mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
46 lines
935 B
C++
46 lines
935 B
C++
|
#include<stdio.h>
|
||
|
#include<string.h>
|
||
|
char map[110][110];
|
||
|
int move[8][2]={1,0,-1,0,0,1,0,-1,1,1,-1,-1,1,-1,-1,1};
|
||
|
int h,w;
|
||
|
void dfs(int x,int y)
|
||
|
{
|
||
|
int next_x,next_y,i;
|
||
|
map[x][y]='*';
|
||
|
for(i=0;i<8;i++)
|
||
|
{
|
||
|
next_x=x+move[i][0];
|
||
|
next_y=y+move[i][1];
|
||
|
if(next_x>=0&&next_x<h&&next_y>=0&&next_y<w)
|
||
|
{
|
||
|
if(map[next_x][next_y]=='@')
|
||
|
{
|
||
|
dfs(next_x,next_y);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
int main()
|
||
|
{
|
||
|
int i,j,sum;
|
||
|
while(scanf("%d%d",&h,&w)&&(h!=0||w!=0))
|
||
|
{
|
||
|
for(i=0;i<h;i++)
|
||
|
scanf("%s",map[i]);
|
||
|
sum=0;
|
||
|
for(i=0;i<h;i++)
|
||
|
{
|
||
|
for(j=0;j<w;j++)
|
||
|
{
|
||
|
if(map[i][j]=='@')
|
||
|
{
|
||
|
dfs(i,j);
|
||
|
sum++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
printf("%d\n",sum);
|
||
|
}
|
||
|
return 0;
|
||
|
}
|