1593. 将字符串拆分为最多数量的唯一子字符串
Medium | Hash Table, String, Backtracking
Backtracking
1601. 可达成的最大换楼请求数目
Hard | Array, Backtracking, Bit Manipulation, Enumeration
1655. 分配重复整数
Hard | Array, Hash Table, Dynamic Programming, Backtracking, Bit Manipulation, Counting, Bitmask
1718. 构造字典序最大的有效序列
Medium | Array, Backtracking
1723. 完成所有工作的最短时间
Hard | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask
1799. N 次操作后的最大分数和
Hard | Array, Math, Dynamic Programming, Backtracking, Bit Manipulation, Number Theory, Bitmask
1849. 将字符串拆分为递减的连续值
Medium | String, Backtracking, Enumeration
1863. 子集异或总和
Easy | Array, Math, Backtracking, Bit Manipulation, Combinatorics, Enumeration
1980. 寻找不同的二进制字符串
Medium | Array, Hash Table, String, Backtracking
1986. 完成所有任务的最少工作时间段
Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmask