2506. 统计相似字符串对的数目
Easy | Array, Hash Table, String, Bit Manipulation, Counting
Bit Manipulation
2527. 数组的异或美丽值
Medium | Array, Math, Bit Manipulation
2546. 应用按位运算使字符串相等
Medium | String, Bit Manipulation
2564. 子字符串异或查询
Medium | Array, Hash Table, String, Bit Manipulation
2568. 最小不可能的OR值
Medium | Array, Bit Manipulation, Brainteaser
2571. 使整数减为 0 的最少操作次数
Medium | Dynamic Programming, Greedy, Bit Manipulation
2572. 无平方子集的数目
Medium | Array, Math, Dynamic Programming, Bit Manipulation, Number Theory, Bitmask
2588. 统计美丽子数组的数目
Medium | Array, Hash Table, Bit Manipulation, Prefix Sum
2595. 奇偶位数
Easy | Bit Manipulation
1284. 将二进制矩阵转换为零矩阵的最小翻转次数
Hard | Array, Hash Table, Bit Manipulation, Breadth-First Search, Matrix