2324 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3862. Find the Smallest Balanced Index | Medium | 5% | TopicsArrayPrefix Sum |
| Fizz Buzz Multithreaded | Medium | 5% | TopicsConcurrency |
| 3900. Longest Balanced Substring After One Swap | Medium | 5% | TopicsHash TableStringPrefix Sum |
| 2801. Count Stepping Numbers in Range | Hard | 5% | TopicsStringDynamic Programming |
| 1391. Check if There is a Valid Path in a Grid | Medium | 5% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| 3082. Find the Sum of the Power of All Subsequences | Hard | 5% | TopicsArrayDynamic ProgrammingKnapsack Problem0-1 Knapsack |
| First Unique Number | Medium | 5% | TopicsArrayHash TableDesignQueueData Stream |
| 3569. Maximize Count of Distinct Primes After Split | Hard | 5% | TopicsArrayHash TableMathSegment TreeNumber TheoryOrdered Set |
| Sales Person | Easy | 5% | TopicsDatabase |
| 3932. Count K-th Roots in a Range | Medium | 5% | TopicsMathBinary Search |
| 831. Masking Personal Information | Medium | 5% | TopicsString |
| 801. Minimum Swaps To Make Sequences Increasing | Hard | 5% | TopicsArrayDynamic Programming |
| 3377. Digit Operations to Make Two Integers Equal | Medium | 5% | TopicsMathGraph TheoryHeap (Priority Queue)Number TheoryShortest Path |
| 1131. Maximum of Absolute Value Expression | Medium | 5% | TopicsArrayMath |
| 3615. Longest Palindromic Path in Graph | Hard | 5% | TopicsStringDynamic ProgrammingBit ManipulationGraph TheoryBitmask |
| 1711. Count Good Meals | Medium | 5% | TopicsArrayHash Table |
| 2951. Find the Peaks | Easy | 5% | TopicsArrayEnumeration |
| 1646. Get Maximum in Generated Array | Easy | 5% | TopicsArraySimulation |
| 3691. Maximum Total Subarray Value II | Hard | 5% | TopicsArrayGreedySegment TreeHeap (Priority Queue) |
| 2608. Shortest Cycle in a Graph | Hard | 5% | TopicsBreadth-First SearchGraph Theory |
| 3961. Maximize Sum of Device Ratings | Medium | 5% | TopicsArrayGreedySortingMatrix |
| 2001. Number of Pairs of Interchangeable Rectangles | Medium | 5% | TopicsArrayHash TableMathCountingNumber Theory |
| 3612. Process String with Special Operations I | Medium | 5% | TopicsStringSimulation |
| 1981. Minimize the Difference Between Target and Chosen Elements | Medium | 5% | TopicsArrayDynamic ProgrammingMatrix |
| 1222. Queens That Can Attack the King | Medium | 5% | TopicsArrayMatrixSimulation |
