Knight Distance formula

Revision en1, by Opportunity, 2017-03-29 14:35:30

http://olympiad.cs.uct.ac.za/old/saco2007/day1_2007_solutions.pdf Can someone please explain how the formula for the 4th problem (The Knights Who Say Ni) was derived.

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en1 English Opportunity 2017-03-29 14:35:30 192 Initial revision (published)