using System;

public class Program

{

    public static class RandomUtils

{

    public static int[] generateUniqueNumbers(int minValue, int maxValue)

    {

        if (minValue > maxValue)

            throw new ArgumentException("Minimal value cannot be bigger than maximal value.");

​

        int[] values = new int[maxValue - minValue + 1];

​

        for (int i = 0; i < values.Length; ++i)

            values[i] = minValue + i;

​

        Random random = new Random();

​

        for (int i = 0; i < values.Length; ++i)

        {

            int index = random.Next(values.Length);

​

            if (i == index)

                continue;

​

            int tmp = values[i];

​

            values[i] = values[index];

            values[index] = tmp;

        }

​

        return values;

    }

}

    public static void Main()

    {

     int[] ranges = {

    // min, max,

     1, 52

};

​

for(int i = 0; i < ranges.Length; i += 2)

{

    int minValue = ranges[i + 0];

    int maxValue = ranges[i + 1];

    //get random numbers from 1 to 52

    int[] values = RandomUtils.generateUniqueNumbers(minValue, maxValue);

​

    Console.WriteLine("Random values from " + minValue + " to " + maxValue + ": ");

​

    foreach (int entry in values)

        Console.Write(entry + " ");

​

    Console.WriteLine();

}

    }

}