3750. 反转二进制字符串的最小翻转次数
Easy | Math, Two Pointers, String, Bit Manipulation
Posts
3751. 区间内数字的总波动性 I
Medium | Math, Dynamic Programming, Enumeration
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
3753. 区间内数字的总波动性 II
Hard | Math, Dynamic Programming
3754. 连接非零数字并乘以数字和 I
Easy | Math
3755. 寻找最大平衡异或子数组长度
Medium | Array, Hash Table, Bit Manipulation, Prefix Sum
3756. 拼接非零数字并乘以数字和 II
Medium | Math, String, Prefix Sum
3757. 有效子序列的数量
Hard | Array, Math, Dynamic Programming, Bit Manipulation, Combinatorics
3759. 统计至少有 K 个更大值的元素
Medium | Array, Binary Search, Divide and Conquer, Sorting, Quickselect
3760. 具有不同起始字符的最大子串数
Medium | Hash Table, String