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Results tagged with code-golf
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user 21522
Code-golf is a competition to solve a particular problem in the fewest bytes of source code.
1
vote
Implement a FuzzyFinder
Ruby, 63
p=->(w,l){l.find_all{|x|x[w]}.sort{|a,b|a.index(w)-b.index(w)}}
Run
irb(main):022:0> p["mig", ["imig", "mig", "migd", "do", "Mig"]]
=> ["migd", "mig", "imig"]
Notes
First find all matching …
- 141
0
votes
How many IP addresses are in a given range?
Ruby, 93 bytes
a=->(x){s=i=0;x.split('.').map{|p|s+=256**(3-i)*p.to_i;i+=1};s}
s=->(x,y){1+(a[x]-a[y]).abs}
Output
irb(main):003:0> s['1.1.1.1', '1.1.1.2']
=> 2
irb(main):006:0> s['0.0.0.0', '255.255 …
- 141
0
votes
Determine if all decimal digits are unique
Ruby(47 characters)
->(x){x.to_s.chars.sort.uniq.size==x.to_s.size}
Example usage
->(x){x.to_s.chars.sort.uniq.size==x.to_s.size}[10]
=> true
- 141