RosettaCodeData/Task/Equilibrium-index/Ruby/equilibrium-index-3.rb
Ingy döt Net 776bba907c Sync
2013-10-27 22:24:23 +00:00

12 lines
234 B
Ruby

def eq_indices(list)
left, right = 0, list.inject(0, :+)
equilibrium_indices = []
list.each_with_index do |val, i|
right -= val
equilibrium_indices << i if right == left
left += val
end
equilibrium_indices
end