@[向晚](/user/170410) 不懂bfs的话,自己去[查](https://oi-wiki.org/graph/bfs/)
by 半只蒟蒻 @ 2021-08-25 20:25:55
谢谢大佬,但我想用dfs做出这道题(因为我是wa两个点而不是tle
by 向晚 @ 2021-08-25 20:28:23
~~[推销远古博客](https://www.luogu.com.cn/blog/PYblog/solution-p1126)~~
by 破忆 @ 2021-08-25 20:31:44
这青涩的笔法,我尴尬到抠脚,在线改一下
by 破忆 @ 2021-08-25 20:35:21
@[_wkjzyc](/user/34372) ?
by 向晚 @ 2021-08-25 20:35:56
@[向晚](/user/170410) 没事,那挺抱歉的
by _wkjzyc @ 2021-08-25 20:37:46
@[_wkjzyc](/user/34372) 在洛谷带坏小孩纸qwq
by 向晚 @ 2021-08-25 20:38:54
@[破忆](/user/116251) 大佬改好了吗
by 向晚 @ 2021-08-25 20:41:03
@[向晚](/user/170410)
```cpp
if(mx<1||mx>n||my<1||my>m) return ;
```
这句边界判断是不是太宽了
by 破忆 @ 2021-08-25 20:45:11
@[破忆](/user/116251) 那该怎么办qwq
by 向晚 @ 2021-08-25 20:49:09