@[Eternal_Sz](/space/show?uid=102003)
### 把read()改成这个
```cpp
void read(){
cin>>a>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
{
cin>>g[i][j],g[i][j]=min(g[i][j],a);
if(g[i][j]==0) g[i][j]=INF;
}
}
```
by Ein_Niemand @ 2019-02-12 17:59:11
@[Eternal_Sz](/space/show?uid=102003) 数组大小可以只开510*510或510
by Ein_Niemand @ 2019-02-12 18:07:13
@[Nature](/space/show?uid=122407) orz感谢dalao
by Eternal_Sz @ 2019-02-12 19:17:37