> 必须输出两位，不足前面补 $0$。
@[Tishok](/user/1159142)
by XuYueming @ 2024-03-12 20:20:02
```c
#include<stdio.h>
int main()
{
int s,v,hour,minute,a,b,c,d;
scanf("%d%d",&s,&v);
minute=60*8;
if(s%v==0)
{
minute=minute-10-s/v;
hour=minute/60;
a=hour/10;
b=hour%10;
minute=minute%60;
c=minute/10;
d=minute%10;
printf("%d%d:%d%d",a,b,c,d);
}
else
{
minute=minute-10-s/v-1;
hour=minute/60;
a=hour/10;
b=hour%10;
minute=minute%60;
c=minute/10;
d=minute%10;
printf("%d%d:%d%d",a,b,c,d);
}
return 0;
}
```
@[XuYueming](/user/728079) 还是红的我估计要考虑前一天晚上出发
by Tishok @ 2024-03-12 20:30:56