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#include <iostream> #include <vector> #include <queue> using namespace std; int main() { int a,b; cin>>a>>b; char mat[a][b]; bool v[a][b]; for(int i=0;i<a;i++) { for(int j=0;j<b;j++) { cin>>mat[i][j]; v[i][j]=false; } } int k=0; for(int i=0;i<a;i++) { for(int j=0;j<b;j++) { if(mat[i][j]=='+' && v[i][j]!=true) { queue<int>Q; Q.push(i); Q.push(j); while(!Q.empty()) { int ci=Q.front(); Q.pop(); int cj=Q.front(); Q.pop(); if(ci+1<a && mat[ci+1][cj]!='-' && v[ci+1][cj]==false) { Q.push(ci+1); Q.push(cj); v[ci+1][cj]=true; } if(ci-1>=0 && mat[ci-1][cj]!='-' && v[ci-1][cj]==false) { Q.push(ci-1); Q.push(cj); v[ci-1][cj]=true; } if(cj+1<b && mat[ci][cj+1]!='-' && v[ci][cj+1]==false) { Q.push(ci); Q.push(cj+1); v[ci][cj+1]=true; } if(cj-1>=0 && mat[ci][cj-1]!='-' && v[ci][cj-1]==false) { Q.push(ci); Q.push(cj-1); v[ci][cj-1]=true; } } k++; } } } cout<<k; return 0; }
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