Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 421 | Dungeon Game | Hard | ArrayDynamic ProgrammingMatrix |
| 422 | Duplicate Zeros | Easy | ArrayTwo Pointers |
| 423 | Earliest Possible Day of Full Bloom | Hard | ArrayGreedySorting |
| 424 | Earliest Second to Mark Indices I | Medium | ArrayBinary Search |
| 425 | Earliest Second to Mark Indices II | Hard | ArrayBinary SearchGreedy |
| 426 | Eat Pizzas! | Medium | ArrayGreedySorting |
| 427 | Element Appearing More Than 25% In Sorted Array | Easy | Array |
| 428 | Elements in Array After Removing and Replacing Elements | Medium | Array |
| 429 | Eliminate Maximum Number of Monsters | Medium | ArrayGreedySorting |
| 430 | Employee Free Time | Hard | ArrayLine SweepSorting |
| 431 | Employee Importance | Medium | ArrayHash TableTree |
| 432 | Encode and Decode Strings | Medium | ArrayStringDesign |
| 433 | Encrypt and Decrypt Strings | Hard | ArrayHash TableString |
| 434 | Equal Row and Column Pairs | Medium | ArrayHash TableMatrix |
| 435 | Equal Sum Arrays With Minimum Number of Operations | Medium | ArrayHash TableGreedy |
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.
