2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Employee Importance | Medium | 16.6% | TopicsArrayHash TableTreeDepth-First SearchBreadth-First Search |
| 758. Bold Words in String | Medium | 16.6% | TopicsArrayHash TableStringTrieString MatchingAho–Corasick Algorithm |
| 782. Transform to Chessboard | Hard | 16.6% | TopicsArrayMathBit ManipulationMatrix |
| 800. Similar RGB Color | Easy | 16.6% | TopicsMathStringEnumeration |
| 816. Ambiguous Coordinates | Medium | 16.6% | TopicsStringBacktrackingEnumeration |
| Random Flip Matrix | Medium | 16.6% | TopicsHash TableMathReservoir SamplingRandomized |
| 919. Complete Binary Tree Inserter | Medium | 16.6% | TopicsTreeBreadth-First SearchDesignBinary Tree |
| 954. Array of Doubled Pairs | Medium | 16.6% | TopicsArrayHash TableGreedySorting |
| 983. Minimum Cost For Tickets | Medium | 16.6% | TopicsArrayDynamic Programming |
| Shortest Way to Form String | Medium | 16.6% | TopicsTwo PointersStringBinary SearchGreedy |
| Campus Bikes | Medium | 16.6% | TopicsArraySortingHeap (Priority Queue) |
| 1066. Campus Bikes II | Medium | 16.6% | TopicsArrayDynamic ProgrammingBacktrackingBit ManipulationBitmaskHungarian AlgorithmBipartite GraphSuccessive Shortest Path AlgorithmMatching (Graph)Minimum-Cost FlowFlow Network |
| 1087. Brace Expansion | Medium | 16.6% | TopicsStringBacktrackingStackBreadth-First SearchSorting |
| 1088. Confusing Number II | Hard | 16.6% | TopicsMathBacktracking |
| 1023. Camelcase Matching | Medium | 16.6% | TopicsArrayTwo PointersStringTrieString Matching |
| 1121. Divide Array Into Increasing Sequences | Hard | 16.6% | TopicsArrayCounting |
| 1153. String Transforms Into Another String | Hard | 16.6% | TopicsHash TableStringGraph Theory |
| 1182. Shortest Distance to Target Color | Medium | 16.6% | TopicsArrayBinary SearchDynamic Programming |
| 1078. Occurrences After Bigram | Easy | 16.6% | TopicsString |
| 1199. Minimum Time to Build Blocks | Hard | 16.6% | TopicsArrayMathGreedyHeap (Priority Queue) |
| 1090. Largest Values From Labels | Medium | 16.6% | TopicsArrayHash TableGreedySortingCounting |
| 1245. Tree Diameter | Medium | 16.6% | TopicsTreeDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDP on Trees |
| 1619. Mean of Array After Removing Some Elements | Easy | 16.6% | TopicsArraySorting |
| 1286. Iterator for Combination | Medium | 16.6% | TopicsStringBacktrackingDesignIterator |
| 1144. Decrease Elements To Make Array Zigzag | Medium | 16.6% | TopicsArrayGreedy |
