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Pythagorean triples generator

/ Published in: Ruby
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Very quick and dirty Pythagorean triples generator

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  1. #!/bin/ruby
  2. # author: Lukasz Korecki, student no: 0617836
  3. # purpose: simple program generating Pythagorian triples
  4.  
  5. # Vars:
  6. given_number = 60
  7.  
  8. m = 1
  9. # Number definitions using the article from wikipedia:
  10. # http://en.wikipedia.org/wiki/Pythagorean_triple#Other_formulas_for_generating_triples
  11. #
  12. a = m*2 + 1
  13. b = (m*2) * (m + 1)
  14. c = ((m*2) * (m + 1)) + 1
  15. sum = a + b + c
  16.  
  17.  
  18. # Output and formatting
  19. sep = "\t|\t"
  20. puts "Your max value is " + given_number.to_s
  21. puts sep+"small"+sep+"medium"+sep+"large"+ sep + "sum" + sep
  22. puts "-" * 80
  23.  
  24. # Main loop calculating the numbers and outputs
  25. while c < given_number
  26. 		m +=1
  27. 		puts sep + a.to_s +  sep+ b.to_s + sep +c.to_s + sep + sum.to_s + sep
  28.  
  29. 		a = m*2 + 1
  30. 		b = (m*2) * (m + 1)
  31. 		c = ((m*2) * (m + 1)) + 1
  32. 		sum = a + b +c
  33.  
  34. end

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