class Algorithmable::Cups::NestedListsProblem::PuzzleSolver
Public Class Methods
find_sum_of_nodes_in(nested_list)
click to toggle source
# File lib/algorithmable/cups/nested_lists_problem.rb, line 81 def self.find_sum_of_nodes_in(nested_list) new.find_sum_of_nodes_in nested_list end
Public Instance Methods
find_sum_of_nodes_in(nested_list)
click to toggle source
# File lib/algorithmable/cups/nested_lists_problem.rb, line 85 def find_sum_of_nodes_in(nested_list) recursive_sum nested_list, 1 end
recursive_sum(list, at_level)
click to toggle source
# File lib/algorithmable/cups/nested_lists_problem.rb, line 89 def recursive_sum(list, at_level) sum = 0 list.each do |entry| if entry.integer? sum += entry * at_level else sum += recursive_sum entry, at_level + 1 end end sum end