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Results tagged with decision-problem
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user 72984
For challenges which involve deciding whether or not the input meets certain criteria, and outputting some data, representing that decision.
7
votes
Hexagonal adjacency
Elixir, 263 257 264 223 214 218 214 bytes
a=fn x,y->i=&(&1*(&1-1)*3+1)
[x,y]=Enum.sort [x,y]
if x<1,do: y in 1..6,else: (y-x==1||fn->a=y-trunc i.((r=(:math.sqrt(12*x-3)+3)/6)+1)
t=trunc r
a in [0,1,r …
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