Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2970 | Count the Number of Incremovable Subarrays I | Easy | ArrayTwo PointersBinary Search |
| 2971 | Find Polygon With the Largest Perimeter | Medium | ArrayGreedySorting |
| 2972 | Count the Number of Incremovable Subarrays II | Hard | ArrayTwo PointersBinary Search |
| 2973 | Find Number of Coins to Place in Tree Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 2974 | Minimum Cost to Convert String II | Hard | ArrayStringDynamic Programming |
| 2974 | Minimum Number Game | Easy | ArraySortingHeap (Priority Queue) |
| 2975 | Maximum Square Area by Removing Fences From a Field | Medium | ArrayHash TableEnumeration |
| 2976 | Minimum Cost to Convert String I | Medium | ArrayStringGraph |
| 2978 | Symmetric Coordinates | Medium | Database |
| 2979 | Most Expensive Item That Can Not Be Bought | Medium | MathDynamic ProgrammingNumber Theory |
| 2980 | Check if Bitwise OR Has Trailing Zeros | Easy | ArrayBit Manipulation |
| 2980 | Palindrome Rearrangement Queries | Hard | Hash TableStringPrefix Sum |
| 2981 | Find Longest Special Substring That Occurs Thrice I | Medium | Hash TableStringBinary Search |
| 2982 | Find Longest Special Substring That Occurs Thrice II | Medium | Hash TableStringBinary Search |
| 2984 | Find Peak Calling Hours for Each City | Medium | Database |
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