Bloomberg
1239 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 682. Baseball Game | Easy | 32% | TopicsArrayStackSimulation |
| 57. Insert Interval | Medium | 29.9% | TopicsArray |
| Recover Binary Search Tree | Medium | 29.9% | TopicsTreeDepth-First SearchBinary Search TreeBinary Tree |
| 112. Path Sum | Easy | 29.9% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| Read N Characters Given read4 II - Call Multiple Times | Hard | 29.9% | TopicsArraySimulationInteractive |
| Nth Highest Salary | Medium | 29.9% | TopicsDatabase |
| Department Top Three Salaries | Hard | 29.9% | TopicsDatabase |
| Palindrome Permutation | Easy | 29.9% | TopicsHash TableStringBit Manipulation |
| Largest Divisible Subset | Medium | 29.9% | TopicsArrayMathDynamic ProgrammingSorting |
| Longest Palindrome | Easy | 29.9% | TopicsHash TableStringGreedy |
| Third Maximum Number | Easy | 29.9% | TopicsArraySorting |
| Find All Duplicates in an Array | Medium | 29.9% | TopicsArrayHash TableSorting |
| Exchange Seats | Medium | 29.9% | TopicsDatabase |
| 680. Valid Palindrome II | Easy | 29.9% | TopicsTwo PointersStringGreedy |
| 684. Redundant Connection | Medium | 29.9% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 695. Max Area of Island | Medium | 29.9% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 733. Flood Fill | Easy | 29.9% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 746. Min Cost Climbing Stairs | Easy | 29.9% | TopicsArrayDynamic Programming |
| 749. Contain Virus | Hard | 29.9% | TopicsArrayDepth-First SearchBreadth-First SearchMatrixSimulation |
| 767. Reorganize String | Medium | 29.9% | TopicsHash TableStringGreedySortingHeap (Priority Queue)Counting |
| 787. Cheapest Flights Within K Stops | Medium | 29.9% | TopicsDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)Shortest Path |
| 921. Minimum Add to Make Parentheses Valid | Medium | 29.9% | TopicsStringStackGreedyBracket Sequences |
| 1009. Complement of Base 10 Integer | Easy | 29.9% | TopicsBit Manipulation |
| 1104. Path In Zigzag Labelled Binary Tree | Medium | 29.9% | TopicsMathTreeBinary Tree |
| 1143. Longest Common Subsequence | Medium | 29.9% | TopicsStringDynamic ProgrammingLongest Common Subsequence |
