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  1. g b|a<-[b!!0..last b]=last$0:[c|c<-a,b==filter(/=c)a]
  2. f=maximum.map(g.map read.words.concat).mapM(\c->[[c],c:" "])
  3.  
  4. main = print $ map f ["123467",
  5.                       "911",
  6.                       "123125",
  7.                       "123",
  8.                       "121314"]
Success #stdin #stdout 0.04s 6760KB
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Standard input is empty
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[5,10,124,0,0]
https://ideone.com/CrtKf2
language:
Haskell (ghc 8.4.4)
created:
8 years ago
visibility:
public

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