choice=3
choice=2
i=5?
break;
price=4.0;
price=2.5;
假
price=3.4;
choice=4
price=0.0;
price=3.0;
choice=1
printf(\"[1]Select crisps\");printf(\"[2]Select popcorn\");printf(\"[3]Select chocolate\");printf(\"[4]Select cola\");printf(\"[0]Select exit\");
i=1;
真
输出price:
Enter choice: