oSmile_ @ 2023-09-20 17:46:51
#include <iostream>
#include <cmath>
using namespace std;
float s,v;
int main(){
cin >> s >> v;
int time = ceil(s/v);
int number = 470;
int losetime;
losetime = number - time;
if(losetime > 0){
cout << "0";
cout << losetime / 60<<":";
if(losetime % 60 != 0){
cout << losetime % 60;
}else{
cout <<"00";
}
return 0;
}else if(losetime < 0){
losetime = 1440 + losetime;
if(losetime / 60 < 10 &&losetime /60 >=0){
cout << "0";
}
if(losetime / 60 >= 10){
cout << losetime / 60 << ":";
if(losetime % 60 != 0){
cout << losetime % 60;
}else{
cout << "00";
}
}else{
cout << "8:00";
}
return 0;
}else if(losetime == 0){
cout << "00:00";
return 0;
}
return 0;
}by HASPID @ 2023-09-22 22:05:24
#include<iostream>
using namespace std;
int main(){
int s,v,h=8,m,t;
cin>>s>>v;
if(s%v==0)t=s/v;
else if(s%v!=0)t=s/v+1;
t+=10;
if(t%60==0)h=h-t/60;
else h=h-t/60-1;
if(h<0)h=24+h;
if(t%60==0)m=0;
else m=60-t%60;
if(h<10&&m<10)cout<<0<<h<<":"<<0<<m;
else if(h>=10&&m<10)cout<<h<<":"<<0<<m;
else if(h<10&&m>=10)cout<<0<<h<<":"<<m;
else if(h>=10&&m>=10)cout<<h<<":"<<m;
}