18 lines
No EOL
424 B
Haskell
18 lines
No EOL
424 B
Haskell
import Data.Either
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e=[]:e
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a=m.m.m.k
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h=any$all i
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w p=head.rights.p
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a?b|c a,i b=b|let=l 0
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k d i|i==l d=r d|let=i
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(x:y)#f=m(x!)(a x f):y#a x f
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a&x|(u,_:v)<-break(==x)a=u:v&x|let=[a]
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p(x:(_:y))=m read(x&',')#(m(m(l.read).words)y&[])
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x!d|h d||h(foldr(z(:))e d)=r$(x*)$sum$lefts=<<d|let=l 0
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main=interact$show.((,).w((\(b,h:_)->z(?)(last b)h).span(any c))<*>w(filter i=<<)).p.lines
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m=map
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r=pure
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l=Left
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c=isLeft
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z=zipWith
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i=isRight |