/*public static void main(String[] args) {
//int[] num ={22,33,44,32,99,56};
int []num=new int[4];
for(int k=0;k<num.length;k++)
num[k]=k+1;
int n = num.length;
int[] result = new int[n];
for(int i=0;i<result.length;i++) {
int r = (int)(Math.random()*n);
result[i] = num[r];
num[r] = num[n-1]; //move the last element to the location r.
n--;
System.out.print(result[i]+" "); //print
}
}*/
//int[] num ={22,33,44,32,99,56};
int []num=new int[4];
for(int k=0;k<num.length;k++)
num[k]=k+1;
int n = num.length;
int[] result = new int[n];
for(int i=0;i<result.length;i++) {
int r = (int)(Math.random()*n);
result[i] = num[r];
num[r] = num[n-1]; //move the last element to the location r.
n--;
System.out.print(result[i]+" "); //print
}
}*/
{
public static void main(String[] args)
{
int[] num = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
int[] res = new int[20];
for (int i = 0; i < 20; i++)
{
int j = 19 - i;
int r = (int)(Math.random() * j);
res[i] = num[r];
int temp = num[j];
num[j] = num[r];
num[r] = temp;
System.out.println(res[i]);
}
}
}