11478 - Halum

All about problems in Volume 114. If there is a thread about your problem, please use it. If not, create one with its number in the subject.

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rs17
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11478 - Halum

Post by rs17 » Tue Aug 12, 2008 5:18 pm

I've got Wrong Answer on this one. And I notice that there is only one person, who is problem setter of this problem, getting Accepted on this problem. So I doubt if there are some tricky/wrong test case.

My algorithm is binary search the answer(pre-determine if the answer is infinite) and use difference restricted system to deside if the answer is valid. The lower & upper bound is 1 and 20000.
How did I fall in love with PERL?

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