using System;

internal static class RandomUtil
{
    public static void Shuffle<T>(T[] array, Random random)
    {
        for (var num = array.Length - 1; num > 0; num--)
        {
            var index = random.Next(num + 1);
            (array[num], array[index]) = (array[index], array[num]);
        }
    }
}