| 2787 | Ways to Express an Integer as Sum of Powers | Dynamic Programming | Medium |
| 2789 | Largest Element in an Array after Merge Operations | ArrayGreedy | Medium |
| 2799 | Count Complete Subarrays in an Array | ArrayHash TableSliding Window | Medium |
| 2800 | Shortest String That Contains Three Strings | StringGreedyEnumeration | Medium |
| 2807 | Insert Greatest Common Divisors in Linked List | Linked ListMathNumber Theory | Medium |
| 2808 | Minimum Seconds to Equalize a Circular Array | ArrayHash Table | Medium |
| 2811 | Check if it is Possible to Split Array | ArrayDynamic ProgrammingGreedy | Medium |
| 2812 | Find the Safest Path in a Grid | ArrayBinary SearchBreadth-First Search+3 | Medium |
| 2816 | Double a Number Represented as a Linked List | Linked ListMathStack | Medium |
| 2817 | Minimum Absolute Difference Between Elements With Constraint | ArrayBinary SearchOrdered Set | Medium |
| 2825 | Make String a Subsequence Using Cyclic Increments | Two PointersString | Medium |
| 2826 | Sorting Three Groups | ArrayBinary SearchDynamic Programming | Medium |
| 2829 | Determine the Minimum Sum of a k-avoiding Array | MathGreedy | Medium |
| 2830 | Maximize the Profit as the Salesman | ArrayHash TableBinary Search+2 | Medium |
| 2831 | Find the Longest Equal Subarray | ArrayHash TableBinary Search+1 | Medium |
| 2834 | Find the Minimum Possible Sum of a Beautiful Array | MathGreedy | Medium |
| 2840 | Check if Strings Can be Made Equal With Operations II | Hash TableStringSorting | Medium |
| 2841 | Maximum Sum of Almost Unique Subarray | ArrayHash TableSliding Window | Medium |
| 2844 | Minimum Operations to Make a Special Number | MathStringGreedy+1 | Medium |
| 2845 | Count of Interesting Subarrays | ArrayHash TablePrefix Sum | Medium |
| 2849 | Determine if a Cell Is Reachable at a Given Time | Math | Medium |
| 2850 | Minimum Moves to Spread Stones Over Grid | ArrayDynamic ProgrammingBreadth-First Search+1 | Medium |
| 2856 | Minimum Array Length After Pair Removals | ArrayHash TableTwo Pointers+3 | Medium |
| 2857 | Count Pairs of Points With Distance k | ArrayHash TableBit Manipulation | Medium |
| 2860 | Happy Students | ArraySortingEnumeration | Medium |
| 2861 | Maximum Number of Alloys | ArrayBinary Search | Medium |
| 2865 | Beautiful Towers I | ArrayStackMonotonic Stack | Medium |
| 2866 | Beautiful Towers II | ArrayStackMonotonic Stack | Medium |
| 2870 | Minimum Number of Operations to Make Array Empty | ArrayHash TableGreedy+1 | Medium |
| 2871 | Split Array Into Maximum Number of Subarrays | ArrayGreedyBit Manipulation | Medium |
| 2874 | Maximum Value of an Ordered Triplet II | Array | Medium |
| 2875 | Minimum Size Subarray in Infinite Array | ArrayHash TableSliding Window+1 | Medium |
| 2895 | Minimum Processing Time | ArrayGreedySorting | Medium |
| 2896 | Apply Operations to Make Two Strings Equal | StringDynamic Programming | Medium |
| 2901 | Longest Unequal Adjacent Groups Subsequence II | ArrayStringDynamic Programming | Medium |
| 2904 | Shortest and Lexicographically Smallest Beautiful String | StringSliding Window | Medium |
| 2905 | Find Indices With Index and Value Difference II | ArrayTwo Pointers | Medium |
| 2906 | Construct Product Matrix | ArrayMatrixPrefix Sum | Medium |
| 2909 | Minimum Sum of Mountain Triplets II | Array | Medium |
| 2910 | Minimum Number of Groups to Create a Valid Assignment | ArrayHash TableGreedy | Medium |
| 2914 | Minimum Number of Changes to Make Binary String Beautiful | String | Medium |
| 2915 | Length of the Longest Subsequence That Sums to Target | ArrayDynamic Programming | Medium |
| 2918 | Minimum Equal Sum of Two Arrays After Replacing Zeros | ArrayGreedy | Medium |
| 2919 | Minimum Increment Operations to Make Array Beautiful | ArrayDynamic Programming | Medium |
| 2924 | Find Champion II | Graph | Medium |
| 2925 | Maximum Score After Applying Operations on a Tree | Dynamic ProgrammingTreeDepth-First Search | Medium |
| 2929 | Distribute Candies Among Children II | MathCombinatoricsEnumeration | Medium |
| 2930 | Number of Strings Which Can Be Rearranged to Contain Substring | MathDynamic ProgrammingCombinatorics | Medium |
| 2933 | High-Access Employees | ArrayHash TableString+1 | Medium |
| 2934 | Minimum Operations to Maximize Last Elements in Arrays | ArrayEnumeration | Medium |