linmaonan @ 2023-10-18 19:08:56
#include<bits/stdc++.h>
using namespace std;
int main()
{
int s,v,t;
cin>>s>>v;
if(s%v!=0) t = (s/v)+1;
else t = s/v;
t+=10;
int h=0,m=0;
if(t>=60)
{
h = t/60;
m = t%60;
}
else
{
m = t;
//h = 8;
}
if(h>=8||(h==7&&m>0))
{
h-=8;
h=24-h;
}
else h=8-h;
if(m>0)
{
h--;
m=60-m;
}
//cout<<h<<":"<<m;
printf("%02d:%02d",h,m);
return 0;
}by Leanard @ 2023-10-18 19:32:37
#include<bits/stdc++.h>
using namespace std;
int main()
{
double num1,num2,c;
cin>>num1>>num2;
int s=470;
c=ceil(num1/num2*1.0);
s-=c;
if(s<0)s+=1440;
if(s/60<10)cout<<0;
cout<<s/60<<":";
if(s%60<10)cout<<0;
cout<<s%60;
return 0;
}