Dev - C++ - Recursividad

#include <iostream>

int FactorialRecursivo( int n ) {

    if (n <= 1) {

        return 1;

    }   else {

        return n * FactorialRecursivo( n-1 );

    }

}

int main() {

    int n;

    std::cout << "\nIntroduce un numero: "; std::cin >> n;

    std::cout << "\nSu factorial es: " << FactorialRecursivo( n ) << std::endl;

    return 0;

}

#include <iostream>

int fibonacci( int n )

{

    if( n == 0 || n == 1 )

       return n;

    else

       return fibonacci(n - 2) + fibonacci(n - 1);

}

int main()

{

    int n;

    std::cout << "\nIntroduce un numero: "; std::cin >> n;

    std::cout<<"\nLa serie es: ";

    for( int i = 0; i < n; i++ ) {

       if( fibonacci(i) != 0 )

          std::cout << ", ";

        std::cout << fibonacci(i);

    }

    std::cout << std::endl;

    return 0;

}