2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2269. Find the K-Beauty of a Number | Easy | 5% | TopicsMathStringSliding Window |
| DNA Pattern Recognition | Medium | 5% | TopicsDatabase |
| Find COVID Recovery Patients | Medium | 5% | TopicsDatabase |
| 2470. Number of Subarrays With LCM Equal to K | Medium | 5% | TopicsArrayMathNumber Theory |
| 3732. Maximum Product of Three Elements After One Replacement | Medium | 5% | TopicsArrayMathGreedySorting |
| 2090. K Radius Subarray Averages | Medium | 5% | TopicsArraySliding Window |
| 1784. Check if Binary String Has at Most One Segment of Ones | Easy | 5% | TopicsString |
| 2895. Minimum Processing Time | Medium | 5% | TopicsArrayGreedySorting |
| 3296. Minimum Number of Seconds to Make Mountain Height Zero | Medium | 5% | TopicsArrayMathBinary SearchGreedyHeap (Priority Queue) |
| 1583. Count Unhappy Friends | Medium | 5% | TopicsArraySimulation |
| 1017. Convert to Base -2 | Medium | 5% | TopicsMath |
| 2946. Matrix Similarity After Cyclic Shifts | Easy | 5% | TopicsArrayMathMatrixSimulation |
| Daily Leads and Partners | Easy | 5% | TopicsDatabase |
| 2368. Reachable Nodes With Restrictions | Medium | 5% | TopicsArrayHash TableTreeDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 3710. Maximum Partition Factor | Hard | 5% | TopicsArrayBinary SearchDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| Random Pick Index | Medium | 5% | TopicsHash TableMathReservoir SamplingRandomized |
| Timeout Cancellation | Easy | 5% | Topics— |
| 2097. Valid Arrangement of Pairs | Hard | 5% | TopicsArrayDepth-First SearchGraph TheoryEulerian CircuitEulerian PathSemi-Eulerian Graph |
| 3740. Minimum Distance Between Three Equal Elements I | Easy | 5% | TopicsArrayHash Table |
| 3882. Minimum XOR Path in a Grid | Medium | 5% | TopicsArrayDynamic ProgrammingBit ManipulationMatrix |
| 3741. Minimum Distance Between Three Equal Elements II | Medium | 5% | TopicsArrayHash Table |
| 1848. Minimum Distance to the Target Element | Easy | 5% | TopicsArray |
| 3894. Traffic Signal Color | Easy | 5% | TopicsMathStringSimulation |
| 2858. Minimum Edge Reversals So Every Node Is Reachable | Hard | 5% | TopicsDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph Theory |
| 3448. Count Substrings Divisible By Last Digit | Hard | 5% | TopicsStringDynamic Programming |
