currency.c

北大青鸟软件工程师ppt的学生用书源代码

#include <stdio.h>

int denom (int *s,int c)
{
	 return (*s) / c;
}
void main()
{
	int sum,temp,notes;//sum保存用户输入的金额；temp临时保存输入的金额；notes保存需要纸币的总数；
	notes=0;
	printf("\n 请输入金额：");
	scanf("%d", &sum);
	temp = sum;
	notes=denom (&sum,100);
    sum = sum % 100;
	notes=notes+denom (&sum,50);
    sum = sum % 50;
	notes=notes+denom (&sum,20);
	sum = sum % 20;
	notes=notes+denom (&sum,10);
	sum = sum % 10;
	notes=notes+denom (&sum,5);
	sum = sum % 5;
	notes=notes+denom (&sum,2);
    sum = sum % 2;
	notes=notes+sum;

	printf("\n 合计 %d 元将需要 %d 张纸币。",temp, notes);
	printf("\n ");
}