Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1891 | Maximum Subarray Sum With Length Divisible by K | Medium | ArrayHash TablePrefix Sum |
| 1892 | Maximum Subarray Sum with One Deletion | Medium | ArrayDynamic Programming |
| 1893 | Maximum Subarray With Equal Products | Easy | ArrayMathSliding Window |
| 1894 | Maximum Subsequence Score | Medium | ArrayGreedySorting |
| 1895 | Maximum Subtree of the Same Color | Medium | ArrayDynamic ProgrammingTree |
| 1896 | Maximum Sum BST in Binary Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 1897 | Maximum Sum Circular Subarray | Medium | ArrayDivide and ConquerDynamic Programming |
| 1898 | Maximum Sum Obtained of Any Permutation | Medium | ArrayGreedySorting |
| 1899 | Maximum Sum of 3 Non-Overlapping Subarrays | Hard | ArrayDynamic ProgrammingSliding Window |
| 1900 | Maximum Sum of Almost Unique Subarray | Medium | ArrayHash TableSliding Window |
| 1901 | Maximum Sum of an Hourglass | Medium | ArrayMatrixPrefix Sum |
| 1902 | Maximum Sum of Distinct Subarrays With Length K | Medium | ArrayHash TableSliding Window |
| 1903 | Maximum Sum of Edge Values in a Graph | Hard | MathGreedyGraph |
| 1904 | Maximum Sum of Subsequence With Non-adjacent Elements | Hard | ArrayDivide and ConquerDynamic Programming |
| 1905 | Maximum Sum of Two Non-Overlapping Subarrays | Medium | ArrayDynamic ProgrammingSliding Window |
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