StackOverflow2013

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plurals

PO
primarykey
Id
13631389
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
1
CommunityOwnedDate
CreationDate
2012-11-29T17:30:31.890
FavoriteCount
0
LastActivityDate
2012-11-30T09:30:48.183
LastEditDate
2012-11-30T09:30:48.183
LastEditorUserId
189011
OwnerUserId
189011
ParentId
13628191
PostTypeId
2
Score
3
ViewCount
0
LastEditorDisplayName
text
Body
This solution uses only bitwise operators : <pre><code>class Program { static void Main(string[] args) { int n0, n1, n2, n3, n4, n5, n6, n7; int n0_, n1_, n2_, n3_, n4_, n5_, n6_, n7_; // Input data n0 = 0; n1 = 64; n2 = 8; n3 = 8; n4 = 0; n5 = 12; n6 = 224; n7 = 0; for (int i = 0; i < 7; i++) { n0_ = n0 & n1 & n2 & n3 & n4 & n5 & n6 & n7; n1_ = (n1 & n2 & n3 & n4 & n5 & n6 & n7) | n0; n2_ = (n2 & n3 & n4 & n5 & n6 & n7) | n1; n3_ = (n3 & n4 & n5 & n6 & n7) | n2; n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n0 = n0_; n1 = n1_; n2 = n2_; n3 = n3_; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; } Console.WriteLine("n0: {0}", n0); Console.WriteLine("n1: {0}", n1); Console.WriteLine("n2: {0}", n2); Console.WriteLine("n3: {0}", n3); Console.WriteLine("n4: {0}", n4); Console.WriteLine("n5: {0}", n5); Console.WriteLine("n6: {0}", n6); Console.WriteLine("n7: {0}", n7); } } </code></pre> It can be simplified though, because we don't really need to recompute all numbers : At each iteration, the top row is definitively good. I mean this : <pre><code>class Program { static void Main(string[] args) { int n0, n1, n2, n3, n4, n5, n6, n7; int n0_, n1_, n2_, n3_, n4_, n5_, n6_, n7_; n0 = 0; n1 = 64; n2 = 8; n3 = 8; n4 = 0; n5 = 12; n6 = 224; n7 = 0; n0_ = n0 & n1 & n2 & n3 & n4 & n5 & n6 & n7; n1_ = (n1 & n2 & n3 & n4 & n5 & n6 & n7) | n0; n2_ = (n2 & n3 & n4 & n5 & n6 & n7) | n1; n3_ = (n3 & n4 & n5 & n6 & n7) | n2; n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n0 = n0_; n1 = n1_; n2 = n2_; n3 = n3_; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n0: {0}", n0); n1_ = (n1 & n2 & n3 & n4 & n5 & n6 & n7) | n0; n2_ = (n2 & n3 & n4 & n5 & n6 & n7) | n1; n3_ = (n3 & n4 & n5 & n6 & n7) | n2; n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n1 = n1_; n2 = n2_; n3 = n3_; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n1: {0}", n1); n2_ = (n2 & n3 & n4 & n5 & n6 & n7) | n1; n3_ = (n3 & n4 & n5 & n6 & n7) | n2; n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n2 = n2_; n3 = n3_; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n2: {0}", n2); n3_ = (n3 & n4 & n5 & n6 & n7) | n2; n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n3 = n3_; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n3: {0}", n3); n4_ = (n4 & n5 & n6 & n7) | n3; n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n4 = n4_; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n4: {0}", n4); n5_ = (n5 & n6 & n7) | n4; n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n5 = n5_; n6 = n6_; n7 = n7_; Console.WriteLine("n5: {0}", n5); n6_ = (n6 & n7) | n5; n7_ = n7 | n6; n6 = n6_; n7 = n7_; Console.WriteLine("n6: {0}", n6); n7_ = n7 | n6; n7 = n7_; Console.WriteLine("n7: {0}", n7); } } </code></pre>
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POBitwise operation exercise
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. UShoang
UserOwnerUserId
1. UShoang
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
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 PO
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 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
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 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
3. VO
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 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. COI knew there would be simple solution... Thank you @hoang! I like your method.
 singulars
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 PO
 UserUserId
 USTodo

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