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为什么WA,求指导

Posted by 20132430224 at 2015-05-13 11:43:58 on Problem 1657
#include<stdlib.h>
#include<stdio.h>
int main()
{
	int max(int m,int n);
	char x1,x2,y1,y2;

	int a,b,c,d,n,i,xx,yy;
	scanf("%d",&n);
	getchar();
	for(i=1;i<=n;i++)
	{   
	    d=0;
		scanf("%c%c %c%c",&x1,&y1,&x2,&y2); 
		getchar();//  
		xx=x1-x2;yy=y1-y2;
		if(xx==0&&yy==0) {printf("0 0 0 0\n"); continue;}
		a=max(abs(xx),abs(yy));
		if(xx==yy||xx==0||yy==0) b=1;
		else b=2;
		if(x1==x2||y1==y2) c=1;
		else c=2;
		if(xx==yy) d=1;
		if(d==1) printf("%d %d %d %d\n",a,b,c,d);
		else if(abs(xx-yy)%2) printf("%d %d %d Inf\n",a,b,c);
		else printf("%d %d %d 2\n",a,b,c);
	   
	}
	system("pause");
	return 0;
}
int max(int m,int n)
{
	if(m>=n) return m;
	else return n;
}

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