是第四个点WA的吗
by Neil_Seniorious @ 2023-09-19 19:56:01
二分改成如下代码即可
```cpp
while(l+1<r){
int mid=(l+r-1)>>1;
if(check(mid)) r=mid+1;
else l=mid+1;
}
cout<<l<<endl;
```
by Liu_Zicong @ 2023-09-24 19:11:34