Zeta
27 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2896. Apply Operations to Make Two Strings Equal | Medium | 100% | TopicsStringDynamic Programming |
| Split Array Largest Sum | Hard | 81.9% | TopicsArrayBinary SearchDynamic ProgrammingGreedyPrefix Sum |
| 621. Task Scheduler | Medium | 74.4% | TopicsArrayHash TableGreedySortingHeap (Priority Queue)Counting |
| 1011. Capacity To Ship Packages Within D Days | Medium | 74.4% | TopicsArrayBinary Search |
| 42. Trapping Rain Water | Hard | 74.4% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 76. Minimum Window Substring | Hard | 74.4% | TopicsHash TableStringSliding Window |
| Palindrome Partitioning II | Hard | 74.4% | TopicsStringDynamic Programming |
| Remove Boxes | Hard | 74.4% | TopicsArrayDynamic ProgrammingMemoization |
| 3. Longest Substring Without Repeating Characters | Medium | 63.9% | TopicsHash TableStringSliding Window |
| Count Univalue Subtrees | Medium | 63.9% | TopicsTreeDepth-First SearchBinary TreeDP on Trees |
| Insert Delete GetRandom O(1) | Medium | 63.9% | TopicsArrayHash TableMathDesignRandomized |
| 402. Remove K Digits | Medium | 63.9% | TopicsStringStackGreedyMonotonic Stack |
| Maximal Rectangle | Hard | 63.9% | TopicsArrayDynamic ProgrammingStackMatrixMonotonic Stack |
| Heaters | Medium | 63.9% | TopicsArrayTwo PointersBinary SearchSorting |
| 53. Maximum Subarray | Medium | 63.9% | TopicsArrayDivide and ConquerDynamic Programming |
| 2115. Find All Possible Recipes from Given Supplies | Medium | 63.9% | TopicsArrayHash TableStringGraph TheoryTopological SortDirected Acyclic Graph |
| Sliding Window Maximum | Hard | 63.9% | TopicsArrayQueueSliding WindowHeap (Priority Queue)Monotonic QueueRange Minimum/Maximum Query |
| 2616. Minimize the Maximum Difference of Pairs | Medium | 63.9% | TopicsArrayBinary SearchDynamic ProgrammingGreedySorting |
| 968. Binary Tree Cameras | Hard | 63.9% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 698. Partition to K Equal Sum Subsets | Medium | 63.9% | TopicsArrayDynamic ProgrammingBacktrackingBit ManipulationMemoizationBitmask |
| Guess Number Higher or Lower II | Medium | 63.9% | TopicsMathDynamic ProgrammingMinimaxGame Theory |
| 2381. Shifting Letters II | Medium | 63.9% | TopicsArrayStringPrefix Sum |
| 56. Merge Intervals | Medium | 63.9% | TopicsArraySortingQuicksort |
| 4. Median of Two Sorted Arrays | Hard | 63.9% | TopicsArrayBinary SearchDivide and Conquer |
| 979. Distribute Coins in Binary Tree | Medium | 63.9% | TopicsTreeDepth-First SearchBinary TreeDP on Trees |
