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Re:这个为什么会错....WA得不行了。。。。

Posted by lxp_rs at 2006-08-06 18:47:40 on Problem 2941
In Reply To:这个为什么会错....WA得不行了。。。。 Posted by:lxp_rs at 2006-08-06 18:46:51
#include "stdio.h"
#include "string.h"

int a[1010][1010];

int main()
{
    int n,i,j,flag;
    while(1)
    {       
		    memset(a,0,sizeof(a));
            scanf("%d",&n);
            if(n==0) break;
            for(i=0;i<n;i++)
               for(j=0;j<n;j++)
                  scanf("%d",&a[i][j]);
			if(n==1) printf("homogeneous\n");
			else
			{
            for(i=0;i<n;i++)
			{
               for(j=0;j<n;j++)
               {
                  if((i+1<n)&&(j+1<n)) 
				  {
					  if(a[i][j]+a[i+1][j+1]==a[i+1][j]+a[i][j+1]) flag=0;
					  else flag=1;
				  }
                  if(flag) break;
               }
			}
             if(flag) printf("not homogeneous\n");
             else printf("homogeneous\n");     
			}
    }
    return 0;
}

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