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  1. def f(aa, a, b)
  2. 	i = aa.index(a)
  3. 	sa = aa[i..-1] + aa[0, i]
  4. 	sa -= (sa - b)
  5. 	i = b.index(sa[0])
  6. 	b[i..-1] + b[0,i]
  7. end
  8.  
  9. p f([2,3,5,7,9], 2, [9,2,5])
  10. p f([2,3,5,7,9], 9, [9,2,5])
  11. p f([2,3,5,7,9], 5, [9,2,5])
  12. p f([2,3,5,7,9], 3, [9,2,5,5,2])
  13.  
Success #stdin #stdout 0.01s 7412KB
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Standard input is empty
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[2, 5, 9]
[9, 2, 5]
[5, 9, 2]
[5, 5, 2, 9, 2]
https://ideone.com/D6LqhL
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

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