printf占位符是%02d吧
by Steve_xh @ 2023-10-31 13:26:22
@[great_mad](/user/1160345)
by Steve_xh @ 2023-10-31 13:30:20
```c
#include <stdio.h>
int main()
{
int s,v;
scanf("%d %d",&s,&v);
int min = (double)s/v+10;
int a = 8 * 60 - min;
printf("%02d:%02d",a/60,a%60);
return 0;
}
```
by great_mad @ 2023-10-31 13:34:14
@[Steve_xh](/user/639198) 还有其他错的地方
by great_mad @ 2023-10-31 13:34:55
前面没补 $0$ 而且算错了
by zheng_zx @ 2023-10-31 13:38:01
@[great_mad](/user/1160345)
1. 时间向上取整 `min = ceil(s*1.0/v)+10`
2. 有可能要在前一天就出发 `if(a<0) a+=1440;`
by cjrawa @ 2023-10-31 13:43:07