因为样例的换行有点问题。
by Marx @ 2018-07-09 08:42:06
if(xx<1||xx>m||yy<1||yy>m)
错了
by msy66 @ 2019-07-24 15:36:00
@[浥轻尘](/space/show?uid=45677)
by msy66 @ 2019-07-24 15:36:28
要改为
```cpp
if(xx<1||xx>m||yy<1||yy>n)
```
by msy66 @ 2019-07-24 19:47:22
@[Marx](/space/show?uid=82600) 是数据有问题吧
by msy66 @ 2019-07-24 20:05:03
我就出问题了
by msy66 @ 2019-07-24 20:05:16
@[msy66](/user/119851) 请不要怀疑一道1.93k人通过的题目
by tansuoyuzhou @ 2019-12-30 20:09:15