#ifndef TESTS_FIBONACCI_H_
#define TESTS_FIBONACCI_H_

int fibonacci(int n) {
    // Calculate the nth fibonacci number
    int sum_n;
    int sum_n2 = 1;
    int sum_n1 = 1;
    for (int i = 0; i < n; i++) {
        sum_n = sum_n1 + sum_n2;
        sum_n1 = sum_n;
        sum_n2 = sum_n1;
    }
    return sum_n;
}

#endif