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

  • Shamanand1y2
     + 0 comments
    from itertools import combinations_with_replacement as cwr
s,k=input().split()
s=''.join(sorted(s))
for i in list(cwr(s,int(k))): print(''.join(i))