Practice problems across 75+ categories
Practice problems frequently asked at Sorting • 464 problems | 89 Easy | 273 Medium | 101 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 106 | Find Number of Coins to Place in Tree Nodes | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 107 | Find Original Array From Doubled Array | Medium | ArrayHash TableGreedy |
| 108 | Find Players With Zero or One Losses | Medium | ArrayHash TableSorting |
| 109 | Find Polygon With the Largest Perimeter | Medium | ArrayGreedySorting |
| 110 | Find Resultant Array After Removing Anagrams | Easy | ArrayHash TableString |
| 111 | Find Right Interval | Medium | ArrayBinary SearchSorting |
| 112 | Find Score of an Array After Marking All Elements | Medium | ArrayHash TableSorting |
| 113 | Find Subsequence of Length K With the Largest Sum | Easy | ArrayHash TableSorting |
| 114 | Find Target Indices After Sorting Array | Easy | ArrayBinary SearchSorting |
| 115 | Find the Difference | Easy | Hash TableStringBit Manipulation |
| 116 | Find the Distance Value Between Two Arrays | Easy | ArrayTwo PointersBinary Search |
| 117 | Find the Integer Added to Array II | Medium | ArrayTwo PointersSorting |
| 118 | Find the K-Sum of an Array | Hard | ArraySortingHeap (Priority Queue) |
| 119 | Find the Kth Largest Integer in the Array | Medium | ArrayStringDivide and Conquer |
| 120 | Find the Maximum Number of Marked Indices | Medium | ArrayTwo PointersBinary Search |
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