static void Main()
 {
     var nQueens = new NQueens(8);
     int count = 0;
     nQueens.ResolveNQueens(0, ref count);
     Console.WriteLine("Total solutions found: {0}", count);
     Console.ReadLine();
 }
        static void Main()
        {
            var nQueens = new NQueens(8);
            int count   = 0;

            nQueens.ResolveNQueens(0, ref count);
            Console.WriteLine("Total solutions found: {0}", count);
            Console.ReadLine();
        }