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

Set Mutations

  • anand995kumar
     + 0 comments
    N = input()
a = set(map(int,input().split()))

for i in range(int(input())):
    t = list(input().split())
    r = set(map(int,input().split()))
    eval(f"a.{t[0]}(r)")
print(sum(a))