private void button2_Click(object sender, EventArgs e)
{
textBox1.Text = "searching...";
textBox1.Refresh();
int[] a = helper.generate_random_array(number_of_queen());
ILocal_Search <int[]> h = new first_choise <int[]>();
n_queens_problem nqp = new n_queens_problem();
int[] result = h.solve(nqp, a);
textBox1.Text = print_n_queen_result(result);
}
private void button4_Click(object sender, EventArgs e)
{
textBox5.Text = "searching...";
textBox5.Refresh();
int color_constraint = number_of_colors();
int[] a = helper.generate_random_array(number_of_nodes(), color_constraint);
bool[,] adj_matrix = get_adjacency_matrix();
ILocal_Search <int[]> h = new first_choise <int[]>();
graph_coloring gc = new graph_coloring(adj_matrix, color_constraint);
int[] result = h.solve(gc, a);
textBox5.Text = print_graph_coloring_result(gc, result);
}