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11426 - GCD - Extreme (II)

Posted: Sat Sep 05, 2009 4:41 am
by paradise_737
hi guys i was wondering how to make an efficient algorithm that reduces the run time of this problem .

mine got 5.96 secs whichs sucks , the top on this problem got 0.50 ( which is wooow ) i wish he can explain how he did it .