9_pass_as_pointer.cpp

/*Goal: Learn to pass arrays to functions*/

#include<iostream>
#include<iomanip>

//Pass the array as a pointer
void arrayAsPointer(int *array, int size);
//Pass the array as a sized array
void arraySized(int array[3], int size);
//Pass the array as an unsized array
void arrayUnSized(int array[], int size);

int main()
{
    const int size = 3;
    int array[size] = {33,66,99};
    //We are passing a pointer or reference to the array
    //so we will not know the size of the array
    //We have to pass the size to the function as well
    arrayAsPointer(array, size);
    arraySized(array, size);
    arrayUnSized(array, size);
    return 0;
}

void arrayAsPointer(int *array, int size)
{
    std::cout<<std::setw(5);
    for(int i=0; i<size; i++) 
        std::cout<<array[i]<<" ";
    std::cout<<"\n";
}

void arraySized(int array[3], int size)
{
    std::cout<<std::setw(5);
    for(int i=0; i<size; i++)
        std::cout<<array[i]<<" ";
    std::cout<<"\n";  
}

void arrayUnSized(int array[], int size)
{
    std::cout<<std::setw(5);
    for(int i=0; i<size; i++)
        std::cout<<array[i]<<" ";
    std::cout<<"\n";  
}