```cpp
inline int read(){
int n=0,f=1;
char c=getchar();
while(!isdigit(c)){
if(c=="-")f=-1;
c=getchar();
}
while(isdigit(c)){
n=n*10+c-'0';
c=getchar();
}
return n*f;
}
```
by zhz2013 @ 2024-03-27 21:18:10
@[zhz2013](/user/980236) 谢谢
by 何锦明2012 @ 2024-03-27 21:19:36