用python求1到20阶乘的和res=0 fac=1 foriinrange(1,21):fac*=i res+=fac 从一的阶乘加到二十的阶乘的和是多少?和是:2561327494111820300。以下是通过C进行的计算:include"stdio.h"voidmain(){ inti;doubles=0,x=1;for(i=1;i=20;i++){ x=x*i;s=s+x;} printf("%.0f",s);}...
python求1到20阶乘的和? def factorial(n):if n == 1:return 1else:return n*factorial(n-1)def SumFactorial(m):if m ==1 :return factorial(1)else:return factorial(m) + SumFactorial(m-1)m = 20print(SumFactorial... python 简单教程-python免费教程 附学习线路图+安装包 python在线指导学习,p...
eval('+'.join(['*'.join(['%s'%(i) for i in range(j)][1:]) for j in range(21)])...
def sum_factorial(start, stop): # 递归求阶乘 def factorial(n): if n == 0: retur...
sum_factorial(start, stop): # 递归求阶乘 def factorial(n): if n == 0: return 1 return n * factorial(n-1) # 生成器解析式生成各个数的阶乘,然后再求和 return sum(factorial(i) for i in range(start, stop+1))# 调用函数,测试代码print(sum_factorial(1, 20))注...
res = 0 fac = 1 for i in range(1, 21):fac *= i res += fac
#求1到5阶乘之和 # a = 1 sum = 0 for i in range(1,6): a = i*a sum = sum+a print(sum)
i21;i++){ Sum+=f(i);} cout"Sumis:"Sumendl;} longf(intn){ if(n==1)return1;else { returnn*f(n-1);} } 结语:以上就是首席CTO笔记为大家整理的关于Python1到20的阶乘和是多少的相关内容解答汇总了,希望对您有所帮助!如果解决了您的问题欢迎分享给更多关注此问题的朋友喔~
sum=0forninrange(2,22):k=1forminrange(1,n):k=k*msum=sum+kprint(sum)
# using python 3# v1deffact(i):result=1forjinrange(1,i+1):result*=jreturnresultprint(sum(...