using System;

using System.Collections;

​

// Resolved by Truong Cong Hieu

public class PrintTheRandomNumber{

    // Driver code

    public static void Main(string []args)

    {

        // Declare n here

        int n = 10;

​

        generateRandom(n);

    }

    // Function to return the next random number

    static int getNum(ArrayList v)

    {

​

        int n = v.Count;

        Random rand = new Random();

        int index = (rand.Next() % n);

        int num = (int)v[index];

        v[index] = (int)v[n - 1];

        v.Remove(v[n - 1]);

        return num;

    }

​

    // Function to generate n

    // non-repeating random numbers

    static void generateRandom(int n)

    {

        ArrayList v = new ArrayList(n);

​

        for(int i = 0; i < n; i++)

            v.Add(i + 1);

​

        while (v.Count > 0)

        {

            Console.Write(getNum(v) + " ");

        }

    }

}