2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Dota2 Senate | Medium | 12.8% | TopicsStringGreedyQueue |
| Group Sold Products By The Date | Easy | 12.8% | TopicsDatabase |
| 3286. Find a Safe Walk Through a Grid | Medium | 12.8% | TopicsArrayBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixShortest Path |
| 3312. Sorted GCD Pair Queries | Hard | 12.8% | TopicsArrayHash TableMathBinary SearchCombinatoricsCountingNumber TheoryPrefix SumEuclidean AlgorithmGreatest Common Divisor |
| Remove Boxes | Hard | 12.8% | TopicsArrayDynamic ProgrammingMemoization |
| 1229. Meeting Scheduler | Medium | 12.8% | TopicsArrayTwo PointersSorting |
| 2044. Count Number of Maximum Bitwise-OR Subsets | Medium | 12.8% | TopicsArrayBacktrackingBit ManipulationEnumeration |
| 3163. String Compression III | Medium | 12.8% | TopicsString |
| 1652. Defuse the Bomb | Easy | 12.8% | TopicsArraySliding Window |
| 2516. Take K of Each Character From Left and Right | Medium | 12.8% | TopicsHash TableStringSliding Window |
| 2257. Count Unguarded Cells in the Grid | Medium | 12.8% | TopicsArrayMatrixSimulation |
| 1019. Next Greater Node In Linked List | Medium | 12.8% | TopicsArrayLinked ListStackMonotonic Stack |
| 3371. Identify the Largest Outlier in an Array | Medium | 12.8% | TopicsArrayHash TableCountingEnumeration |
| 2182. Construct String With Repeat Limit | Medium | 12.8% | TopicsHash TableStringGreedyHeap (Priority Queue)Counting |
| 2415. Reverse Odd Levels of Binary Tree | Medium | 12.8% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| 1312. Minimum Insertion Steps to Make a String Palindrome | Hard | 12.8% | TopicsStringDynamic Programming |
| 1791. Find Center of Star Graph | Easy | 12.8% | TopicsGraph Theory |
| 1154. Day of the Year | Easy | 12.8% | TopicsMathString |
| 1408. String Matching in an Array | Easy | 12.8% | TopicsArrayStringString Matching |
| 2661. First Completely Painted Row or Column | Medium | 12.8% | TopicsArrayHash TableMatrix |
| 3160. Find the Number of Distinct Colors Among the Balls | Medium | 12.8% | TopicsArrayHash TableSimulation |
| 2187. Minimum Time to Complete Trips | Medium | 12.8% | TopicsArrayBinary Search |
| 1718. Construct the Lexicographically Largest Valid Sequence | Medium | 12.8% | TopicsArrayBacktracking |
| Design Excel Sum Formula | Hard | 12.8% | TopicsArrayHash TableStringGraph TheoryDesignTopological SortMatrix |
| Parse Lisp Expression | Hard | 12.8% | TopicsHash TableStringStackRecursion |
