阶乘
/// <summary>
/// 得到阶乘
/// </summary>
/// <param name="n"></param>
/// <returns></returns>
public static int Factorial(int n)
{
return ((n <= 1) ? 1 : (n * Factorial(n - 1)));
}
/// 得到阶乘
/// </summary>
/// <param name="n"></param>
/// <returns></returns>
public static int Factorial(int n)
{
return ((n <= 1) ? 1 : (n * Factorial(n - 1)));
}