题目描述

零食

样例

#include <stdio.h>
int main()
{
    int x,y;
    double a,c;
    scanf("%d%d",&x,&y);
    if(x==1)
    a=4.00;
    else if(x==2)
    a=4.50;
    else if(x==3)
    a=5.00;
    else if(x==4)
    a=2.00;
    else if(x==5)
    a=1.50;
    c=a*y;
    printf("Total: R$ %.2lf\n",c);
    return 0;
}