Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

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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 the input value, find the sum of the even-valued terms.

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Majid Farzaneh on 15 Oct 2018

Nice problem. I always have problem with big numbers.

Mehdi BENSEDDIK on 10 Apr 2019

I solved the problem until x = 4000000 but x = 97455000 it gives me an error of exceeding the memory(overflow) because the number is too large.

Revathe Thillaikumar on 8 May 2022

This was fun!

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Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

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Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

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Last 200 Solutions

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