Uber
336 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 5. Longest Palindromic Substring | Medium | 40% | TopicsTwo PointersStringDynamic ProgrammingManacher |
| 48. Rotate Image | Medium | 40% | TopicsArrayMathMatrix |
| 57. Insert Interval | Medium | 40% | TopicsArray |
| 875. Koko Eating Bananas | Medium | 40% | TopicsArrayBinary Search |
| 1584. Min Cost to Connect All Points | Medium | 40% | TopicsArrayUnion-FindGraph TheoryMinimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm |
| 2493. Divide Nodes Into the Maximum Number of Groups | Hard | 40% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 2467. Most Profitable Path in a Tree | Medium | 40% | TopicsArrayTreeDepth-First SearchBreadth-First SearchGraph Theory |
| 2672. Number of Adjacent Elements With the Same Color | Medium | 40% | TopicsArray |
| 24 Game | Hard | 40% | TopicsArrayMathBacktracking |
| 1423. Maximum Points You Can Obtain from Cards | Medium | 40% | TopicsArraySliding WindowPrefix Sum |
| 2503. Maximum Number of Points From Grid Queries | Hard | 40% | TopicsArrayTwo PointersBreadth-First SearchUnion-FindSortingHeap (Priority Queue)Matrix |
| 4. Median of Two Sorted Arrays | Hard | 35.4% | TopicsArrayBinary SearchDivide and Conquer |
| 14. Longest Common Prefix | Easy | 35.4% | TopicsArrayStringTrie |
| 34. Find First and Last Position of Element in Sorted Array | Medium | 35.4% | TopicsArrayBinary Search |
| 42. Trapping Rain Water | Hard | 35.4% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 46. Permutations | Medium | 35.4% | TopicsArrayBacktracking |
| 124. Binary Tree Maximum Path Sum | Hard | 35.4% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| 198. House Robber | Medium | 35.4% | TopicsArrayDynamic Programming |
| 214. Shortest Palindrome | Hard | 35.4% | TopicsStringRolling HashString MatchingHash FunctionManacherZ AlgorithmKnuth–Morris–Pratt Algorithm |
| LFU Cache | Hard | 35.4% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 621. Task Scheduler | Medium | 35.4% | TopicsArrayHash TableGreedySortingHeap (Priority Queue)Counting |
| 792. Number of Matching Subsequences | Medium | 35.4% | TopicsArrayHash TableStringBinary SearchDynamic ProgrammingTrieSorting |
| 855. Exam Room | Medium | 35.4% | TopicsDesignHeap (Priority Queue)Ordered Set |
| 953. Verifying an Alien Dictionary | Easy | 35.4% | TopicsArrayHash TableString |
| 1814. Count Nice Pairs in an Array | Medium | 35.4% | TopicsArrayHash TableMathCounting |
