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Answers and rating deltas for

Why does this code print a result of '7'?

Author Votes Δ
James Goodwin 8 +0.85
Dirk Vollmar 6 -0.01
GreenMatt 1 +0.47
Anthony Potts 1 +0.37
tathagata 0 -2.83
Daenyth 0 -3.11
Last visited: Sep 14, 2014, 5:07:29 AM