c小程序一个。

来源:百度知道 编辑:UC知道 时间:2024/06/23 08:45:15
编写一个算法和C程序:以便在购书籍量超过5本并且购买总额超过500元时,提供15%的折扣。接受用户输入书籍数量及购买总额,并显示最终应付总额。有人会吗帮帮我

#include<stdio.h>;
main()
{
int booknum;
float inprice,outprice;
printf("Input number of books: ");
scanf("%d",&booknum);
printf("Input total price: ");
scanf("%f",&inprice);
if(booknum>5&&inprice>500)
outprice=inprice*(1-0.15);
else
outprice=inprice;
printf("\nTotal pay:%f",%f);
}

该程序要求先输入数量,再输入总额,如要一起输入则为:
#include<stdio.h>;
main()
{
int booknum;
float inprice,outprice;
printf("Input number and price: ");
scanf("%d %f",&booknum,&inprice);
if(booknum>5&&inprice>500)
outprice=inprice*(1-0.15);
else
outprice=inprice;
printf("\nTotal pay:%f",%f);
}