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emerak/rotate_arrar.rb

Last active January 25, 2016 04:21
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rotate_arrar.rb
def rotate(arr,index)
rotated_array = []
arr.each_with_index do |a,i|
new_index = i + index
if new_index >= arr.length
while new_index >= arr.length do
new_index = new_index - arr.length
end
rotated_array.insert(new_index, a)
else
rotated_array.insert(new_index, a)
end
end
rotated_array.compact
end
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