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Answers and rating deltas for

Which is faster? Checking if an element is already in a set, if not add it or just adding it anyway?

Author Votes Δ
Suresh Atta 5 +0.82
Zereges 3 -0.21
JayC667 1 -3.27
Last visited: Aug 26, 2016, 2:34:25 PM