Code:
import java.util.Random;
import java.util.Scanner;
public class Random_Subset_Coin_Flipping
{
static int coinFlip()
{
Random random = new Random();
return random.nextInt(2);
}
public static void main(String args[])
{
Random random = new Random();
Scanner sc = new Scanner(System.in);
System.out.println("Enter the number of elements in the set: ");
int N = sc.nextInt();
int[] sequence = new int[N];
for (int i = 0; i < N; i++)
sequence[i] = Math.abs(random.nextInt(100));
System.out.println("The elements in the set : ");
for (int i = 0; i < N; i++)
System.out.print(sequence[i] + " ");
System.out.print("\nThe random subset is: \n{ ");
for (int i = 0; i < N; i++)
if (coinFlip() == 1)
System.out.print(sequence[i] + " ");
System.out.println("}");
sc.close();
}
}
Output:
Enter the number of elements in the set:
10
The elements in the set :
1 44 88 58 8 62 94 59 38 33
The random subset is:
{ 1 44 8 33 }
Enter the number of elements in the set:
3
The elements in the set :
0 42 91
The random subset is:
{ 42 91 }
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