# 计算阶乘的多种方法 def factorial_recursive(n): if n == 0 or n == 1: return 1 return n * factorial_recursive(n - 1) def factorial_iterative(n): result = 1 for i in range(2, n + 1):
# 计算阶乘的多种方法 def factorial_recursive(n): if n == 0 or n == 1: return 1 return n * factorial_recursive(n - 1) def factorial_iterative(n): result = 1 for i in range(2, n + 1):