1169 : 주사위 던지기1

import java.util.Scanner;
 
public class Main {
     
     static int n, m;
     static int arr[] = new int [101];
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
         
         
        n = scan.nextInt();
        m = scan.nextInt();
         
        if (m == 1) {
            dice1(1);
        }
        else if (m == 2) {
            dice2(1, 1);
        }
        else if (m == 3) {
            dice3(1);
        }
         
         
    }
     
    private static void dice1(int level) {
        int i;
         
        if (level > n) {
            output();
            return;
        }
        else {
            for (i = 1; i <= 6; i++) {
                arr[level] = i;
                dice1(level + 1);
            }
        }
         
    }
     
    private static void dice2(int level, int s) {
        int i;
        if (level > n) {
            output();
            return;
        }
         
        for (i = s; i <= 6; i++) {
            arr[level] = i;
            dice2(level + 1, i);
        }
    }
     
    private static void dice3(int level) {
        int i;
        if (level > n) {
            output();
            return;
        }
        else {
            for (i = 1; i <= 6; i++) {
                if (!check(level, i)) {
                    continue;
                }
                arr[level] = i;
                dice3(level + 1);
            }
        }
         
    }
     
    private static boolean check(int level, int a) {
        // TODO Auto-generated method stub
        int i;
        for (i = 1; i < level; i++) {
            if (arr[i] == a) {
                return false;
            }
        }
        return true;
    }
 
    private static void output() {
        int i;
        for (i = 1; i <= n; i++) {
            System.out.printf("%d ", arr[i]);
        }
        System.out.printf("\n");
    }
}

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