Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 466 | Find All Groups of Farmland | Medium | ArrayDepth-First SearchBreadth-First Search |
| 467 | Find All K-Distant Indices in an Array | Easy | ArrayTwo Pointers |
| 468 | Find All Lonely Numbers in the Array | Medium | ArrayHash TableCounting |
| 469 | Find All Numbers Disappeared in an Array | Easy | ArrayHash Table |
| 470 | Find All Possible Recipes from Given Supplies | Medium | ArrayHash TableString |
| 471 | Find Anagram Mappings | Easy | ArrayHash Table |
| 472 | Find And Replace in String | Medium | ArrayHash TableString |
| 473 | Find and Replace Pattern | Medium | ArrayHash TableString |
| 474 | Find Array Given Subset Sums | Hard | ArrayDivide and Conquer |
| 475 | Find Building Where Alice and Bob Can Meet | Hard | ArrayBinary SearchStack |
| 476 | Find Champion I | Easy | ArrayMatrix |
| 477 | Find Closest Number to Zero | Easy | Array |
| 478 | Find Common Characters | Easy | ArrayHash TableString |
| 479 | Find Common Elements Between Two Arrays | Easy | ArrayHash Table |
| 480 | Find Duplicate File in System | Medium | ArrayHash TableString |
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