Practice problems across 75+ categories
Practice problems frequently asked at Hash Table • 719 problems | 168 Easy | 418 Medium | 127 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 451 | Minimum Consecutive Cards to Pick Up | Medium | ArrayHash TableSliding Window |
| 452 | Minimum Cost to Split an Array | Hard | ArrayHash TableDynamic Programming |
| 453 | Minimum Deletions for At Most K Distinct Characters | Easy | Hash TableStringGreedy |
| 454 | Minimum Deletions to Make Character Frequencies Unique | Medium | Hash TableStringGreedy |
| 455 | Minimum Deletions to Make String K-Special | Medium | Hash TableStringGreedy |
| 456 | Minimum Genetic Mutation | Medium | Hash TableStringBreadth-First Search |
| 457 | Minimum Index of a Valid Split | Medium | ArrayHash TableSorting |
| 458 | Minimum Index Sum of Two Lists | Easy | ArrayHash TableString |
| 459 | Minimum Length of Anagram Concatenation | Medium | Hash TableStringCounting |
| 460 | Minimum Length of String After Operations | Medium | Hash TableStringCounting |
| 461 | Minimum Moves to Clean the Classroom | Medium | ArrayHash TableBit Manipulation |
| 462 | Minimum Moves to Make Array Complementary | Medium | ArrayHash TablePrefix Sum |
| 463 | Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | Hard | ArrayHash TableBit Manipulation |
| 464 | Minimum Number of Groups to Create a Valid Assignment | Medium | ArrayHash TableGreedy |
| 465 | Minimum Number of Keypresses | Medium | Hash TableStringGreedy |
Powerful online tools to boost your productivity
Coding Ground For Developers
Code, Edit, Run and ShareIgnite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.
