10 lines
No EOL
268 B
Haskell
10 lines
No EOL
268 B
Haskell
import Data.List
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e=transpose
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h=head
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m=map
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l=length
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d=foldr(\x y->2*y+x)0.reverse
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(#)q=h.q.sortBy((.l).compare.l).group.sort
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x%f|x==[[]]=[]|i<-f#h(e x)=i:[u|y:u<-x,y==i]%f
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t x=d(x%last)*d(x%h)
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main=interact$show.((,).t<*>((*)<*>(-)4095).d.m(h#).e).m(m(read.pure)).lines |