建议你每步模拟
by Max6700 @ 2023-09-08 21:46:28
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int s,v;
scanf("%d%d",&s,&v);
int minutes=ceil(1.0*s/v)+10;
int hh=7;
while(minutes>=60){
hh=hh-1;
if(hh<0){
hh+24;
}
minutes=minutes-60;
}
printf("%02d:%02d\n",hh,60-minutes);
return 0;
}
```
by FurippuWRY @ 2023-09-08 21:46:49
```cpp
if(hh<0){
hh+24;
}
```
by szx20100828 @ 2023-09-08 21:47:44