Practice problems across 75+ categories
Practice problems frequently asked at Google • 3407 problems | 851 Easy | 1775 Medium | 761 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1621 | Map of Highest Peak | Medium | ArrayBreadth-First SearchMatrix |
| 1622 | Map Sum Pairs | Medium | Hash TableStringDesign |
| 1623 | Mark Elements on Array by Performing Queries | Medium | ArrayHash TableSorting |
| 1624 | Market Analysis II | Hard | Database |
| 1625 | Market Analysis III | Medium | Database |
| 1626 | Masking Personal Information | Medium | String |
| 1627 | Match Alphanumerical Pattern in Matrix I | Medium | ArrayHash TableString |
| 1628 | Match Substring After Replacement | Hard | ArrayHash TableString |
| 1629 | Matchsticks to Square | Medium | ArrayDynamic ProgrammingBacktracking |
| 1630 | Matrix Block Sum | Medium | ArrayMatrixPrefix Sum |
| 1631 | Matrix Cells in Distance Order | Easy | ArrayMathGeometry |
| 1632 | Matrix Diagonal Sum | Easy | ArrayMatrix |
| 1633 | Matrix Similarity After Cyclic Shifts | Easy | ArrayMathMatrix |
| 1634 | Max Area of Island | Medium | ArrayDepth-First SearchBreadth-First Search |
| 1635 | Max Chunks To Make Sorted | Medium | ArrayStackGreedy |
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.
