07/06/21 16:52:22
>>461
import java.util.*;
public class Betty {
Set<String> l = new TreeSet<String>();
public void add(int x, int y, int z) {
if (x == y || y == z || z == x) return;
l.add(x + "-" + y + "-" + z);
}
public int size() {return l.size();}
public Set<String> get() {return l;}
public static void main(String[] args) {
int h = Integer.parseInt(args[0]);
int c = args.length < 2 ? 5 : Integer.parseInt(args[1]);
if (h < 8 || 18 < h) throw new IllegalArgumentException("8-18");
Betty b = new Betty();
while (b.size() < c) b.add(r(h), r(h), r(h));
for (String s : b.get()) System.out.println(s);
}
static int r(int c) {return (int)(Math.random() * c) + 1;}
}