2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1351. Count Negative Numbers in a Sorted Matrix | Easy | 19.7% | TopicsArrayBinary SearchMatrix |
| 1494. Parallel Courses II | Hard | 19.7% | TopicsDynamic ProgrammingBit ManipulationGraph TheoryBitmaskDirected Acyclic Graph |
| 1499. Max Value of Equation | Hard | 19.7% | TopicsArrayQueueSliding WindowHeap (Priority Queue)Monotonic Queue |
| 1503. Last Moment Before All Ants Fall Out of a Plank | Medium | 19.7% | TopicsArrayBrainteaserSimulation |
| Find Root of N-Ary Tree | Medium | 19.7% | TopicsHash TableBit ManipulationTreeDepth-First Search |
| 1594. Maximum Non Negative Product in a Matrix | Medium | 19.7% | TopicsArrayDynamic ProgrammingMatrix |
| 1703. Minimum Adjacent Swaps for K Consecutive Ones | Hard | 19.7% | TopicsArrayGreedySliding WindowPrefix Sum |
| 1713. Minimum Operations to Make a Subsequence | Hard | 19.7% | TopicsArrayHash TableBinary SearchGreedyLongest Increasing Subsequence |
| 1813. Sentence Similarity III | Medium | 19.7% | TopicsArrayTwo PointersString |
| 1828. Queries on Number of Points Inside a Circle | Medium | 19.7% | TopicsArrayMathGeometry |
| 1857. Largest Color Value in a Directed Graph | Hard | 19.7% | TopicsHash TableStringDynamic ProgrammingGraph TheoryTopological SortMemoizationCountingDirected Acyclic Graph |
| 1899. Merge Triplets to Form Target Triplet | Medium | 19.7% | TopicsArrayGreedy |
| 1915. Number of Wonderful Substrings | Medium | 19.7% | TopicsHash TableStringBit ManipulationPrefix Sum |
| Cutting Ribbons | Medium | 19.7% | TopicsArrayBinary Search |
| Find a Peak Element II | Medium | 19.7% | TopicsArrayBinary SearchMatrix |
| 1921. Eliminate Maximum Number of Monsters | Medium | 19.7% | TopicsArrayGreedySorting |
| Kth Smallest Subarray Sum | Medium | 19.7% | TopicsArrayBinary SearchSliding Window |
| 1987. Number of Unique Good Subsequences | Hard | 19.7% | TopicsStringDynamic Programming |
| 2088. Count Fertile Pyramids in a Land | Hard | 19.7% | TopicsArrayDynamic ProgrammingMatrix |
| 2126. Destroying Asteroids | Medium | 19.7% | TopicsArrayGreedySorting |
| 2196. Create Binary Tree From Descriptions | Medium | 19.7% | TopicsArrayHash TableTreeBinary Tree |
| 2190. Most Frequent Number Following Key In an Array | Easy | 19.7% | TopicsArrayHash TableCounting |
| 2283. Check if Number Has Equal Digit Count and Digit Value | Easy | 19.7% | TopicsHash TableStringCounting |
| 2311. Longest Binary Subsequence Less Than or Equal to K | Medium | 19.7% | TopicsStringDynamic ProgrammingGreedyMemoization |
| 2424. Longest Uploaded Prefix | Medium | 19.7% | TopicsHash TableBinary SearchUnion-FindDesignBinary Indexed TreeSegment TreeHeap (Priority Queue)Ordered Set |
