Visa
150 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 134. Gas Station | Medium | 55.2% | TopicsArrayGreedy |
| 3651. Minimum Cost Path with Teleportations | Hard | 55.2% | TopicsArrayDynamic ProgrammingMatrix |
| 2680. Maximum OR | Medium | 55.2% | TopicsArrayGreedyBit ManipulationPrefix Sum |
| 1963. Minimum Number of Swaps to Make the String Balanced | Medium | 55.2% | TopicsTwo PointersStringStackGreedyBracket Sequences |
| 3919. Minimum Cost to Move Between Indices | Medium | 55.2% | TopicsArrayGreedyPrefix Sum |
| 14. Longest Common Prefix | Easy | 48.2% | TopicsArrayStringTrie |
| 286. Walls and Gates | Medium | 48.2% | TopicsArrayBreadth-First SearchMatrix |
| 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | 48.2% | TopicsArrayQueueSliding WindowHeap (Priority Queue)Ordered SetMonotonic Queue |
| 127. Word Ladder | Hard | 48.2% | TopicsHash TableStringBreadth-First SearchBidirectional Search |
| 93. Restore IP Addresses | Medium | 48.2% | TopicsStringBacktracking |
| 11. Container With Most Water | Medium | 48.2% | TopicsArrayTwo PointersGreedy |
| 792. Number of Matching Subsequences | Medium | 48.2% | TopicsArrayHash TableStringBinary SearchDynamic ProgrammingTrieSorting |
| 110. Balanced Binary Tree | Easy | 48.2% | TopicsTreeDepth-First SearchBinary Tree |
| 295. Find Median from Data Stream | Hard | 48.2% | TopicsTwo PointersDesignSortingHeap (Priority Queue)Data Stream |
| 202. Happy Number | Easy | 48.2% | TopicsHash TableMathTwo PointersFloyd's Cycle Finding Algorithm |
| Add Strings | Easy | 48.2% | TopicsMathStringSimulation |
| 2502. Design Memory Allocator | Medium | 48.2% | TopicsArrayHash TableDesignSimulation |
| 3019. Number of Changing Keys | Easy | 48.2% | TopicsString |
| 3652. Best Time to Buy and Sell Stock using Strategy | Medium | 48.2% | TopicsArraySliding WindowPrefix Sum |
| 1648. Sell Diminishing-Valued Colored Balls | Medium | 48.2% | TopicsArrayMathBinary SearchGreedySortingHeap (Priority Queue) |
| 846. Hand of Straights | Medium | 48.2% | TopicsArrayHash TableGreedySorting |
| 131. Palindrome Partitioning | Medium | 48.2% | TopicsStringDynamic ProgrammingBacktracking |
| 2466. Count Ways To Build Good Strings | Medium | 48.2% | TopicsDynamic Programming |
| 928. Minimize Malware Spread II | Hard | 48.2% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 924. Minimize Malware Spread | Hard | 48.2% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
