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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2250. Count Number of Rectangles Containing Each Point | Medium | 5% | TopicsArrayHash TableBinary SearchBinary Indexed TreeSorting |
| 1360. Number of Days Between Two Dates | Easy | 5% | TopicsMathString |
| 3318. Find X-Sum of All K-Long Subarrays I | Easy | 5% | TopicsArrayHash TableSliding WindowHeap (Priority Queue) |
| 2296. Design a Text Editor | Hard | 5% | TopicsLinked ListStringStackDesignSimulationDoubly-Linked List |
| 2028. Find Missing Observations | Medium | 5% | TopicsArrayMathSimulation |
| 3542. Minimum Operations to Convert All Elements to Zero | Medium | 5% | TopicsArrayHash TableStackGreedyMonotonic Stack |
| 2536. Increment Submatrices by One | Medium | 5% | TopicsArrayMatrixPrefix Sum |
| 1437. Check If All 1's Are at Least Length K Places Away | Easy | 5% | TopicsArray |
| 1337. The K Weakest Rows in a Matrix | Easy | 5% | TopicsArrayBinary SearchSortingHeap (Priority Queue)Matrix |
| 2154. Keep Multiplying Found Values by Two | Easy | 5% | TopicsArrayHash TableSortingSimulation |
| 3Sum Smaller | Medium | 5% | TopicsArrayTwo PointersBinary SearchSorting |
| 757. Set Intersection Size At Least Two | Hard | 5% | TopicsArrayGreedySorting |
| Maximum Binary Tree | Medium | 5% | TopicsArrayDivide and ConquerStackTreeMonotonic StackBinary TreeCartesian Tree |
| Shortest Distance in a Plane | Medium | 5% | TopicsDatabaseNearest Pair of Points |
| 1015. Smallest Integer Divisible by K | Medium | 5% | TopicsHash TableMathPigeonhole Principle |
| Capital Gain/Loss | Medium | 5% | TopicsDatabase |
| 2760. Longest Even Odd Subarray With Threshold | Easy | 5% | TopicsArraySliding Window |
| 3623. Count Number of Trapezoids I | Medium | 5% | TopicsArrayHash TableMathGeometry |
| 3495. Minimum Operations to Make Array Elements Zero | Hard | 5% | TopicsArrayMathBit Manipulation |
| 3577. Count the Number of Computer Unlocking Permutations | Medium | 5% | TopicsArrayMathBrainteaserCombinatorics |
| 1696. Jump Game VI | Medium | 5% | TopicsArrayDynamic ProgrammingQueueHeap (Priority Queue)Monotonic Queue |
| 2054. Two Best Non-Overlapping Events | Medium | 5% | TopicsArrayBinary SearchDynamic ProgrammingSortingHeap (Priority Queue) |
| 3732. Maximum Product of Three Elements After One Replacement | Medium | 5% | TopicsArrayMathGreedySorting |
| 3690. Split and Merge Array Transformation | Medium | 5% | TopicsArrayHash TableBreadth-First Search |
| Rearrange Products Table | Easy | 5% | TopicsDatabase |
