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Answers and rating deltas for

what does this expression mean "val&=val-1"

Author Votes Δ
Eran 5 +0.35
Rafalon 3 +3.18
Joop Eggen 1 -0.09
lukeg 0 -2.77
Taslim Oseni 0 -2.31
Last visited: Apr 25, 2018, 12:25:29 PM