By: Jesus Castello

Jesus Castello — Sat, 07 May 2016 20:51:58 +0000

Thanks for sharing your solution 🙂

By: Robert

Robert — Thu, 05 May 2016 17:05:44 +0000

Here’s my solution:

weights = {cats: 5, dogs: 1}.inject([]) {|a, (it, w)| a << [it, w + (a.last.last rescue 0)]}

p weights

counts = Hash.new {|h, it| h[it] = 0}

10000.times do

r = rand(weights.last.last)

it = weights.find {|it, w| r < w}

p r, it

counts[it] += 1

end

p counts