Problem 2735. Binary Neighbourhood

Created by Jan Orwat
Appears in Number Manipulation II

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Given a natural number reorder its binary form to create another number, closest to the given one.

Examples:

1 gives 2, ( 1(dec) > 1 > 01 > 10 > 2(dec) )
2 gives 1, ( 2(dec) > 10 > 01 > 1(dec) )
5 gives 6, ( 5(dec) > 101 > 110 > 6(dec) )

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Last Solution submitted on Dec 30, 2024

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3 Comments

Alfonso Nieto-Castanon on 19 Jan 2015

one perhpas "unfair" issue with this scoring system is that it penalizes strings by their length (e.g. unique(...,'sorted') costs more points than unique(...,'rows')) which encourages attempting to avoid strings all together...

Jan Orwat on 19 Jan 2015

That's good point. Thanks for your involvement Alfonso. I will disable this feature. I thought it's right approach to count strings like that but your argument shows there are many exceptions, so... not a good idea.

Alfonso Nieto-Castanon on 23 Jan 2015

but I liked your fix for the ans trick, I wish that was part of the standard cody scoring!

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Problem 2735. Binary Neighbourhood

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Problem 2735. Binary Neighbourhood

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Last 200 Solutions

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Problem Recent Solvers91

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