Passing Arrays to Functions in C++

/*
 * passingarrays.cpp
 *
 *  Created on: Jun 25, 2012
 *      Author: Derek
 *
 *  Example of passing arrays to functions
 */


#include <iostream>
using namespace std;

void printArray(double[], int);
void userInputArray(double array[], int size);


int main()
{

    double rainfall[5];

    rainfall[0] = 2.3;
    rainfall[1] = 0.3;
    rainfall[2] = 0.0;
    rainfall[3] = 4.1;
    rainfall[4] = 0.5;

    printArray(rainfall, 5);

    userInputArray(rainfall, 5);

    printArray(rainfall, 5);

}
// The first formal parameter could also be
// written as double* array since a pointer
// to the first element is what is really
// passed to the array. (Ditto for function
// below)
void printArray(double array[], int size)
{
    for(int i = 0; i < size; i++)
    {
        cout << array[i] << endl;
    }
}

void userInputArray(double array[], int size)
{
    for(int i = 0; i < size; i++)
    {
        cout << "Enter a rainfall amount: " << endl;
        cin >> array[i];
    }
}