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到底是哪里错了???试了好几次,真的不会改了!!求教大神,感激不尽

Posted by Alcatraz at 2015-04-12 01:50:48 on Problem 2386
#include<stdio.h>
int n,m;
char k[101][101];
void change(int x,int y)
{
	int dx,dy,nx,ny;
	for(dx=-1;dx<=1;dx++)
	{
		for(dy=-1;dy<=1;dy++)
		{
			nx=x+dx;
			ny=y+dy;
			if(nx>=0&&nx<n&&ny>=0&&ny<m&&k[nx][ny]=='W')
			{
				change(nx,ny);
			}
		}
	}
}
int main()
{
    //void change(int x,int y);
	int i,j,s;
    int n,m;
    char k[101][101];
	scanf("%d%d",&n,&m);
	for(i=0;i<n;i++)
	{
			scanf("%s",k[i]);
	}
	s=0;
	for(i=0;i<n;i++)
	{
		for(j=0;j<m;j++)
		{
			if(k[i][j]=='W')
			{
				s++;
				change(i,j);
			}
		}
	}
	printf("%d\n",s);
	return 0;
}

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