What's the efficient way to multiply two arrays and get sum of multiplied values in Ruby?

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猫巷女王i
猫巷女王i 2021-02-09 12:54

What\'s the efficient way to multiply two arrays and get sum of multiply values in Ruby? I have two arrays in Ruby:

array_A = [1, 2, 1, 4, 5, 3, 2, 6, 5, 8, 9]
a         


        
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