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93 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3Sum Smaller | Medium | 51.2% | TopicsArrayTwo PointersBinary SearchSorting |
| 780. Reaching Points | Hard | 51.2% | TopicsMathEuclidean AlgorithmGreatest Common Divisor |
| 78. Subsets | Medium | 51.2% | TopicsArrayBacktrackingBit Manipulation |
| 692. Top K Frequent Words | Medium | 51.2% | TopicsArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting |
| Average Selling Price | Easy | 51.2% | TopicsDatabase |
| 1319. Number of Operations to Make Network Connected | Medium | 51.2% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 4. Median of Two Sorted Arrays | Hard | 41.8% | TopicsArrayBinary SearchDivide and Conquer |
| 11. Container With Most Water | Medium | 41.8% | TopicsArrayTwo PointersGreedy |
| 3Sum | Medium | 41.8% | TopicsArrayTwo PointersSorting |
| 34. Find First and Last Position of Element in Sorted Array | Medium | 41.8% | TopicsArrayBinary Search |
| 42. Trapping Rain Water | Hard | 41.8% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 75. Sort Colors | Medium | 41.8% | TopicsArrayTwo PointersSortingQuicksortBubble Sort |
| 242. Valid Anagram | Easy | 41.8% | TopicsHash TableStringSorting |
| 1010. Pairs of Songs With Total Durations Divisible by 60 | Medium | 41.8% | TopicsArrayHash TableCounting |
| First Missing Positive | Hard | 41.8% | TopicsArrayHash Table |
| Flatten Deeply Nested Array | Medium | 41.8% | Topics— |
| 55. Jump Game | Medium | 41.8% | TopicsArrayDynamic ProgrammingGreedy |
| 875. Koko Eating Bananas | Medium | 41.8% | TopicsArrayBinary Search |
| 202. Happy Number | Easy | 41.8% | TopicsHash TableMathTwo PointersFloyd's Cycle Finding Algorithm |
| 207. Course Schedule | Medium | 41.8% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| Search a 2D Matrix II | Medium | 41.8% | TopicsArrayBinary SearchDivide and ConquerMatrix |
| 124. Binary Tree Maximum Path Sum | Hard | 41.8% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 283. Move Zeroes | Easy | 41.8% | TopicsArrayTwo Pointers |
| 994. Rotting Oranges | Medium | 41.8% | TopicsArrayBreadth-First SearchMatrix |
| 24. Swap Nodes in Pairs | Medium | 41.8% | TopicsLinked ListRecursion |
