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  1. Prepare
  2. Python
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No Idea!

  • singhshrajan
     + 0 comments
    1. n = map(int,input().split())
    2. n_int = list(map(int,input().split()))
    3. m_a = set(map(int,input().split()))
    4. m_b = set(map(int,input().split()))
    5. happiness = 0
    6. for i in n_int:
    7. if(i in m_a):
    8. happiness+=1
    9. elif(i in m_b):
    10. happiness -=1
    11. print(happiness)