2948. 通过交换元素使数组字典序最小
Medium | Array, Union-Find, Sorting
Medium
2952. 需要添加的硬币的最小数量
Medium | Array, Greedy, Sorting
2957. 移除相邻几乎相等字符
Medium | String, Dynamic Programming, Greedy
2958. 频率不超过 K 的最长子数组长度
Medium | Array, Hash Table, Sliding Window
2001. 可互换矩形的组数
Medium | Array, Hash Table, Math, Counting, Number Theory
2002. 两个回文子序列长度的最大乘积
Medium | String, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
2007. 从双倍数组中还原原始数组
Medium | Array, Hash Table, Greedy, Sorting
2008. 出租车的最大盈利
Medium | Array, Hash Table, Binary Search, Dynamic Programming, Sorting
2012. 数组中的美丽值之和
Medium | Array
2013. 检测正方形
Medium | Array, Hash Table, Design, Counting, Data Stream