@[Akemi·Homura](/user/356081)
```cpp
inline int read() {
int x=0,w=1;
char c=getchar();
while(c<'0'||c>'9') {
if(c=='-') {
w=-1;
}
c=getchar();
}
while(c>='0'&&c<='9') {
x=(x<<3)+(x<<1)+c-'0';
c=getchar();
}
return x*w;
}
```
by andyli @ 2020-12-13 12:34:23
@[andyli](/user/84282) 大佬666，已AC
by Night_7d5 @ 2020-12-13 12:58:12