Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2731 | Number of Lines To Write String | Easy | ArrayString |
| 2732 | Number of Longest Increasing Subsequence | Medium | ArrayDynamic ProgrammingBinary Indexed Tree |
| 2733 | Number of Matching Subsequences | Medium | ArrayHash TableString |
| 2734 | Number of Music Playlists | Hard | MathDynamic ProgrammingCombinatorics |
| 2735 | Number of Nodes in the Sub-Tree With the Same Label | Medium | Hash TableTreeDepth-First Search |
| 2736 | Number of Nodes With Value One | Medium | ArrayTreeDepth-First Search |
| 2737 | Number of Operations to Make Network Connected | Medium | Depth-First SearchBreadth-First SearchUnion Find |
| 2738 | Number of Orders in the Backlog | Medium | ArrayHeap (Priority Queue)Simulation |
| 2739 | Number of Pairs of Interchangeable Rectangles | Medium | ArrayHash TableMath |
| 2740 | Number of Pairs of Strings With Concatenation Equal to Target | Medium | ArrayHash TableString |
| 2741 | Number of Pairs Satisfying Inequality | Hard | ArrayBinary SearchDivide and Conquer |
| 2742 | Number of Paths with Max Score | Hard | ArrayDynamic ProgrammingMatrix |
| 2743 | Number of People Aware of a Secret | Medium | Dynamic ProgrammingQueueSimulation |
| 2744 | Number of People That Can Be Seen in a Grid | Medium | ArrayStackMatrix |
| 2745 | Number of Possible Sets of Closing Branches | Hard | Bit ManipulationGraphHeap (Priority Queue) |
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