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  1. Prepare
  2. Python
  3. Itertools
  4. itertools.combinations_with_replacement()
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itertools.combinations_with_replacement()

  • marinskiy
     + 2 comments

    Here is Python 3 solution from my HackerrankPractice repository:

    import itertools
s = input().split()
string, number = sorted(s[0]), int(s[1])
print(*list(map(''.join, itertools.combinations_with_replacement(string, number))), sep='\n')

    Feel free to ask if you have any questions :)