for (int i = 0; i < freq_array.Length; i++)
        {
            for (int n = 1; n < i; n++)
            {
                if (freq_array[n] < freq_array[i])
                    freq_array[i] = freq_array[n];
            }
        }

        for (int x = 0; x < freq_array.Length; x++)
        {
            lblOutDigits.Text = "";
            lblOutDigits.Text += freq_array[x];
        }

if (freq_array[n] < freq_array[i])
    freq_array[i] = freq_array[n];

int temp;
     for (int i = 0; i < freq_array.Length; i++)
            {
                for (int n = 1; n < i; n++)
                {
                    if (freq_array[n] < freq_array[i]){
                        temp = freq_array[i];
                        freq_array[i] = freq_array[n];
                        freq_array[n] = temp;
                    }
                }
            }

int[] x = { 20, 10, 50, 46, 26, 87, 25, 5, 97, 24 };
for (int i = 0; i < x.Length; i++)
{
    for (int j = i; j < x.Length; j++)
    {
        if (x[i] > x[j])
        {
            int temp;
            temp = x[i];
            x[i] = x[j];
            x[j] = temp;
        }
    }

}