2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1352. Product of the Last K Numbers | Medium | 27.4% | TopicsArrayMathDesignData StreamPrefix Sum |
| 1498. Number of Subsequences That Satisfy the Given Sum Condition | Medium | 27.4% | TopicsArrayTwo PointersBinary SearchSorting |
| 1930. Unique Length-3 Palindromic Subsequences | Medium | 27.4% | TopicsHash TableStringBit ManipulationPrefix Sum |
| 1931. Painting a Grid With Three Different Colors | Hard | 27.4% | TopicsDynamic ProgrammingGraph Coloring |
| 2089. Find Target Indices After Sorting Array | Easy | 27.4% | TopicsArrayBinary SearchSorting |
| 2458. Height of Binary Tree After Subtree Removal Queries | Hard | 27.4% | TopicsArrayTreeDepth-First SearchBreadth-First SearchBinary Tree |
| Time Taken to Cross the Door | Hard | 27.4% | TopicsArrayQueueSimulation |
| 2779. Maximum Beauty of an Array After Applying Operation | Medium | 27.4% | TopicsArrayBinary SearchSliding WindowSorting |
| 97. Interleaving String | Medium | 27.4% | TopicsStringDynamic Programming |
| Pascal's Triangle II | Easy | 27.4% | TopicsArrayDynamic Programming |
| Dungeon Game | Hard | 27.4% | TopicsArrayDynamic ProgrammingMatrix |
| Integer to English Words | Hard | 27.4% | TopicsMathStringRecursion |
| 334. Increasing Triplet Subsequence | Medium | 27.4% | TopicsArrayGreedyLongest Increasing Subsequence |
| 132 Pattern | Medium | 27.4% | TopicsArrayBinary SearchStackMonotonic StackOrdered Set |
| 523. Continuous Subarray Sum | Medium | 27.4% | TopicsArrayHash TableMathPrefix SumPigeonhole Principle |
| My Calendar I | Medium | 27.4% | TopicsArrayBinary SearchDesignSegment TreeOrdered Set |
| Search in a Binary Search Tree | Easy | 27.4% | TopicsTreeBinary Search TreeBinary Tree |
| 785. Is Graph Bipartite? | Medium | 27.4% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
| 900. RLE Iterator | Medium | 27.4% | TopicsArrayDesignCountingIterator |
| 973. K Closest Points to Origin | Medium | 27.4% | TopicsArrayMathDivide and ConquerGeometrySortingHeap (Priority Queue)QuickselectK-D Tree |
| 1089. Duplicate Zeros | Easy | 27.4% | TopicsArrayTwo Pointers |
| User Activity for the Past 30 Days I | Easy | 27.4% | TopicsDatabase |
| Product Price at a Given Date | Medium | 27.4% | TopicsDatabase |
| 1717. Maximum Score From Removing Substrings | Medium | 27.4% | TopicsStringStackGreedy |
| 1518. Water Bottles | Easy | 27.4% | TopicsMathSimulation |
