Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1904 | The Number of Full Rounds You Have Played | Medium | MathString |
| 1906 | Minimum Absolute Difference Queries | Medium | ArrayHash Table |
| 1907 | Count Salary Categories | Medium | Database |
| 1908 | Game of Nim | Medium | ArrayMathDynamic Programming |
| 1909 | Design Movie Rental System | Hard | ArrayHash TableDesign |
| 1909 | Remove One Element to Make the Array Strictly Increasing | Easy | Array |
| 1910 | Remove All Occurrences of a Substring | Medium | StringStackSimulation |
| 1911 | Cyclically Rotating a Grid | Medium | ArrayMatrixSimulation |
| 1911 | Maximum Alternating Subsequence Sum | Medium | ArrayDynamic Programming |
| 1913 | Maximum Product Difference Between Two Pairs | Easy | ArraySorting |
| 1915 | Number of Wonderful Substrings | Medium | Hash TableStringBit Manipulation |
| 1916 | Count Ways to Build Rooms in an Ant Colony | Hard | MathDynamic ProgrammingTree |
| 1917 | Leetcodify Friends Recommendations | Hard | Database |
| 1918 | Kth Smallest Subarray Sum | Medium | ArrayBinary SearchSliding Window |
| 1919 | Leetcodify Similar Friends | Hard | Database |
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