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Problem 12. Fibonacci sequence

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

Solution Stats

36.93% Correct | 63.07% Incorrect
Last Solution submitted on Jul 10, 2020

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