factorial python code

Today in Baidu stroll some of the platform of CTF, accidentally found a programming problem, then, I just learned the Python knowledge to solve the problemThe description of the topic is this:Calculates the 1!+2!+3!+...+6666! after five bits.This calculation is very large, I still use the traditional method, let the computer calculate itHere is the code:1 #-*-coding:utf-8-*-2 #Calculate 1!+2!+3!+......+n!3

After seeing the topic, analysis, the factorial of 10 is already very big. The calculation of the end of the number of 0, completely unrealistic, even if the implementation is also very troublesome. Later, when you think of a number in the factorial of the product has 5 end of the number should be at the end of the result of a 0. Put it into practice, test a few, no mistakes. Posted out, we look, have a

have been learning, but did not come to the blog park, write some, write a factorial small codedef f (N): last =1 for in range (1,n+1): last *=i return lastnum=int (input ('what thenumber\n' ) Print ('f'+'('+str (num) +') = ', F (num))Or with a recursive approach.def fact (n): if n==1: return 1 return n*fact (n-1) num=int (input (' What the number\n ') print (' fact ' + ') ( ' +str (num) + ') = ', fact (num))The follow

Today, I went around for a boring search and asked: Who can provide detailed procedures for the 20 factorial in vbs? The answer is as follows:Copy codeThe Code is as follows: function jx (x)J = 1For I = 2 to xJ = j * INextJx = jEnd functionMsgbox jx (20) Run the above program and output 2.43290200817664E + 18. Smiling, I once again proved my previous conclusion that most of my answers to questions on such

Today, the boring stroll a search to ask, to find such a problem: Who can provide a detailed procedure for the factorial of 20 in the VBS Here are some answers to this: Copy Code code as follows: function JX (x) J=1 For i=2 to X J=j*i Next Jx=j End Function MsgBox Jx (20) Run the above program and output 2.43290200817664E+1

Small code for factorial operations in PHP $ Sum = 1; $ Num = 7; If ($ num> 0 ){ For ($ I = $ num; $ I> 0; $ I --){ $ Sum * = $ I; } Echo $ sum; } Elseif ($ num // Note that this is ++, and the negative number is close to 0, that is, ++. For ($ I = $ num; $ I $ Sum * = $ I; } Echo $ sum; } Else

The code looks like this: Copy Code code as follows: #include #include #define N 10//n factorial int main () {//array 1-bit 1! int Ary[n] = {1, 1}; int I, J; for (i = 2; I { The factorial of each subscript, the No. 0 digit subscript is the number of digits,

Factorial Solved Problem code: FCTRL, factorialfctrl 1 import sys 2 # import psyco # It is very strange that psyco is used to solve the runtime error 3 4 5 # psyco. full () 6 7 8 def z (n): # This should be a skillful algorithm 9 r = 010 while 5 /// ANOTHER METHOD 1 for n in map (int, sys. stdin. read (). split () [1:]: 2 print z (n) Learning For t in sys. stdin loop input can be reused This functi

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Five methods to make Python code run faster: python code Regardless of the language, we need to pay attention to performance optimization issues to improve execution efficiency. If you select a scripting language, you have to endure its speed. This statement illustrates to some extent the shortcomings of

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Five methods to make Python code run faster and five methods to run python code Regardless of the language, we need to pay attention to performance optimization issues to improve execution efficiency. If you select a scripting language, you have to endure its speed. This statement illustrates to some extent the shortco