fork(2) download
copy 
  1. from itertools import *
  2. print len(list(filter(
  3.   lambda candidate: all(imap(
  4.     lambda index: sum(imap(lambda _: _[index], candidate)) == 2,
  5.     xrange(5)
  6.   )),
  7.   product(set(permutations([0,0,0,1,1])), repeat=5)
  8. )))
  9.  
Success #stdin #stdout 0.49s 8832KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2040
https://ideone.com/m5iFTB
language:
Python (cpython 2.7.16)
created:
10 years 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!