codility-ruby/Lesson_003_FrogJmp.rb at master · vspar/codility-ruby · GitHub

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class FrogJmp

  def self.solution(x, y, d)
    return ((y-x).to_f/d.to_f).ceil
  end

end

result = FrogJmp.solution(10, 85, 30)
puts "#{result}, pass: #{result == 3}"

result = FrogJmp.solution(5, 105, 3)
puts "#{result}, pass: #{result == 34}"

result = FrogJmp.solution(10, 1000000000, 60)
puts "#{result}, pass: #{result == 16666667}"

# TESTED AND PASSED ON Codility