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## 求大神指导，哪里错了，总是WA

Posted by laijiayi at 2013-08-17 15:04:52 on Problem 1562
In Reply To:跪求求大神指导！测了多数据了，都过了，为啥WA ?????? Posted by:bj921712230 at 2013-04-21 20:31:42
```#include <stdio.h>
#include <string.h>
#include <iostream>
#include <algorithm>
#define M 101
using namespace std;
bool visit[M][M];
int xx[8]={1,1,1,-1,-1,-1,0,0};
int yy[8]={1,0,-1,1,0,-1,1,-1};
char point[M][M];
int m,n;
void DFS(int x,int y)
{
visit[x][y]=true;
for(int i=0;i<8;i++)
{
if(x+xx[i]>=0&&x+xx[i]<m&&y+yy[i]>=0&&y+yy[i]<n)
{
if(point[x+xx[i]][y+yy[i]]=='@'&&visit[x+xx[i]][y+yy[i]]==0)
{
DFS(x+xx[i],y+yy[i]);
}
}
}
}
int main()
{
int b,i,j,k,T;
while(scanf("%d %d",&m,&n)!=EOF&&m)
{
memset(visit,0,sizeof(visit));
k=0;
for(i=0;i<m;i++)
{
getchar();
for(j=0;j<n;j++)
{
scanf("%c",&point[i][j]);
}
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
if(point[i][j]=='@'&&visit[i][j]==0)
{
k++;
DFS(i,j);
}
}
}
printf("%d\n",k);
}
return 0;
}```

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