Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1456 | Number of Times Binary String Is Prefix-Aligned | Medium | Array |
| 1457 | Number of Unequal Triplets in Array | Easy | ArrayHash TableSorting |
| 1458 | Number of Unique Flavors After Sharing K Candies | Medium | ArrayHash TableSliding Window |
| 1459 | Number of Unique XOR Triplets I | Medium | ArrayMathBit Manipulation |
| 1460 | Number of Unique XOR Triplets II | Medium | ArrayMathBit Manipulation |
| 1461 | Number of Valid Move Combinations On Chessboard | Hard | ArrayStringBacktracking |
| 1462 | Number of Valid Subarrays | Hard | ArrayStackMonotonic Stack |
| 1463 | Number of Valid Words for Each Puzzle | Hard | ArrayHash TableString |
| 1464 | Number of Visible People in a Queue | Hard | ArrayStackMonotonic Stack |
| 1465 | Number of Ways of Cutting a Pizza | Hard | ArrayDynamic ProgrammingMemoization |
| 1466 | Number of Ways to Assign Edge Weights II | Hard | ArrayMathDynamic Programming |
| 1467 | Number of Ways to Build Sturdy Brick Wall | Medium | ArrayDynamic ProgrammingBit Manipulation |
| 1468 | Number of Ways to Earn Points | Hard | ArrayDynamic Programming |
| 1469 | Number of Ways to Form a Target String Given a Dictionary | Hard | ArrayStringDynamic Programming |
| 1470 | Number of Ways to Reorder Array to Get Same BST | Hard | ArrayMathDivide and Conquer |
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.
