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Challenge: Last Digit of the Sum of Fibonacci Numbers

Challenge: Last Digit of the Sum of Fibonacci Numbers

Solve the Last Digit of the Sum of Fibonacci Numbers Problem.

We'll cover the following...

Problem


Last Digit of the Sum of Fibonacci Numbers Problem

Compute the last digit of F0+F1++FnF_{0} + F_{1} + \ldots + F_{n}.

Input: An integer nn.

Output: The last digit of F0+F1++FnF_{0} + F_{1} + \ldots + F_{n} ...