2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 898. Bitwise ORs of Subarrays | Medium | 16.6% | TopicsArrayDynamic ProgrammingBit Manipulation |
| 1202. Smallest String With Swaps | Medium | 16.6% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-FindSorting |
| 2381. Shifting Letters II | Medium | 16.6% | TopicsArrayStringPrefix Sum |
| Nested List Weight Sum | Medium | 16.6% | TopicsDepth-First SearchBreadth-First Search |
| Insert Delete GetRandom O(1) - Duplicates allowed | Hard | 16.6% | TopicsArrayHash TableMathDesignRandomized |
| 3191. Minimum Operations to Make Binary Array Elements Equal to One I | Medium | 16.6% | TopicsArrayBit ManipulationQueueSliding WindowPrefix Sum |
| 3149. Find the Minimum Cost Array Permutation | Hard | 16.6% | TopicsArrayDynamic ProgrammingBit ManipulationBitmask |
| 3240. Minimum Number of Flips to Make Binary Grid Palindromic II | Medium | 16.6% | TopicsArrayTwo PointersMatrix |
| 1399. Count Largest Group | Easy | 16.6% | TopicsHash TableMathCounting |
| 1537. Get the Maximum Score | Hard | 16.6% | TopicsArrayTwo PointersDynamic ProgrammingGreedy |
| 3483. Unique 3-Digit Even Numbers | Easy | 16.6% | TopicsArrayHash TableRecursionEnumeration |
| 3593. Minimum Increments to Equalize Leaf Paths | Medium | 16.6% | TopicsArrayDynamic ProgrammingTreeDepth-First Search |
| 961. N-Repeated Element in Size 2N Array | Easy | 16.6% | TopicsArrayHash TablePigeonhole Principle |
| 1111. Maximum Nesting Depth of Two Valid Parentheses Strings | Medium | 16.6% | TopicsStringStackBracket Sequences |
| 3480. Maximize Subarrays After Removing One Conflicting Pair | Hard | 16.6% | TopicsArraySegment TreeEnumerationPrefix Sum |
| 2411. Smallest Subarrays With Maximum Bitwise OR | Medium | 16.6% | TopicsArrayBinary SearchBit ManipulationSliding Window |
| 2561. Rearranging Fruits | Hard | 16.6% | TopicsArrayHash TableGreedySort |
| 3636. Threshold Majority Queries | Hard | 16.6% | TopicsArrayHash TableBinary SearchDivide and ConquerCountingPrefix Sum |
| 1317. Convert Integer to the Sum of Two No-Zero Integers | Easy | 16.6% | TopicsMath |
| 3648. Minimum Sensors to Cover Grid | Medium | 16.6% | TopicsMath |
| 3665. Twisted Mirror Path Count | Medium | 16.6% | TopicsArrayDynamic ProgrammingMatrix |
| 2654. Minimum Number of Operations to Make All Array Elements Equal to 1 | Medium | 16.6% | TopicsArrayMathNumber TheoryEuclidean AlgorithmGreatest Common Divisor |
| 3756. Concatenate Non-Zero Digits and Multiply by Sum II | Medium | 16.6% | TopicsMathStringPrefix Sum |
| 3770. Largest Prime from Consecutive Prime Sum | Medium | 16.6% | TopicsArrayMathNumber Theory |
| 1925. Count Square Sum Triples | Easy | 16.6% | TopicsMathEnumeration |
