@[windyyyds](/user/785883) `Markdown崩坏`
**参考代码**
```cpp
#include<bits/stdc++.h> //万能头文件
using namespace std;
double s=0.0,v=0.0;
int h,m;
int main()
{
cin>>s>>v;
m=10+ceil(s/v);
h=ceil(m*1.0/60);
m=60-m%60;
h=8-h;
if(h<0) h=24+h;
if(h<10) cout<<"0";
cout<<h<<":";
if(m<10) cout<<"0";
cout<<m;
return 0;
}
```
by Wy_x @ 2022-10-03 16:08:30