Problem 3092. Return fibonacci sequence do not use loop and condition

Created by Binbin Qi

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Calculate the nth Fibonacci number.
Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ...
Examples:
 Input  n = 5
 Output f is 5
 Input  n = 7
 Output f is 13
but, loop and conditional statement is forbidden

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Last Solution submitted on Feb 10, 2025

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Rafael S.T. Vieira on 12 Jul 2020

Solve other problems from the problem set, Basics - Fibonacci, and the answer will reveal itself to you (after a little reflection). I promise.

泽丰张 on 12 Sep 2020

Could you please tell me how to use recursion without condition?

Denilson Menezes on 17 Sep 2020

Nice!

Jiseon Shin on 1 Nov 2020

Interesting problem!!

Miroslav Popovic on 4 Feb 2022

It does require understanding of linear reccurence relations with constant coefficients. Interesting problem overall

Tran Tran on 20 Mar 2022

Hint Instead using round which is forbidden.Try cast to other data types guys ( ͡° ͜ʖ ͡°)

Lam Thai Nguyen on 28 Dec 2023

you can use golden ratio for this problem.

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Problem 3092. Return fibonacci sequence do not use loop and condition

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Problem 3092. Return fibonacci sequence do not use loop and condition

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