2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2360. Longest Cycle in a Graph | Hard | 8.2% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortKosaraju's AlgorithmTarjan's SCC Algorithm |
| 2385. Amount of Time for Binary Tree to Be Infected | Medium | 8.2% | TopicsHash TableTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 2441. Largest Positive Integer That Exists With Its Negative | Easy | 8.2% | TopicsArrayHash TableTwo PointersSorting |
| Maximum Length of Pair Chain | Medium | 8.2% | TopicsArrayDynamic ProgrammingGreedySortingLongest Increasing Subsequence |
| Function Composition | Easy | 8.2% | Topics— |
| Check if Object Instance of Class | Medium | 8.2% | Topics— |
| 2785. Sort Vowels in a String | Medium | 8.2% | TopicsStringSorting |
| 850. Rectangle Area II | Hard | 8.2% | TopicsArraySegment TreeSweep LineOrdered Set |
| 953. Verifying an Alien Dictionary | Easy | 8.2% | TopicsArrayHash TableString |
| 1382. Balance a Binary Search Tree | Medium | 8.2% | TopicsDivide and ConquerGreedyTreeDepth-First SearchBinary Search TreeBinary Tree |
| 1255. Maximum Score Words Formed by Letters | Hard | 8.2% | TopicsArrayHash TableStringDynamic ProgrammingBacktrackingBit ManipulationCountingBitmask |
| 1637. Widest Vertical Area Between Two Points Containing No Points | Easy | 8.2% | TopicsArraySorting |
| 1696. Jump Game VI | Medium | 8.2% | TopicsArrayDynamic ProgrammingQueueHeap (Priority Queue)Monotonic Queue |
| 1845. Seat Reservation Manager | Medium | 8.2% | TopicsDesignHeap (Priority Queue) |
| 1926. Nearest Exit from Entrance in Maze | Medium | 8.2% | TopicsArrayBreadth-First SearchMatrix |
| 1763. Longest Nice Substring | Easy | 8.2% | TopicsHash TableStringDivide and ConquerBit ManipulationSliding Window |
| 3190. Find Minimum Operations to Make All Elements Divisible by Three | Easy | 8.2% | TopicsArrayMath |
| 1684. Count the Number of Consistent Strings | Easy | 8.2% | TopicsArrayHash TableStringBit ManipulationCounting |
| 3147. Taking Maximum Energy From the Mystic Dungeon | Medium | 8.2% | TopicsArrayDynamic ProgrammingPrefix Sum |
| 3165. Maximum Sum of Subsequence With Non-adjacent Elements | Hard | 8.2% | TopicsArrayDivide and ConquerDynamic ProgrammingSegment Tree |
| 1029. Two City Scheduling | Medium | 8.2% | TopicsArrayGreedySortingHungarian AlgorithmSuccessive Shortest Path Algorithm |
| 3337. Total Characters in String After Transformations II | Hard | 8.2% | TopicsHash TableMathStringDynamic ProgrammingCounting |
| 1886. Determine Whether Matrix Can Be Obtained By Rotation | Easy | 8.2% | TopicsArrayMatrix |
| 1185. Day of the Week | Easy | 8.2% | TopicsMath |
| 3254. Find the Power of K-Size Subarrays I | Medium | 8.2% | TopicsArraySliding Window |
