2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 864. Shortest Path to Get All Keys | Hard | 21% | TopicsArrayBit ManipulationBreadth-First SearchMatrix |
| Random Point in Non-overlapping Rectangles | Medium | 21% | TopicsArrayMathBinary SearchReservoir SamplingPrefix SumOrdered SetRandomized |
| 896. Monotonic Array | Easy | 21% | TopicsArray |
| 979. Distribute Coins in Binary Tree | Medium | 21% | TopicsTreeDepth-First SearchBinary TreeDP on Trees |
| 1046. Last Stone Weight | Easy | 21% | TopicsArrayHeap (Priority Queue) |
| 1268. Search Suggestions System | Medium | 21% | TopicsArrayStringBinary SearchTrieSortingHeap (Priority Queue) |
| 1488. Avoid Flood in The City | Medium | 21% | TopicsArrayHash TableBinary SearchGreedyHeap (Priority Queue) |
| 1572. Matrix Diagonal Sum | Easy | 21% | TopicsArrayMatrix |
| 1776. Car Fleet II | Hard | 21% | TopicsArrayMathStackHeap (Priority Queue)Monotonic Stack |
| Convert Object to JSON String | Medium | 21% | Topics— |
| Excel Sheet Column Number | Easy | 21% | TopicsMathString |
| 1109. Corporate Flight Bookings | Medium | 21% | TopicsArrayPrefix Sum |
| Lexicographical Numbers | Medium | 21% | TopicsDepth-First SearchTrie |
| 2560. House Robber IV | Medium | 21% | TopicsArrayBinary SearchDynamic ProgrammingGreedy |
| Self Dividing Numbers | Easy | 21% | TopicsMath |
| 2894. Divisible and Non-divisible Sums Difference | Easy | 21% | TopicsMath |
| 1780. Check if Number is a Sum of Powers of Three | Medium | 21% | TopicsMath |
| 2594. Minimum Time to Repair Cars | Medium | 21% | TopicsArrayBinary Search |
| 3494. Find the Minimum Amount of Time to Brew Potions | Medium | 21% | TopicsArraySimulationPrefix Sum |
| 3304. Find the K-th Character in String Game I | Easy | 21% | TopicsMathBit ManipulationRecursionSimulation |
| 1128. Number of Equivalent Domino Pairs | Easy | 21% | TopicsArrayHash TableCounting |
| 3574. Maximize Subarray GCD Score | Hard | 21% | TopicsArrayMathEnumerationNumber Theory |
| 3597. Partition String | Medium | 21% | TopicsHash TableStringTrieSimulation |
| 2574. Left and Right Sum Differences | Easy | 21% | TopicsArrayPrefix Sum |
| 869. Reordered Power of 2 | Medium | 21% | TopicsHash TableMathSortingCountingEnumeration |
