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  1. a,b=gets.split(" ").map{|e| e.to_i}
  2. a=a.digits(2).reverse
  3. b=b.digits(2).reverse
  4. n=[a.size,b.size].max
  5. ans=0
  6. if a.size==b.size
  7. 	a.zip(b).each{|e1,e2|
  8. 		break if e1!=e2
  9. 		ans+=1
  10. 	}
  11. end
  12. puts ans
Success #stdin #stdout 0.01s 8048KB
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12 13
stdout
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3
https://ideone.com/Swp9Qs
language:
Ruby (ruby 2.5.5)
created:
3 days ago
visibility:
public

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