11155 - Be Efficient

All about problems in Volume 111. 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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roticv
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Re: 11155 - Be Efficient

Post by roticv » Tue Jul 28, 2009 5:45 am

There's an O(n) solution. Almost similar in idea to 11237

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