cat_years_dog_years.md

Cat years, Dog years

Description

Kata Task

I have a cat and a dog.

I got them at the same time as kitten/puppy. That was humanYears years ago.

Return their respective ages now as [humanYears, catYears, dogYears]

NOTES:

• humanYears >= 1
• humanYears are whole numbers only

Cat Years

• 15 cat years for first year
• +9 cat years for second year
• +4 cat years for each year after that

Dog Years

• 15 dog years for first year
• +9 dog years for second year
• +5 dog years for each year after that

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References

• http://www.catster.com/cats-101/calculate-cat-age-in-cat-years
• http://www.slate.com/articles/news_and_politics/explainer/2009/05/a_dogs_life.html

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My Solution

def human_years_cat_years_dog_years(human_years)
  if human_years == 1
    [1,15,15]
  elsif human_years == 2
    [2, 24, 24]
  else
    [human_years, 24 + (human_years-2)*4, 24 + (human_years-2)*5]
  end
end