# pbalduino/ProjectEuler

Renomeado + Cabeçalho

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1 parent fa0891e commit 2ac26270897bbd8b3e0400eb6dad004894d119aa committed Mar 7, 2014
Showing with 16 additions and 10 deletions.
1. +0 −10 002/ruby/euler002.rb
2. +16 −0 002/ruby/euler002_nicolasfrancax.rb
 @@ -1,10 +0,0 @@ -# http://projecteuler.net/problem=2 - -sum, before, now = 0, 1, 1 - -while now < 4_000_000 - before, now = now, now + before - sum += now if now % 2 == 0 -end - -puts sum
 @@ -0,0 +1,16 @@ +# Problem 2 - Even Fibonacci numbers + +#Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: +# 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... +# By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms. +# +# Source: http://projecteuler.net/problem=2 + +sum, before, now = 0, 1, 1 + +while now < 4_000_000 + before, now = now, now + before + sum += now if now % 2 == 0 +end + +puts sum

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