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Answers and rating deltas for

Why do I get "error undeclared identifier" unless I declare my variable at the beginning?

Author Votes Δ
Pointy 2 +1.29
Clifford 1 +1.17
Joe Cullity 0 -1.53
Oliver Charlesworth 0 -1.22
Christoph 0 -1.05
Last visited: Sep 14, 2014, 5:07:29 AM