Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 571 | Count K-Subsequences of a String With Maximum Beauty | Hard | Hash TableMathString |
| 572 | Count Largest Group | Easy | Hash TableMath |
| 573 | Count Lattice Points Inside a Circle | Medium | ArrayHash TableMath |
| 574 | Count Leaf Nodes | Medium | TreesBinary TreeTraversal |
| 575 | Count Mentions Per User | Medium | ArrayMathSorting |
| 576 | Count Negative Numbers in a Sorted Matrix | Easy | ArrayBinary SearchMatrix |
| 577 | Count Nice Pairs in an Array | Medium | ArrayHash TableMath |
| 578 | Count Nodes Equal to Average of Subtree | Medium | TreeDepth-First SearchBinary Tree |
| 579 | Count Nodes Equal to Sum of Descendants | Medium | TreeDepth-First SearchBinary Tree |
| 580 | Count Nodes That Are Great Enough | Hard | Divide and ConquerTreeDepth-First Search |
| 581 | Count Nodes With the Highest Score | Medium | ArrayTreeDepth-First Search |
| 582 | Count Non-Decreasing Subarrays After K Operations | Hard | ArrayStackSegment Tree |
| 583 | Count Number of Bad Pairs | Medium | ArrayHash TableMath |
| 584 | Count Number of Balanced Permutations | Hard | MathStringDynamic Programming |
| 585 | Count Number of Distinct Integers After Reverse Operations | Medium | ArrayHash TableMath |
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