农民傻了 @ 2024-09-23 18:42:45
#include <bits/stdc++.h>
using namespace std;
double s,v;
int main()
{
cin>>s>>v;
int t2=10+ceil(s/v);
if(t2<=60)
{
cout<<"07"<<':'<<60-t2;
}
else
{
int h=floor(t2/60);
int min=t2-h*60;
if(h<=7)
{
cout<<'0'<<7-h<<':'<<60-min;
}
else
{
if(31-h>=10)
cout<<31-h<<':'<<60-min;
else
{
cout<<'0'<<31-h<<':'<<60-min;
}
}
}
}
/*1 6
2 5
3 4
4 3
5 2
6 1
7 0
8 23
9 22
10 21
*//1 6 2 5 3 4 4 3 5 2 6 1 7 0 8 23 9 22 10 21 /
by yezicong1104 @ 2024-09-23 20:15:30
@农民傻了，分钟没补
#include <bits/stdc++.h>
using namespace std;
int main() {
int s, v;
cin >> s >> v;
int tt = ceil((double)s / v) + 10; //耗时
int t = (480 - tt + 1440) % 1440;
printf("%d%d:%d%d", t / 600, t / 60 % 10, t % 60 / 10, t % 60 % 10);
return 0;
}