of Valid Strings to Form Target I | Medium | ArrayStringBinary Search |
| 27 | Minimum Number of Valid Strings to Form Target II | Hard | ArrayStringBinary Search |
| 28 | Minimum Time to Revert Word to Initial State I | Medium | StringRolling HashString Matching |
| 29 | Minimum Time to Revert Word to Initial State II | Hard | StringRolling HashString Matching |
| 30 | Number of Distinct Islands | Unknown | Hash TableDepth-First SearchBreadth-First Search |
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