题解 | #出生日期输入输出#

#include <stdio.h>

#define A1(X) (1990 <= X && X <= 2015)
#define A2(X) (1 <= X && X <= 12)
#define A3(X) (1 <= X && X <= 30)

int main()
{
    int a, b, c;
    while (1)
    {
        if (scanf("%4d%2d%2d", &a, &b, &c) != 3)
        {
            printf("格式输入错误!\n");
            
            while (getchar() != '\n');
            
            printf("请重新输入\n");
        }
        else if (A1(a) && A2(b) && A3(c))
        {
            printf("year=%d\nmonth=%02d\ndate=%02d", a, b, c);
            break;
        }
        else
        {  
            printf("输入的年份月份或日期不在规定范围之间!\n");
            while (getchar() != '\n');
            printf("请重新输入\n");
        }
    }
    return 0;
}

//代码应该还是有点问题 scanf读到8位数为止 也不会打印报错 因为是初学 先放在这吧 后面回头再来看看