Rubrik
32 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3410. Maximize Subarray Sum After Removing All Occurrences of One Element | Hard | 100% | TopicsArrayHash TableDivide and ConquerDynamic ProgrammingSegment TreePrefix Sum |
| 3426. Manhattan Distances of All Arrangements of Pieces | Hard | 100% | TopicsMathCombinatorics |
| 2249. Count Lattice Points Inside a Circle | Medium | 95.8% | TopicsArrayHash TableMathGeometryEnumeration |
| 2132. Stamping the Grid | Hard | 88.7% | TopicsArrayGreedyMatrixPrefix Sum |
| 3525. Find X Value of Array II | Hard | 88.7% | TopicsArrayMathSegment Tree |
| 3524. Find X Value of Array I | Medium | 86.6% | TopicsArrayMathDynamic Programming |
| 3021. Alice and Bob Playing Flower Game | Medium | 84.2% | TopicsMath |
| 2928. Distribute Candies Among Children I | Easy | 81.5% | TopicsMathCombinatoricsEnumeration |
| 2929. Distribute Candies Among Children II | Medium | 81.5% | TopicsMathCombinatoricsEnumeration |
| Distribute Candies Among Children III | Hard | 81.5% | TopicsMathCombinatorics |
| Candy Crush | Medium | 81.5% | TopicsArrayTwo PointersMatrixSimulation |
| 3098. Find the Sum of Subsequence Powers | Hard | 81.5% | TopicsArrayDynamic ProgrammingSorting |
| 3083. Existence of a Substring in a String and Its Reverse | Easy | 81.5% | TopicsHash TableString |
| Random Pick with Weight | Medium | 81.5% | TopicsArrayMathBinary SearchPrefix SumRandomized |
| 146. LRU Cache | Medium | 70.7% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 1146. Snapshot Array | Medium | 65.7% | TopicsArrayHash TableBinary SearchDesignPersistent Data Structure |
| 2193. Minimum Number of Moves to Make Palindrome | Hard | 65.7% | TopicsTwo PointersStringGreedyBinary Indexed Tree |
| Next Permutation | Medium | 59.1% | TopicsArrayTwo Pointers |
| Web Crawler Multithreaded | Medium | 59.1% | TopicsDepth-First SearchBreadth-First SearchConcurrency |
| 2365. Task Scheduler II | Medium | 59.1% | TopicsArrayHash TableSimulation |
| 621. Task Scheduler | Medium | 49.9% | TopicsArrayHash TableGreedySortingHeap (Priority Queue)Counting |
| 3207. Maximum Points After Enemy Battles | Medium | 49.9% | TopicsArrayGreedy |
| Remove Invalid Parentheses | Hard | 49.9% | TopicsStringBacktrackingBreadth-First Search |
| Web Crawler | Medium | 49.9% | TopicsStringDepth-First SearchBreadth-First SearchInteractive |
| 2502. Design Memory Allocator | Medium | 49.9% | TopicsArrayHash TableDesignSimulation |
