Manchester-【 蓝桥杯算法训练VIP-比较字符串】

#include<stdio.h>
#include<string.h>
int contrast(char *s1,char *s2);
int main()
{
	int k;
	char s1[100],s2[100];
	scanf("%s%s",&s1,&s2);
	k=contrast(s1,s2);
	printf("%d\n",k);
	return 0;
}
int contrast(char *s1,char *s2)
{
	int i=0;
	int n;
	for(i=0;s1[i]!='\0'&&s2[i]!='\0';i++)
	{
		if((int)s1[i]!=(int)s2[i])
		{
			n=(int)s1[i]-(int)s2[i];
			break;
		}
		else
		{
			n=0;
		}		
	}
	return n;
}