mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-24 04:08:49 +00:00
23 lines
356 B
C++
23 lines
356 B
C++
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
int main() {
|
|
int s, v, m, h;
|
|
scanf("%d%d", &s, &v);
|
|
m = s / v;
|
|
if (s % v != 0) {
|
|
m++;
|
|
}
|
|
m += 10;
|
|
h = m / 60;
|
|
m %= 60;
|
|
if (h > 7) {
|
|
printf("%02d", 24 + 7 - h);
|
|
} else {
|
|
printf("%02d", 7 - h);
|
|
}
|
|
printf(":%02d\n", 60 - m);
|
|
return 0;
|
|
}
|