Bloomberg
1239 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 263. Ugly Number | Easy | 34% | TopicsMath |
| Sum of Two Integers | Medium | 34% | TopicsMathBit Manipulation |
| Find All Numbers Disappeared in an Array | Easy | 34% | TopicsArrayHash Table |
| Delete Node in a BST | Medium | 34% | TopicsTreeBinary Search TreeBinary Tree |
| 494. Target Sum | Medium | 34% | TopicsArrayDynamic ProgrammingBacktrackingKnapsack Problem0-1 Knapsack |
| Shortest Path to Get Food | Medium | 34% | TopicsArrayBreadth-First SearchMatrix |
| 621. Task Scheduler | Medium | 34% | TopicsArrayHash TableGreedySortingHeap (Priority Queue)Counting |
| 645. Set Mismatch | Easy | 34% | TopicsArrayHash TableBit ManipulationSorting |
| 662. Maximum Width of Binary Tree | Medium | 34% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| Best Time to Buy and Sell Stock with Transaction Fee | Medium | 34% | TopicsArrayDynamic ProgrammingGreedy |
| 724. Find Pivot Index | Easy | 34% | TopicsArrayPrefix Sum |
| 881. Boats to Save People | Medium | 34% | TopicsArrayTwo PointersGreedySortingTimsort |
| 993. Cousins in Binary Tree | Easy | 34% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 1235. Maximum Profit in Job Scheduling | Hard | 34% | TopicsArrayBinary SearchDynamic ProgrammingSorting |
| 1358. Number of Substrings Containing All Three Characters | Medium | 34% | TopicsHash TableStringSliding Window |
| 1480. Running Sum of 1d Array | Easy | 34% | TopicsArrayPrefix Sum |
| 1609. Even Odd Tree | Medium | 34% | TopicsTreeBreadth-First SearchBinary Tree |
| 1922. Count Good Numbers | Medium | 34% | TopicsMathRecursion |
| 2035. Partition Array Into Two Arrays to Minimize Sum Difference | Hard | 34% | TopicsArrayTwo PointersBinary SearchDynamic ProgrammingBit ManipulationMeet in the MiddleSortingOrdered SetBitmask |
| 214. Shortest Palindrome | Hard | 34% | TopicsStringRolling HashString MatchingHash FunctionManacherZ AlgorithmKnuth–Morris–Pratt Algorithm |
| Power of Three | Easy | 34% | TopicsMathRecursion |
| Permutation Sequence | Hard | 34% | TopicsMathRecursion |
| 182. Duplicate Emails | Easy | 34% | TopicsDatabase |
| Repeated DNA Sequences | Medium | 32% | TopicsHash TableStringBit ManipulationSliding WindowRolling HashHash FunctionZ AlgorithmBoyer–Moore String-Search Algorithm |
| 228. Summary Ranges | Easy | 32% | TopicsArray |
