Practice problems across 75+ categories
Practice problems frequently asked at Divide and Conquer • 50 problems | 7 Easy | 26 Medium | 17 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 16 | Create Sorted Array through Instructions | Hard | ArrayBinary SearchDivide and Conquer |
| 17 | Design Most Recently Used Queue | Medium | ArrayLinked ListDivide and Conquer |
| 18 | Fill a Special Grid | Medium | ArrayDivide and ConquerMatrix |
| 19 | Find Array Given Subset Sums | Hard | ArrayDivide and Conquer |
| 20 | Find Kth Largest XOR Coordinate Value | Medium | ArrayDivide and ConquerBit Manipulation |
| 21 | Find the Index of Permutation | Medium | ArrayBinary SearchDivide and Conquer |
| 22 | Find the Kth Largest Integer in the Array | Medium | ArrayStringDivide and Conquer |
| 23 | K Closest Points to Origin | Medium | ArrayMathDivide and Conquer |
| 24 | Kth Largest Element in an Array | Medium | ArrayDivide and ConquerSorting |
| 25 | Logical OR of Two Binary Grids Represented as Quad-Trees | Easy | Divide and ConquerTree |
| 26 | Longest Increasing Subsequence II | Hard | ArrayDivide and ConquerDynamic Programming |
| 27 | Longest Nice Substring | Easy | Hash TableStringDivide and Conquer |
| 28 | Longest Substring with At Least K Repeating Characters | Medium | Hash TableStringDivide and Conquer |
| 29 | Majority Element | Easy | ArrayHash TableDivide and Conquer |
| 30 | Maximum Binary Tree | Medium | ArrayDivide and ConquerStack |
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