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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1406. Stone Game III | Hard | 8.5% | TopicsArrayMathDynamic ProgrammingMinimaxGame TheoryZero-Sum Game |
| 895. Maximum Frequency Stack | Hard | 8.5% | TopicsHash TableStackDesignOrdered Set |
| 2270. Number of Ways to Split Array | Medium | 8.5% | TopicsArrayPrefix Sum |
| Heaters | Medium | 8.5% | TopicsArrayTwo PointersBinary SearchSorting |
| 2785. Sort Vowels in a String | Medium | 8.5% | TopicsStringSorting |
| 1400. Construct K Palindrome Strings | Medium | 8.5% | TopicsHash TableStringGreedyCounting |
| 2 Keys Keyboard | Medium | 8.5% | TopicsMathDynamic Programming |
| 2013. Detect Squares | Medium | 8.5% | TopicsArrayHash TableDesignCountingData Stream |
| 2215. Find the Difference of Two Arrays | Easy | 8.5% | TopicsArrayHash Table |
| 1368. Minimum Cost to Make at Least One Valid Path in a Grid | Hard | 8.5% | TopicsArrayBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixShortest Path0-1 BFSDijkstra's Algorithm |
| 2658. Maximum Number of Fish in a Grid | Medium | 8.5% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 2493. Divide Nodes Into the Maximum Number of Groups | Hard | 8.5% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 3151. Special Array I | Easy | 8.5% | TopicsArray |
| 2467. Most Profitable Path in a Tree | Medium | 8.5% | TopicsArrayTreeDepth-First SearchBreadth-First SearchGraph Theory |
| 1524. Number of Sub-arrays With Odd Sum | Medium | 8.5% | TopicsArrayMathDynamic ProgrammingPrefix Sum |
| 1074. Number of Submatrices That Sum to Target | Hard | 8.5% | TopicsArrayHash TableMatrixPrefix Sum |
| 1700. Number of Students Unable to Eat Lunch | Easy | 8.5% | TopicsArrayStackQueueSimulation |
| 2460. Apply Operations to an Array | Easy | 8.5% | TopicsArrayTwo PointersSimulation |
| 2579. Count Total Number of Colored Cells | Medium | 8.5% | TopicsMath |
| 947. Most Stones Removed with Same Row or Column | Medium | 8.5% | TopicsHash TableDepth-First SearchUnion-FindGraph TheoryBipartite Graph |
| 1552. Magnetic Force Between Two Balls | Medium | 8.5% | TopicsArrayBinary SearchSorting |
| 3217. Delete Nodes From Linked List Present in Array | Medium | 8.5% | TopicsArrayHash TableLinked List |
| 3356. Zero Array Transformation II | Medium | 8.5% | TopicsArrayTwo PointersBinary SearchPrefix Sum |
| Image Smoother | Easy | 8.5% | TopicsArrayMatrix |
| 2401. Longest Nice Subarray | Medium | 8.5% | TopicsArrayBit ManipulationSliding Window |
