import java.util.Scanner;public class NandM { static int n, m; static int[] s; static boolean[] visited; public static void main(String[] args) { Scanner sc = new Scanner(System.in); n = sc.nextInt(); m = sc.nextInt(); s = new int[m]; visited = new boolean[n + 1]; def(0); } static void def(int depth) { if (depth == m) { ..
