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amitpatelx/zero.rb

Created August 26, 2021 03:46
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Number of trailing zeros of N!
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zero.rb
# https://www.codewars.com/kata/52f787eb172a8b4ae1000a34/train/ruby
# Number of trailing zeros of N!
def zeros(n)
(1..n).inject(1) {|fact, num| fact * num }.to_s.count('0')
end
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