80分求助

#include<iostream>

using namespace std;

int main(){

  int s,v;

  int time=0;

  cin>>s>>v;

  if(s%v!=0) {time=s/v+10+1;}

  else if(s%v==0) {time=s/v+10;}

  int i=0;

  if(time%60==0) i=time/60;

  else i=time/60+1;

  if(i<=8){

​    if(time%60!=0) printf("%i%i:%i\n",0,(8-i),60-time%60);

​    else printf("%i%i:%i%i\n",0,8-i,0,0);

   }

​    else if(i>8){

​       if(time%60!=0) printf("%i:%i\n",24-(i-8),60-time%60);

​       else printf("%i:%i%i\n",24-(i-8),0,0);

​    }

  return 0;

}