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  1.  
  2. if ('1' * gets ) !~ /^1?$|^(11+?)\1+$/
  3. puts "PRIME"
  4. else
  5. puts "COMPOSITE"
  6. end
Runtime error #stdin #stdout 0s 4760KB
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stdin
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2760727302517
stdout
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Standard output is empty
https://ideone.com/yv9OX
language:
Ruby (ruby 2.5.5)
created:
14 years ago
visibility:
public

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