2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2255. Count Prefixes of a Given String | Easy | 18.2% | TopicsArrayString |
| Minimum Flips in Binary Tree to Get Result | Hard | 18.2% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary Tree |
| 2315. Count Asterisks | Easy | 18.2% | TopicsString |
| 2363. Merge Similar Items | Easy | 18.2% | TopicsArrayHash TableSortingOrdered Set |
| Finding the Number of Visible Mountains | Medium | 18.2% | TopicsArrayStackSortingMonotonic Stack |
| 2416. Sum of Prefix Scores of Strings | Hard | 18.2% | TopicsArrayStringTrieCounting |
| 2426. Number of Pairs Satisfying Inequality | Hard | 18.2% | TopicsArrayBinary SearchDivide and ConquerBinary Indexed TreeSegment TreeMerge SortOrdered Set |
| 2478. Number of Beautiful Partitions | Hard | 18.2% | TopicsStringDynamic ProgrammingPrefix Sum |
| 2531. Make Number of Distinct Characters Equal | Medium | 18.2% | TopicsHash TableStringCounting |
| 2536. Increment Submatrices by One | Medium | 18.2% | TopicsArrayMatrixPrefix Sum |
| 2601. Prime Subtraction Operation | Medium | 18.2% | TopicsArrayMathBinary SearchGreedyNumber Theory |
| Sleep | Easy | 18.2% | Topics— |
| 2763. Sum of Imbalance Numbers of All Subarrays | Hard | 18.2% | TopicsArrayHash TableEnumeration |
| 2817. Minimum Absolute Difference Between Elements With Constraint | Medium | 18.2% | TopicsArrayBinary SearchOrdered Set |
| 2851. String Transformation | Hard | 18.2% | TopicsMathStringDynamic ProgrammingString Matching |
| 2982. Find Longest Special Substring That Occurs Thrice II | Medium | 18.2% | TopicsHash TableStringBinary SearchSliding WindowCounting |
| 3093. Longest Common Suffix Queries | Hard | 18.2% | TopicsArrayStringTrie |
| 3153. Sum of Digit Differences of All Pairs | Medium | 18.2% | TopicsArrayHash TableMathCounting |
| 1937. Maximum Number of Points with Cost | Medium | 18.2% | TopicsArrayDynamic ProgrammingMatrix |
| 2025. Maximum Number of Ways to Partition an Array | Hard | 18.2% | TopicsArrayHash TableCountingEnumerationPrefix Sum |
| 2130. Maximum Twin Sum of a Linked List | Medium | 18.2% | TopicsLinked ListTwo PointersStack |
| Single Number III | Medium | 18.2% | TopicsArrayBit Manipulation |
| Closest Binary Search Tree Value | Easy | 18.2% | TopicsBinary SearchTreeDepth-First SearchBinary Search TreeBinary Tree |
| 2260. Minimum Consecutive Cards to Pick Up | Medium | 18.2% | TopicsArrayHash TableSliding Window |
| Root Equals Sum of Children | Easy | 18.2% | TopicsTreeBinary Tree |
