#!/usr/bin/env ruby

require_relative '../common'

def part1
  input = Input.new(__dir__).readlines.join
  input.count('(') - input.count(')')
end

def part2
  input = Input.new(__dir__).readlines.join

  input.chars.each_with_index.inject(0) do |floor, (char, i)|
    return i if floor < 0
    char == '(' ? floor + 1 : floor - 1
  end

  nil
end

puts "=== Part 1 ==="
puts part1
puts "=== Part 2 ==="
puts part2