Bloomberg
1239 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Count of Smaller Numbers After Self | Hard | 27.5% | TopicsArrayBinary SearchDivide and ConquerBinary Indexed TreeSegment TreeMerge SortOrdered SetTreap |
| 374. Guess Number Higher or Lower | Easy | 27.5% | TopicsBinary SearchInteractive |
| Repeated Substring Pattern | Easy | 27.5% | TopicsStringString MatchingZ AlgorithmKnuth–Morris–Pratt Algorithm |
| Island Perimeter | Easy | 27.5% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 542. 01 Matrix | Medium | 27.5% | TopicsArrayDynamic ProgrammingBreadth-First SearchMatrix |
| 633. Sum of Square Numbers | Medium | 27.5% | TopicsMathTwo PointersBinary Search |
| Candy Crush | Medium | 27.5% | TopicsArrayTwo PointersMatrixSimulation |
| 981. Time Based Key-Value Store | Medium | 27.5% | TopicsHash TableStringBinary SearchDesign |
| 1431. Kids With the Greatest Number of Candies | Easy | 27.5% | TopicsArray |
| 1498. Number of Subsequences That Satisfy the Given Sum Condition | Medium | 27.5% | TopicsArrayTwo PointersBinary SearchSorting |
| 1512. Number of Good Pairs | Easy | 27.5% | TopicsArrayHash TableMathCounting |
| The Number of Employees Which Report to Each Employee | Easy | 27.5% | TopicsDatabase |
| 2560. House Robber IV | Medium | 27.5% | TopicsArrayBinary SearchDynamic ProgrammingGreedy |
| Counter | Easy | 27.5% | Topics— |
| 1910. Remove All Occurrences of a Substring | Medium | 27.5% | TopicsStringStackSimulation |
| Delete Duplicate Emails | Easy | 27.5% | TopicsDatabase |
| Product Sales Analysis I | Easy | 27.5% | TopicsDatabase |
| 1295. Find Numbers with Even Number of Digits | Easy | 27.5% | TopicsArrayMath |
| 1079. Letter Tile Possibilities | Medium | 27.5% | TopicsHash TableStringBacktrackingCounting |
| 2094. Finding 3-Digit Even Numbers | Easy | 27.5% | TopicsArrayHash TableRecursionSortingEnumeration |
| 1631. Path With Minimum Effort | Medium | 27.5% | TopicsArrayBinary SearchDepth-First SearchBreadth-First SearchUnion-FindHeap (Priority Queue)MatrixDijkstra's Algorithm |
| Perfect Number | Easy | 27.5% | TopicsMath |
| 572. Subtree of Another Tree | Easy | 27.5% | TopicsTreeDepth-First SearchString MatchingBinary TreeHash Function |
| Count Binary Substrings | Easy | 27.5% | TopicsTwo PointersString |
| 1658. Minimum Operations to Reduce X to Zero | Medium | 27.5% | TopicsArrayHash TableBinary SearchSliding WindowPrefix Sum |