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代码!#include <stdio.h>
#define M 100+10
char map[M][M];
int r,c;
int d[8][2]={{1,1},{1,0},{1,-1},{0,1},{0,-1},{-1,-1},{-1,0},{-1,1}};
int times,flag;
void dfs(int s,int t)
{
int i,tempx,tempy;
if(map[s][t]=='W')
{
map[s][t]='.';
flag=1;
for(i=0;i<8;i++)
{
tempx=s+d[i][0];
tempy=t+d[i][1];
if(tempx>=1&&tempx<=r&&tempy>=1&&tempy<=c&&map[tempx][tempy]=='W')
dfs(tempx,tempy);
}
}
}
int main()
{
int i,j;
scanf("%d%d",&r,&c);
for(i=1;i<=r;i++)
{
getchar();
for(j=1;j<=c;j++)
scanf("%c",&map[i][j]);
}
times=0;
for(i=1;i<=r;i++)
for(j=1;j<=c;j++)
{
flag=0;
dfs(i,j);
if(flag)
times++;
}
printf("%d\n",times);
return 1;
}
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