fork(1) download 
  1. from itertools import *
  2. def ch(n):
  3.     s = ''
  4.     alp = '2468'
  5.     for i in n:
  6.         if i in alp:
  7.             s+='!'
  8.         else:
  9.             s+=i
  10.     if ('!0' in s) or ('0!' in s):
  11.         return False
  12.     else:
  13.         return True
  14.  
  15. mass= set() 
  16. a = product('012345678',repeat =5)
  17. for i in a:
  18.     z = ''.join(i)
  19.     if z[0]!= '0' and ch(z) ==True and z.count('0')==1:
  20.         mass.add(z)
  21. print(len(mass))
Success #stdin #stdout 0.14s 9892KB
comments (?)
stdin 
Standard input is empty
stdout 
5120
https://ideone.com/PWMDmn
language:
Python 3 nbc (python 3.7.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!