哈哈哈终于看见你了QEM
by 樱花飞舞 @ 2019-07-02 22:34:54
洛谷是可以的
by 1saunoya @ 2019-07-02 22:35:02
建议[洛谷IDE](https://www.luogu.org/ide)
by 1saunoya @ 2019-07-02 22:35:22
你的数组越界了
by 樱花飞舞 @ 2019-07-02 22:35:29
找到了低级错误
```cpp
if(x2>0 & x2<=n & y2>0 & y2<=m)
```
是&&
by 樱花飞舞 @ 2019-07-02 22:37:00
by 樱花飞舞 @ 2019-07-02 22:40:32
@[樱花飞舞](/space/show?uid=57365) 这是一样的啊QAQ
by SquirrelVae @ 2019-07-02 22:46:42
@[saber_lover](/space/show?uid=50983) 你dfs肯定会爆栈的啊，没有走过的才能转移
by SquirrelVae @ 2019-07-02 22:48:19
这道题不是
$$ BFS $$
吗
by momentous @ 2019-07-03 07:09:02
@[lyslys](/space/show?uid=42714) DFS+150的阈值就过了，还不需要剪枝
by pomelo_nene @ 2019-07-03 08:16:34