二分挂了，~~抱走~~
by 三点水一个各 @ 2020-01-17 19:59:09
妹纸?
by localhost @ 2020-01-17 20:00:28
抱走
by 辰星凌 @ 2020-01-17 20:00:47
@[三点水一个各](/user/110503) 哪里啊
by 不败败寇 @ 2020-01-17 20:01:31
@[辰星凌](/user/110985) 写日报的dalao来看我的帖子了呢
by 不败败寇 @ 2020-01-17 20:02:44
@[不败败寇](/user/221710) 应该是check函数炸了吧
by localhost @ 2020-01-17 20:09:00
@[不败败寇](/user/221710) 这错的明显啊
```cpp
while(l<=r){
int mid=(l+r)>>1;
if(check(mid))ans=mid,r=mid+1;
else l=mid+1;
}
```
by 辰星凌 @ 2020-01-17 20:09:15
抱走妹纸
by Mine_King @ 2020-01-17 20:10:25
@[不败败寇](/user/221710) `r=mid-1` 吧
by Kizuna_AI @ 2020-01-17 20:10:29
@[不败败寇](/user/221710) 一库！
by XyzL @ 2020-01-17 20:13:03