结构体基础知识点

#include <cstdio>
#include <cstring>
int main()
{
	char a[222];				//输入 :3 4 	4 4 	5 4
	char b[222];				//输出：-1 	 0	 1
	int ans;
	while (~scanf ("%s %s",a,b))
	{
		ans = strcmp (a,b);
		printf ("%d\n",ans);
	}
	return 0;
}