3403. 从盒子中找到字典序最大的字符串 I
Medium | Two Pointers, String, Enumeration
Two Pointers
3455. 最短匹配子串
Hard | Two Pointers, String, Binary Search, String Matching
3503. 子串连接后的最长回文串 I
Medium | Two Pointers, String, Dynamic Programming, Enumeration
3504. 字符串拼接后的最长回文串 II
Hard | Two Pointers, String, Dynamic Programming
3534. 图中路径存在查询 II
Hard | Array, Two Pointers, Binary Search, Dynamic Programming, Greedy, Bit Manipulation, Graph Theory, Sorting
3584. 子序列首尾元素乘积的最大值
Medium | Array, Two Pointers
3633. 陆地和水上游乐设施的最早完成时间 I
Easy | Array, Two Pointers, Binary Search, Greedy, Sorting
3635. 陆地和水上游乐设施的最早完成时间 II
Medium | Array, Two Pointers, Binary Search, Greedy, Sorting
3643. 垂直翻转正方形子矩阵
Easy | Array, Two Pointers, Matrix
3645. 从最优激活顺序中获得的最大总和
Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue)
3649. 完美对的数量
Medium | Array, Math, Two Pointers, Sorting
3685. 限制元素后的子序列和
Medium | Array, Two Pointers, Dynamic Programming, Sorting
3722. 翻转后字典序最小的字符串
Medium | Two Pointers, Binary Search, Enumeration
3734. 字典序最小的大于目标的回文排列
Hard | Two Pointers, String, Enumeration
3750. 反转二进制字符串的最小翻转次数
Easy | Math, Two Pointers, String, Bit Manipulation
3752. 字典序最小的求和为目标值的带符号排列
Medium | Array, Math, Two Pointers, Greedy, Sorting
3766. 将数组转换为二进制回文数的最少操作次数
Medium | Array, Two Pointers, Binary Search, Bit Manipulation
3775. 具有相同元音数量的单词反转
Medium | Two Pointers, String, Simulation
3794. 反转字符串前缀
Easy | Two Pointers, String
3801. 合并已排序列表的最小成本
Hard | Array, Two Pointers, Binary Search, Dynamic Programming, Bit Manipulation