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OI-codes/Luogu/P5707/P5707.cpp

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;
}