code:
#include<iostream>
#include<cstdio>
using namespace std;
char a[205][205];
int b[205][205];
int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};
int n,m,ans;
void dfs(int x,int y)
{
//cout<<ans<<' '<<x<<' '<<y<<endl;
if(b[x][y]==0)return;
b[x][y]=0;
for(int i=0;i<=3;i++)
{
if(x+dx[i]>n||x+dx[i]<1||y+dy[i]>200||y+dy[i]<1)continue;
dfs(x+dx[i],y+dy[i]);
}
}
int main()
{
cin>>n;
for(int i=0;i<=n;i++)
for(int j=1;j<=201;j++)
{
scanf("%c",&a[i][j]);
if(a[i][j]=='\n')break;
if(a[i][j]==' '||a[i][j]=='*')b[i][j]=0;
else b[i][j]=1;
}
//for(int i=0;i<=n;i++){for(int j=1;j<=20;j++)cout<<b[i][j];cout<<endl;}
for(int i=1;i<=n;i++)
for(int j=1;j<=200;j++)
{
if(b[i][j]!=0)ans++,dfs(i,j);
}
cout<<ans;
return 0;
}
QAQ