@[liupinli2012](/user/838514) @[Sebastian__luyufan](/user/733702) @[liuyi0905](/user/717971)
by taoyiwei17_cfynry @ 2024-01-30 11:48:48
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by _i_i_XYC_i_i_ @ 2024-01-30 11:49:35
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by liuyi0905 @ 2024-01-30 11:53:47
你最少清除的干草垛不是最少的啊，假如干草垛围成了一个迷宫，它也可以不清除一个，可你的程序会直接返回最近的一个，并不是清除干草垛最少的那一个。
hack:
```cpp
7 2 4
1 3
1 2
1 1
2 1
3 1
3 2
3 3
```
ans:
0
output:
1
by Sebastian__luyufan @ 2024-01-30 13:28:20
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by pzs0306 @ 2024-01-31 06:50:35