2697. 字典序最小回文串
Easy | Two Pointers, String, Greedy
Greedy
2706. 购买两块巧克力
Easy | Array, Greedy, Sorting
2708. 群体的最大强度
Medium | Array, Dynamic Programming, Backtracking, Greedy, Bit Manipulation, Sorting, Enumeration
2712. 使所有字符相等的最小成本
Medium | String, Dynamic Programming, Greedy
2734. 子串操作后字典序最小的字符串
Medium | String, Greedy
2745. 构造最长的新字符串
Medium | Math, Dynamic Programming, Greedy, Brainteaser
2811. 检查是否可以拆分数组
Medium | Array, Dynamic Programming, Greedy
2813. 最大 K 长度子序列的优雅度
Hard | Array, Hash Table, Stack, Greedy, Sorting, Heap (Priority Queue)
2818. 应用操作最大化分数
Hard | Array, Math, Stack, Greedy, Sorting, Monotonic Stack, Number Theory
2829. 确定 k-避免数组的最小和
Medium | Math, Greedy