We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. Python
  3. Itertools
  4. Iterables and Iterators
  5. Discussions

Iterables and Iterators

  • maluisamrok
     + 0 comments

    this work so good and fast!!!

    import itertools
N =int(input())
cadena =input().split()
k=int(input())

print(len(list(itertools.filterfalse(lambda a: 'a' not in a,itertools.combinations(cadena, k))))/(len (list(itertools.combinations(cadena, k)))))