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1396 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3348. Smallest Divisible Digit Product II | Hard | 5% | TopicsMathStringBacktrackingGreedyNumber Theory |
| 2652. Sum Multiples | Easy | 5% | TopicsMath |
| 1051. Height Checker | Easy | 5% | TopicsArraySortingCounting SortBubble Sort |
| 3859. Count Subarrays With K Distinct Integers | Hard | 5% | TopicsArrayHash TableSliding WindowCounting |
| 2952. Minimum Number of Coins to be Added | Medium | 5% | TopicsArrayGreedySorting |
| 1395. Count Number of Teams | Medium | 5% | TopicsArrayDynamic ProgrammingBinary Indexed TreeSegment Tree |
| 3069. Distribute Elements Into Two Arrays I | Easy | 5% | TopicsArrayTwo PointersSimulation |
| 2529. Maximum Count of Positive Integer and Negative Integer | Easy | 5% | TopicsArrayBinary SearchCounting |
| 2520. Count the Digits That Divide a Number | Easy | 5% | TopicsMath |
| 890. Find and Replace Pattern | Medium | 5% | TopicsArrayHash TableString |
| DNA Pattern Recognition | Medium | 5% | TopicsDatabase |
| 2948. Make Lexicographically Smallest Array by Swapping Elements | Medium | 5% | TopicsArrayUnion-FindSorting |
| 3427. Sum of Variable Length Subarrays | Easy | 5% | TopicsArrayPrefix Sum |
| 751. IP to CIDR | Medium | 5% | TopicsStringBit Manipulation |
| Array Nesting | Medium | 5% | TopicsArrayDepth-First Search |
| 1018. Binary Prefix Divisible By 5 | Easy | 5% | TopicsArrayBit Manipulation |
| 3875. Construct Uniform Parity Array I | Easy | 5% | TopicsArrayMath |
| 894. All Possible Full Binary Trees | Medium | 5% | TopicsDynamic ProgrammingTreeRecursionMemoizationBinary Tree |
| 2019. The Score of Students Solving Math Expression | Hard | 5% | TopicsArrayHash TableMathStringDynamic ProgrammingStackMemoization |
| 3871. Count Commas in Range II | Medium | 5% | TopicsMath |
| Number of Unique Subjects Taught by Each Teacher | Easy | 5% | TopicsDatabase |
| 1694. Reformat Phone Number | Easy | 5% | TopicsString |
| 3483. Unique 3-Digit Even Numbers | Easy | 5% | TopicsArrayHash TableRecursionEnumeration |
| 3945. Digit Frequency Score | Easy | 5% | TopicsHash TableMath |
| 3414. Maximum Score of Non-overlapping Intervals | Hard | 5% | TopicsArrayBinary SearchDynamic ProgrammingSorting |
