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aptinio/euler002.rb

Created November 4, 2009 05:35
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Project Euler Problem 2
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euler002.rb
fib = [1, 2]
def fib.next
self[-1] + self[-2]
end
fib << fib.next while fib.next < 4_000_000
fib.select {|f| f.remainder(2) == 0}.reduce(:+)
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