1614_maximum_nesting_depth_of_the_parentheses.rb

# frozen_string_literal: true

# https://leetcode.com/problems/maximum-nesting-depth-of-the-parentheses/
# @param {String} s
# @return {Integer}
def max_depth_of_the_parentheses(s)
  curr = 0
  result = 0
  s.each_char do |c|
    case c
    when '('
      curr += 1

      result = curr if curr > result
    when ')'
      curr -= 1
    else
      next
    end
  end

  result
end