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

  • PortalPirate
     + 0 comments
    # Enter your code here. Read input from STDIN. Print output to STDOUT
from itertools import combinations_with_replacement
string,size=input().split()
string=sorted(string)
size=int(size)
for i in list(combinations_with_replacement(string,size)):
    print(''.join(i))