class Solution {
    public int countBattleships(char[][] board) {
        
        int count = 0;
        for(int i=0; i<board.length; i++)
            for(int j=0; j<board[0].length; j++)
                if(board[i][j] == 'X' && (i == 0 || board[i-1][j] != 'X') && (j == 0 || board[i][j-1] != 'X'))
                    count++;
        
        return count;
        
    }
}