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  1. Prepare
  2. Python
  3. Sets
  4. Set .discard(), .remove() & .pop()
  5. Discussions

Set .discard(), .remove() & .pop()

  • erzwo
     + 0 comments
    n = int(input())
s = set(map(int, input().split()))
N = int(input())

for _ in range(N):
    inp = list(input().split())
    if len(inp) == 2:
        getattr(s, inp[0])(int(inp[1]))
    else:
        getattr(s, inp[0])()

print(sum(s))