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

Set Mutations

  • oguzozer
     + 0 comments
    input()
elm = set(map(int, input().split()))
N = int(input())

for _ in range(N):
    op, l = input().split()
    getattr(elm, op)(set(map(int, input().split())))
print(sum(elm))