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  1. Prepare
  2. Python
  3. Sets
  4. Set Mutations
  5. Discussions

Set Mutations

  • adrien_cordonni1
     + 0 comments

    Can we make it even more concise?

    _, A = input(), set(map(int, input().split())) 
[getattr(A, input().split()[0])(set(map(int, input().split()))) for i in range(int(input()))]
print(sum(A))