| 2730 | Find the Longest Semi-Repetitive Substring | StringSliding Window | Medium |
| 2731 | Movement of Robots | ArrayBrainteaserSorting+1 | Medium |
| 2732 | Find a Good Subset of the Matrix | ArrayHash TableBit Manipulation+1 | Hard |
| 2733 | Neither Minimum nor Maximum | ArraySorting | Easy |
| 2734 | Lexicographically Smallest String After Substring Operation | StringGreedy | Medium |
| 2735 | Collecting Chocolates | ArrayEnumeration | Medium |
| 2736 | Maximum Sum Queries | ArrayBinary SearchStack+4 | Hard |
| 2739 | Total Distance Traveled | MathSimulation | Easy |
| 2740 | Find the Value of the Partition | ArraySorting | Medium |
| 2741 | Special Permutations | ArrayDynamic ProgrammingBit Manipulation+1 | Medium |
| 2742 | Painting the Walls | ArrayDynamic Programming | Hard |
| 2744 | Find Maximum Number of String Pairs | ArrayHash TableString+1 | Easy |
| 2745 | Construct the Longest New String | MathDynamic ProgrammingGreedy+1 | Medium |
| 2746 | Decremental String Concatenation | ArrayStringDynamic Programming | Medium |
| 2747 | Count Zero Request Servers | ArrayHash TableSliding Window+1 | Medium |
| 2748 | Number of Beautiful Pairs | ArrayHash TableMath+2 | Easy |
| 2749 | Minimum Operations to Make the Integer Zero | Bit ManipulationBrainteaserEnumeration | Medium |
| 2750 | Ways to Split Array Into Good Subarrays | ArrayMathDynamic Programming | Medium |
| 2751 | Robot Collisions | ArrayStackSorting+1 | Hard |
| 2760 | Longest Even Odd Subarray With Threshold | ArraySliding Window | Easy |
| 2761 | Prime Pairs With Target Sum | ArrayMathEnumeration+1 | Medium |
| 2762 | Continuous Subarrays | ArrayQueueSliding Window+3 | Medium |
| 2763 | Sum of Imbalance Numbers of All Subarrays | ArrayHash TableOrdered Set | Hard |
| 2765 | Longest Alternating Subarray | ArrayEnumeration | Easy |
| 2766 | Relocate Marbles | ArrayHash TableSorting+1 | Medium |
| 2767 | Partition String Into Minimum Beautiful Substrings | Hash TableStringDynamic Programming+1 | Medium |
| 2768 | Number of Black Blocks | ArrayHash TableEnumeration | Medium |
| 2769 | Find the Maximum Achievable Number | Math | Easy |
| 2770 | Maximum Number of Jumps to Reach the Last Index | ArrayDynamic Programming | Medium |
| 2771 | Longest Non-decreasing Subarray From Two Arrays | ArrayDynamic Programming | Medium |
| 2772 | Apply Operations to Make All Array Elements Equal to Zero | ArrayPrefix Sum | Medium |
| 2778 | Sum of Squares of Special Elements | ArrayEnumeration | Easy |
| 2779 | Maximum Beauty of an Array After Applying Operation | ArrayBinary SearchSliding Window+1 | Medium |
| 2780 | Minimum Index of a Valid Split | ArrayHash TableSorting | Medium |
| 2781 | Length of the Longest Valid Substring | ArrayHash TableString+1 | Hard |
| 2784 | Check if Array is Good | ArrayHash TableSorting | Easy |
| 2785 | Sort Vowels in a String | StringSorting | Medium |
| 2786 | Visit Array Positions to Maximize Score | ArrayDynamic Programming | Medium |
| 2787 | Ways to Express an Integer as Sum of Powers | Dynamic Programming | Medium |
| 2788 | Split Strings by Separator | ArrayString | Easy |
| 2789 | Largest Element in an Array after Merge Operations | ArrayGreedy | Medium |
| 2790 | Maximum Number of Groups With Increasing Length | ArrayMathBinary Search+2 | Hard |
| 2791 | Count Paths That Can Form a Palindrome in a Tree | Dynamic ProgrammingBit ManipulationTree+2 | Hard |
| 2798 | Number of Employees Who Met the Target | Array | Easy |
| 2799 | Count Complete Subarrays in an Array | ArrayHash TableSliding Window | Medium |
| 2800 | Shortest String That Contains Three Strings | StringGreedyEnumeration | Medium |
| 2801 | Count Stepping Numbers in Range | StringDynamic Programming | Hard |
| 2806 | Account Balance After Rounded Purchase | Math | Easy |
| 2807 | Insert Greatest Common Divisors in Linked List | Linked ListMathNumber Theory | Medium |
| 2808 | Minimum Seconds to Equalize a Circular Array | ArrayHash Table | Medium |