Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1934 | Maximum Number of Points with Cost | Medium | ArrayDynamic ProgrammingMatrix |
| 1935 | Maximum Number of Words You Can Type | Easy | Hash TableString |
| 1936 | Add Minimum Number of Rungs | Medium | ArrayGreedy |
| 1938 | Maximum Genetic Difference Query | Hard | ArrayHash TableBit Manipulation |
| 1939 | Users That Actively Request Confirmation Messages | Easy | Database |
| 1940 | Longest Common Subsequence Between Sorted Arrays | Medium | ArrayHash TableCounting |
| 1941 | Check if All Characters Have Equal Number of Occurrences | Easy | Hash TableStringCounting |
| 1942 | The Number of the Smallest Unoccupied Chair | Medium | ArrayHash TableHeap (Priority Queue) |
| 1943 | Describe the Painting | Medium | ArrayHash TableSorting |
| 1944 | Number of Visible People in a Queue | Hard | ArrayStackMonotonic Stack |
| 1945 | Sum of Digits of String After Convert | Easy | StringSimulation |
| 1946 | Largest Number After Mutating Substring | Medium | ArrayStringGreedy |
| 1947 | Maximum Compatibility Score Sum | Medium | ArrayDynamic ProgrammingBacktracking |
| 1948 | Delete Duplicate Folders in System | Hard | ArrayHash TableString |
| 1949 | Strong Friendship | Medium | Database |
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