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Answers and rating deltas for

what is the significance of modulo 10^9+7 used in codechef and spoj problems?

Author Votes Δ
tmyklebu 10 +0.52
Abhishek Ranjan 1 -1.77
Anton Savin 1 -2.41
Last visited: May 1, 2015, 9:59:46 PM