Practice problems across 75+ categories
Practice problems frequently asked at Array • 1947 problems | 398 Easy | 1049 Medium | 497 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1786 | Subarray Sum Equals K | Medium | ArrayHash TablePrefix Sum |
| 1787 | Subarray Sums Divisible by K | Medium | ArrayHash TablePrefix Sum |
| 1788 | Subarray With Elements Greater Than Varying Threshold | Hard | ArrayStackUnion Find |
| 1789 | Subarrays Distinct Element Sum of Squares I | Easy | ArrayHash Table |
| 1790 | Subarrays Distinct Element Sum of Squares II | Hard | ArrayDynamic ProgrammingBinary Indexed Tree |
| 1791 | Subarrays with K Different Integers | Hard | ArrayHash TableSliding Window |
| 1792 | Subdomain Visit Count | Medium | ArrayHash TableString |
| 1793 | Subrectangle Queries | Medium | ArrayDesignMatrix |
| 1794 | Subsequence of Size K With the Largest Even Sum | Medium | ArrayGreedySorting |
| 1795 | Subsequences with a Unique Middle Mode I | Hard | ArrayHash TableMath |
| 1796 | Subsequences with a Unique Middle Mode II | Hard | ArrayHash TableMath |
| 1797 | Subsets | Medium | ArrayBacktrackingBit Manipulation |
| 1798 | Subsets II | Medium | ArrayBacktrackingBit Manipulation |
| 1799 | Substring With Largest Variance | Hard | ArrayDynamic Programming |
| 1800 | Substring XOR Queries | Medium | ArrayHash TableString |
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.
