Rosetta Code

Humble numbers

Generate humble numbers with the standard 2-3-5-7 pointer technique.

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Sourcerosettacode/popular/humble_numbers.vibe
def humble_numbers(count: int) -> array<int>
  values = [1]
  by_two = 0
  by_three = 0
  by_five = 0
  by_seven = 0

  while values.length < count
    next_two = values.fetch(by_two) * 2
    next_three = values.fetch(by_three) * 3
    next_five = values.fetch(by_five) * 5
    next_seven = values.fetch(by_seven) * 7

    next_value = next_two
    if next_three < next_value
      next_value = next_three
    end
    if next_five < next_value
      next_value = next_five
    end
    if next_seven < next_value
      next_value = next_seven
    end

    if next_value != values.fetch(values.length - 1)
      values.push(next_value)
    end

    if next_two == next_value
      by_two = by_two + 1
    end
    if next_three == next_value
      by_three = by_three + 1
    end
    if next_five == next_value
      by_five = by_five + 1
    end
    if next_seven == next_value
      by_seven = by_seven + 1
    end
  end

  values
end

def run -> { first_twenty_five: array<int>, twenty_fifth: int }
  values = humble_numbers(25)
  {
    first_twenty_five: values,
    twenty_fifth: values.fetch(24)
  }
end

Output

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