float price = 0
cin >>num
if (num >5)
{
price = 1.5*num
}
else
{
price = 0.5*num
}
cout <<"总价格是:" <<price <<endl
float price = 0
cin >>num
if (num >5)
{
price = 1.5*num
}
else
{
price = 0.5*num
}
cout <<"总价格是:" <<price <<endl