C007：输入美元数量，用最少的20美元，10美元，5美元和1美元付款

代码:

#include "stdafx.h"

int _tmain(int argc, _TCHAR* argv[])
{    
    int amount;

    do{
        printf("Enter a dollar amount:");
        scanf("%d",&amount);

        int twenty=amount/20;
        printf("$20 bills:%d
",twenty);

        int ten=(amount-20*twenty)/10;
        printf("$10 bills:%d
",ten);

        int five=(amount-20*twenty-10*ten)/5;
        printf("$5 bills:%d
",five);

        int one=amount % 5;
        printf("$1 bills:%d
",one);
    }while(amount!=1234);
    
    
    return 0;
}

输出：

Enter a dollar amount:123
$20 bills:6
$10 bills:0
$5 bills:0
$1 bills:3
Enter a dollar amount:93
$20 bills:4
$10 bills:1
$5 bills:0
$1 bills:3
Enter a dollar amount:24
$20 bills:1
$10 bills:0
$5 bills:0
$1 bills:4
Enter a dollar amount:12345
$20 bills:617
$10 bills:0
$5 bills:1
$1 bills:0

--2020年6月9日--