if(ans < ?)
{
cout << ? << "\n";
return 0;
}
else if(ans </)
{
cout << ? << "\n";
return 0;
}
else if(ans < ?)
{
cout << ? << "\n";
return 0;
}
else if(ans < ?)
{
cout <<? << "\n";
return 0;
}
else if(ans < ?)
{
cout << ? << "\n";
return 0;
}
else
{
cout <<? << "\n";
return 0;
}
给个解决方案