Minesweeper

ACCEPTED at last after a long stand with a presentation error!!!
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Question: Minesweeper
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#include "iostream.h"

int arr[102][102];

void increment(int i, int j) {
if(arr[i][j] != -1) arr[i][j]++;
}

int main()
{
int n, m;
char c;

int count = 1;
while(true) {
    cin >> n >> m;
    if(n == 0 && m == 0) break;
    if(count > 1) cout << "\n"; 
    for(int i = 1; i <= n; i++) for(int j = 1; j <= m; j++) arr[i][j] = 0;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            cin >> c;
            if( c == '*') {
                arr[i][j] = -1;
                increment(i, j + 1);
                increment(i, j - 1);
                increment(i + 1, j);
                increment(i + 1, j + 1);
                increment(i + 1, j - 1);
                increment(i - 1, j);
                increment(i - 1, j + 1);
                increment(i - 1, j - 1);
            }
        }
    }

    cout << "Field #" << count++ << ":" << endl;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            if(arr[i][j] == -1) cout << '*';
            else cout << arr[i][j];
        }
        cout << endl;
    }
}
return 0;
}
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