Visa
150 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Text Justification | Hard | 100% | TopicsArrayStringSimulation |
| 3459. Length of Longest V-Shaped Diagonal Segment | Hard | 98% | TopicsArrayDynamic ProgrammingMemoizationMatrix |
| 3. Longest Substring Without Repeating Characters | Medium | 95.7% | TopicsHash TableStringSliding Window |
| 1. Two Sum | Easy | 94.5% | TopicsArrayHash Table |
| 1861. Rotating the Box | Medium | 94.5% | TopicsArrayTwo PointersMatrix |
| 3071. Minimum Operations to Write the Letter Y on a Grid | Medium | 91.9% | TopicsArrayHash TableMatrixCounting |
| 3Sum | Medium | 90.5% | TopicsArrayTwo PointersSorting |
| 146. LRU Cache | Medium | 89.1% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 3043. Find the Length of the Longest Common Prefix | Medium | 87.5% | TopicsArrayHash TableStringTrie |
| 3046. Split the Array | Easy | 85.8% | TopicsArrayHash TableCounting |
| 121. Best Time to Buy and Sell Stock | Easy | 84% | TopicsArrayDynamic Programming |
| 56. Merge Intervals | Medium | 84% | TopicsArraySortingQuicksort |
| 3161. Block Placement Queries | Hard | 79.9% | TopicsArrayBinary SearchBinary Indexed TreeSegment TreeOrdered Set |
| 2768. Number of Black Blocks | Medium | 79.9% | TopicsArrayHash TableEnumeration |
| 49. Group Anagrams | Medium | 77.5% | TopicsArrayHash TableStringSorting |
| 1389. Create Target Array in the Given Order | Easy | 77.5% | TopicsArraySimulation |
| 2672. Number of Adjacent Elements With the Same Color | Medium | 77.5% | TopicsArray |
| 42. Trapping Rain Water | Hard | 75% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| Simplify Path | Medium | 75% | TopicsStringStack |
| 5. Longest Palindromic Substring | Medium | 72.1% | TopicsTwo PointersStringDynamic ProgrammingManacher |
| 20. Valid Parentheses | Easy | 72.1% | TopicsStringStackBracket Sequences |
| 1025. Divisor Game | Easy | 72.1% | TopicsMathDynamic ProgrammingBrainteaserGame TheoryImpartial Game |
| 2049. Count Nodes With the Highest Score | Medium | 72.1% | TopicsArrayTreeDepth-First SearchBinary TreeDP on Trees |
| 2078. Two Furthest Houses With Different Colors | Easy | 72.1% | TopicsArrayGreedy |
| 2136. Earliest Possible Day of Full Bloom | Hard | 72.1% | TopicsArrayGreedySorting |
