题目描述

打这道题的时候犯的小错误太多。

样例

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