就是在pta中scanf的返回值被忽略应该如何解决(语言-c语言)

Question

如下图所示，就是在pta中scanf的返回值被忽略应该如何解决！

Answer 1

供参考:

#include <stdio.h>
int main()
{
    int year, month, day;
    int  ret = scanf("%d %d %d", &year, &month, &day);
    if (ret == 3) {
        printf("%d年| %d月| %d日", year, month, day);
    }
    return 0;
}