Bloomberg
1239 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Unique Binary Search Trees II | Medium | 21.6% | TopicsDynamic ProgrammingBacktrackingTreeBinary Search TreeBinary Tree |
| Pascal's Triangle II | Easy | 21.6% | TopicsArrayDynamic Programming |
| Binary Search Tree Iterator | Medium | 21.6% | TopicsStackTreeDesignBinary Search TreeBinary TreeIterator |
| 191. Number of 1 Bits | Easy | 21.6% | TopicsDivide and ConquerBit Manipulation |
| Count Complete Tree Nodes | Medium | 21.6% | TopicsBinary SearchBit ManipulationTreeBinary Tree |
| Different Ways to Add Parentheses | Medium | 21.6% | TopicsMathStringDynamic ProgrammingRecursionMemoizationBracket Sequences |
| Ugly Number II | Medium | 21.6% | TopicsHash TableMathDynamic ProgrammingHeap (Priority Queue) |
| Range Sum Query 2D - Mutable | Medium | 21.6% | TopicsArrayDesignBinary Indexed TreeSegment TreeMatrixSqrt Decomposition |
| 312. Burst Balloons | Hard | 21.6% | TopicsArrayDynamic Programming |
| 350. Intersection of Two Arrays II | Easy | 21.6% | TopicsArrayHash TableTwo PointersBinary SearchSorting |
| 433. Minimum Genetic Mutation | Medium | 21.6% | TopicsHash TableStringBreadth-First SearchBidirectional Search |
| 452. Minimum Number of Arrows to Burst Balloons | Medium | 21.6% | TopicsArrayGreedySorting |
| Predict the Winner | Medium | 21.6% | TopicsArrayMathDynamic ProgrammingRecursionMinimaxGame TheoryZero-Sum Game |
| IPO | Hard | 21.6% | TopicsArrayGreedySortingHeap (Priority Queue) |
| Array Partition | Easy | 21.6% | TopicsArrayGreedySortingCounting Sort |
| 605. Can Place Flowers | Easy | 21.6% | TopicsArrayGreedy |
| Triangle Judgement | Easy | 21.6% | TopicsDatabase |
| 743. Network Delay Time | Medium | 21.6% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)Shortest PathDijkstra's Algorithm |
| 744. Find Smallest Letter Greater Than Target | Easy | 21.6% | TopicsArrayBinary Search |
| Search in a Binary Search Tree | Easy | 21.6% | TopicsTreeBinary Search TreeBinary Tree |
| 622. Design Circular Queue | Medium | 21.6% | TopicsArrayLinked ListDesignQueue |
| 846. Hand of Straights | Medium | 21.6% | TopicsArrayHash TableGreedySorting |
| 853. Car Fleet | Medium | 21.6% | TopicsArrayStackSortingMonotonic Stack |
| 856. Score of Parentheses | Medium | 21.6% | TopicsStringStackBracket Sequences |
| 877. Stone Game | Medium | 21.6% | TopicsArrayMathDynamic ProgrammingMinimaxGame TheoryZero-Sum Game |
