StackOverflow2013

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plurals

PO
primarykey
Id
3502867
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
2
CommunityOwnedDate
2010-08-17T13:26:21.143
CreationDate
2010-08-17T13:26:21.143
FavoriteCount
0
LastActivityDate
2010-08-18T22:24:10.420
LastEditDate
2010-08-18T22:24:10.420
LastEditorUserId
375232
OwnerUserId
375232
ParentId
3499538
PostTypeId
2
Score
9
ViewCount
0
LastEditorDisplayName
text
Body
Scala - <strike>467</strike> <strike>364</strike> 339 chars <pre><code>object G{def main(a:Array[String]){val l=io.Source.fromFile(new java.io.File(a(0)))getLines("\n")map(_.toSeq)toSeq val f=new java.io.FileWriter("out.txt") f.write((1 to a(1).toInt).foldLeft(l){(t,_)=>(for(y<-0 to 39)yield(for(x<-0 to 79)yield{if(x%79==0|y%39==0)'.'else{val m=t(y-1) val p=t(y+1);val s=Seq(m(x-1),m(x),m(x+1),t(y)(x-1),t(y)(x+1),p(x-1),p(x),p(x+1)).count('X'==_) if(s==3|(s==2&t(y)(x)=='X'))'X'else'.'}})toSeq)toSeq}map(_.mkString)mkString("\n")) f.close}} </code></pre> I think there is much room for improvement... [Edit] Yes, it is: <pre><code>object G{def main(a:Array[String]){var l=io.Source.fromFile(new java.io.File(a(0))).mkString val f=new java.io.FileWriter("out.txt") var i=a(1).toInt while(i>0){l=l.zipWithIndex.map{case(c,n)=>if(c=='\n')'\n'else{val s=Seq(-83,-82,-81,-1,1,81,82,83).map(_+n).filter(k=>k>=0&k<l.size).count(l(_)=='X') if(s==3|(s==2&c=='X'))'X'else'.'}}.mkString i-=1} f.write(l) f.close}} </code></pre> [Edit] And I have the feeling there is still more to squeeze out... <pre><code>object G{def main(a:Array[String]){val f=new java.io.FileWriter("out.txt") f.write(((1 to a(1).toInt):\(io.Source.fromFile(new java.io.File(a(0))).mkString)){(_,m)=>m.zipWithIndex.map{case(c,n)=> val s=Seq(-83,-82,-81,-1,1,81,82,83)count(k=>k+n>=0&k+n<m.size&&m(k+n)=='X') if(c=='\n')c else if(s==3|s==2&c=='X')'X'else'.'}.mkString}) f.close}} </code></pre>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POCode Golf: Conway's Game of Life
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USLandei
UserOwnerUserId
1. USLandei
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
3. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. COYou made me read the Scala Wikipedia article. What a beautiful language! :)
 singulars
 PostPostId
 PO
 UserUserId
 USVincent
2. COYes, it is. It changed my life.
 singulars
 PostPostId
 PO
 UserUserId
 USLandei

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