Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 196 | Capital Gain/Loss | Medium | Database |
| 197 | Capitalize the Title | Easy | String |
| 198 | Car Fleet | Medium | ArrayStackSorting |
| 199 | Car Fleet II | Hard | ArrayMathStack |
| 200 | Card Flipping Game | Medium | ArrayHash Table |
| 201 | Cat and Mouse | Hard | MathDynamic ProgrammingGraph |
| 202 | Cat and Mouse II | Hard | ArrayMathDynamic Programming |
| 203 | Categorize Box According to Criteria | Easy | Math |
| 204 | Cells in a Range on an Excel Sheet | Easy | String |
| 205 | Cells with Odd Values in a Matrix | Easy | ArrayMathSimulation |
| 206 | CEO Subordinate Hierarchy | Hard | Database |
| 207 | Champagne Tower | Medium | Dynamic Programming |
| 208 | Change Minimum Characters to Satisfy One of Three Conditions | Medium | Hash TableStringCounting |
| 209 | Change Null Values in a Table to the Previous Value | Unknown | Database |
| 210 | Change the Root of a Binary Tree | Medium | TreeDepth-First SearchBinary Tree |
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.
