solve函数里的
```cpp
line[i].l=line[i+n].l=lower_bound(X+1,X+2*n+1,star[i].x)-X+1;
line[i].r=line[i+n].r=lower_bound(X+1,X+2*n+1,star[i].x+W-1)-X+1;
```
-X+1改成-X+3，-X+2，-X+5#1都会WA
by smy2006 @ 2022-08-31 21:43:41