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  1. n,k=input().split()
  2. n=int(n)
  3. k=int(k)
  4. m=0
  5. s={'a','n','t','i','c'}
  6. for i in range(1,n+1):
  7.     p=set(input())
  8.     if len(p | s) <= k:
  9.         m=m+1
  10.         a=list(p^s)
  11.         for i in range(0,len(a)):
  12.             s.add(a[i])
  13.  
  14. print(m)
  15.  
Success #stdin #stdout 0.02s 9232KB
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https://ideone.com/yRka2J
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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