Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 91 | Bold Words in String | Medium | ArrayHash TableString |
| 92 | Bomb Enemy | Medium | ArrayDynamic ProgrammingMatrix |
| 93 | Brick Wall | Medium | ArrayHash Table |
| 94 | Bricks Falling When Hit | Hard | ArrayUnion FindMatrix |
| 95 | Brightest Position on Street | Medium | ArraySortingPrefix Sum |
| 96 | Build a Matrix With Conditions | Hard | ArrayGraphTopological Sort |
| 97 | Build an Array With Stack Operations | Medium | ArrayStackSimulation |
| 98 | Build Array from Permutation | Easy | ArraySimulation |
| 99 | Buildings With an Ocean View | Medium | ArrayStackMonotonic Stack |
| 100 | Burst Balloons | Hard | ArrayDynamic Programming |
| 101 | Bus Routes | Hard | ArrayHash TableBreadth-First Search |
| 102 | Button with Longest Push Time | Easy | Array |
| 103 | Buy Two Chocolates | Easy | ArrayGreedySorting |
| 104 | Calculate Amount Paid in Taxes | Easy | ArraySimulation |
| 105 | Calculate Score After Performing Instructions | Medium | ArrayHash TableString |
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