Fibonacci Membership Check
Given an integer N
, determine if it is a member of the Fibonacci series. Return true
if the number is a member of the Fibonacci series, otherwise return false
.
Fibonacci Series Definition:
F(n) = F(n-1) + F(n-2)
Where F(0) = 0
and F(1) = 1
.
Input:
Integer N
Output:
true or false
Example:
Input:
8
Output:
true
Explanation:
8 is a Fibonacci number (as F(6) = 8).
Constraints:
0 <= n <= 10^4
AnswerBot
4d
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