/*
Generate goal different numbers in range 1,...,range.
goal and range may be given as program parameters.
Default values are 50 and 100.
*/
import java.util.*;
class Generera {
    public static void main(String[] a) {

	HashSet<Integer> hset = new HashSet<Integer>();

	int goal = 50;     
	int range = 100;   
	if (a.length > 0)
	    goal = Integer.parseInt(a[0]);
	if (a.length > 1)
	    range = Integer.parseInt(a[1]);

	int tries = 0;
	while (hset.size() < goal) { // repeat until hset has goal numbers
	    int next = (int)(Math.random()*range + 1);
	    hset.add(next);
	    tries++;                 // count the number of tries
	}
	System.out.println();
	System.out.println( tries + " numbers were tried");
	System.out.println("The " + goal + " different numbers are ");
	for (int i:hset)
	    System.out.print(i + " ");
	System.out.println();
    }
}