static void Main(string[] args)
{
int m = 1236578;
int[] ms = new int[m.ToString().Length];
Rev(m.ToString().Length, m, ref ms);
for (int i = 0; i < m.ToString().Length; i++)
Console.Write("{0}", ms[i]);
Console.ReadLine();
}
private static void Rev(int len, int m, ref int[] ms)
{
if (m / 10 > 0)
{
ms[len - m.ToString().Length] = m % 10;
Rev(len, m / 10, ref ms);
return;
}
ms[len - m.ToString().Length] = m % 10;
}