@[Yemengying](/user/1028452)
>Wrong Answer.wrong answer On line 1 column 5, read 2, expected 3.
by dingzj2022 @ 2023-08-04 11:09:22
@[dingzj2022](/user/945569) 看不懂（）
by Yemengying @ 2023-08-05 13:15:33
@[Yemengying](/user/1028452) 让我仔细看看
by dingzj2022 @ 2023-08-05 13:19:34
@[Yemengying](/user/1028452)
------------
不能-1，向上取整即可，另外不需要用分支判断m>0,循环本身就需要判断
by wbhqm @ 2023-08-08 11:43:42
@[wbhqm](/user/728909) 好好好，谢谢
by Yemengying @ 2023-08-08 11:44:22
```
#include<bits/stdc++.h>
using namespace std;
int main(){
int x,y,h=7,m=50;
cin>>x>>y;
m=m-ceil((x*1.0/y));
while(m<0)
{
h--;
m+=60;
}
while(h<0) h+=24;
if(h<10) cout<<"0";
cout<<h<<":";
if(m<10) cout<<"0";
cout<<m;
return 0;
}
```
@[Yemengying](/user/1028452) AC代码
by wbhqm @ 2023-08-08 11:44:34
@[wbhqm](/user/728909) 好的好的，非常感谢
by Yemengying @ 2023-08-08 11:53:12