能大致解释一下思路吗……
没看懂 qwq。
by TemplateClass @ 2023-10-03 16:16:04
@[andyzhu444](/user/575655)
by TemplateClass @ 2023-10-03 16:16:29
还要加一个 ```vis``` 数组来判重。
by fangyicheng1216 @ 2023-10-03 16:21:44
@[fangyicheng1216](/user/846379) 正解
by Max6700 @ 2023-10-03 16:23:33
错误:
```c++
记忆化搜索那里xx>0&&xx<n&&yy>0&&yy<m
改成xx>0&&xx<=n&&yy>0&&yy<=m
```
by wuxiuyuan @ 2023-10-14 14:19:49
@[andyzhu444](/user/575655)
by wuxiuyuan @ 2023-10-14 14:22:04
@[wuxiuyuan](/user/701478) thnks
by andyzhu444 @ 2023-10-14 14:32:26