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323 logic/chain.p




Description

This article is from the Puzzles FAQ, by Chris Cole chris@questrel.questrel.com and Matthew Daly mwdaly@pobox.com with numerous contributions by others.

323 logic/chain.p


What is the least number of links you can cut in a chain of 21 links to be able
to give someone all possible number of links up to 21?

logic/chain.s

Two.

OOO C OOOOO C OOOOOOOOOOO
(where Os are chained unbroken links, and the Cs are the unchained broken links)

And equivalently:

OOO C OOOOOO C OOOOOOOOOO

 

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