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Search type | Search syntax |
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Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
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Saves | in:saves |
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closed:yes duplicate:no migrated:no wiki:no |
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is:question is:answer |
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-[tag] -apples |
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The challenge involves mathematics in some central way. Also consider using more specific tags, listed in the tag wiki info.
1
vote
How long does it take to paint a stick?
CoffeeScript - 183 247 224 215 207
x=(s,c='')->return 0if !s[0]?;return x s[1..],c if s[0]is c;l=s.length;return x s[1...l],c if s[l-1]is c;i=s.lastIndexOf s[0];1+(x s[1...i],s[0])+x s[i+1..],c
y=(z) …