AdventOfCode-2017/day5_1.rb

jumpArray = File.open('puzzle_5.txt').read.split("\n").map(&:to_i)
num_steps = 0
index = 0
while (index < jumpArray.length) do
    jumpArray[index] += 1
    index += jumpArray[index] - 1
    num_steps += 1
end
puts num_steps