Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1890 | The Latest Login in 2020 | Easy | Database |
| 1891 | Cutting Ribbons | Medium | ArrayBinary Search |
| 1892 | Page Recommendations II | Hard | Database |
| 1893 | Check if All the Integers in a Range Are Covered | Easy | ArrayHash TablePrefix Sum |
| 1893 | Minimum Cost to Change the Final Value of Expression | Hard | MathStringDynamic Programming |
| 1894 | Find the Student that Will Replace the Chalk | Medium | ArrayBinary SearchSimulation |
| 1895 | Largest Magic Square | Medium | ArrayMatrixPrefix Sum |
| 1897 | Redistribute Characters to Make All Strings Equal | Easy | Hash TableStringCounting |
| 1898 | Maximum Number of Removable Characters | Medium | ArrayTwo PointersString |
| 1899 | Merge Triplets to Form Target Triplet | Medium | ArrayGreedy |
| 1900 | The Earliest and Latest Rounds Where Players Compete | Hard | Dynamic ProgrammingMemoization |
| 1901 | Find a Peak Element II | Medium | ArrayBinary SearchMatrix |
| 1902 | Count Sub Islands | Medium | ArrayDepth-First SearchBreadth-First Search |
| 1902 | Depth of BST Given Insertion Order | Medium | ArrayTreeBinary Search Tree |
| 1903 | Largest Odd Number in String | Easy | MathStringGreedy |
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