rizwanreza

#!/usr/bin/env bash
apt-get -y update
apt-get -y install build-essential zlib1g-dev libssl-dev libreadline5-dev libyaml-dev
cd /tmp
wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz
tar -xvzf ruby-1.9.3-p125.tar.gz
cd ruby-1.9.3-p125/
./configure --prefix=/usr/local
make
make install

rizwanreza

class SumOfFactors
 
  def initialize(until_num, *divisible_by)
    @until_num = until_num
    @divisible_by = divisible_by
  end
 
  def get_sum
    get_range.collect { |num| num if divisible? num  }.compact.inject :+
  end