LRJ-Example-06-12-Uva572

#define _CRT_SECURE_NO_WARNINGS
#include <cstdio>
#include <cstring>
#include <string>
#include <istream>
#include <iostream>
using namespace std;

const int maxm = ;
char grid[maxm + ][maxm + ];
int visited[maxm + ][maxm + ];
int m, n;
int ans;

bool count(int i, int j)
{
    if (i <  || i >= m || j <  || j >= n || grid[i][j] == '*' || visited[i][j])
        return false;

    visited[i][j] = ;
    count(i + , j);
    count(i - , j);
    count(i, j + );
    count(i, j - );
    count(i + , j + );
    count(i + , j - );
    count(i - , j + );
    count(i - , j - );

    return true;
}

int main()
{

    while (cin >> m >> n && m > ) {
        memset(grid, , sizeof(grid));
        memset(visited, , sizeof(visited));
        ans = ;
        string line;
        getline(cin, line); // consume the newline
        for (int i = ; i < m; i++) {
            getline(cin, line);
            for (int j = ; j < n; j++) {
                grid[i][j] = line[j];
            }
        }

        for (int i = ; i < m; i++) {
            for (int j = ; j < n; j++) {
                if (count(i, j))
                    ans++;
            }
        }

        cout << ans << endl;

    }

    return ;
}