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Vitor Oliveira 2020-12-19 20:20:45 -08:00
parent 13f9770de5
commit dcfdf73a7f
1 changed files with 4 additions and 0 deletions
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data_structures/arrays/get_products_of_all_other_elements.rb
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@ -5,7 +5,9 @@
# each element at index `i` of the new array is the product of # each element at index `i` of the new array is the product of
# all the numbers in the original array except the one at `i`. # all the numbers in the original array except the one at `i`.
#
# 1. Brute force solution # 1. Brute force solution
#
def calculate_products_of_all_other_elements(nums) def calculate_products_of_all_other_elements(nums)
products_other_elements = Array.new(nums.length, 1) products_other_elements = Array.new(nums.length, 1)
@ -22,8 +24,10 @@ end
puts(calculate_products_of_all_other_elements([1, 2, 3])) puts(calculate_products_of_all_other_elements([1, 2, 3]))
#
# 2. O(n) time and space # 2. O(n) time and space
# Arrays - Get Products of all other elements in Ruby # Arrays - Get Products of all other elements in Ruby
#
# Generates prefix products # Generates prefix products
def build_prefix_products(nums) def build_prefix_products(nums)