PV024refPtrFunc

#include <iostream>

void printArr(int* arr, int arrSize)
{
    for (int i{ 0 }; i < arrSize; ++i)
    {
        std::cout << arr[i] << ' ';
    }
    std::cout << '\n';
}


void printArr(int arr[][4], int sizeY, int sizeX)
{
    for (int y{ 0 }; y < sizeY; ++y)
    {
        printArr(arr[y], sizeX);
    }
    std::cout << '\n';
}


int* createArr()
{
    int arr[10]{1,2,3,4,5,6,7,8,9,10}; // int* const arr
    printArr(arr, 10);
    return arr;
}

int* createInt()
{
    int* ptr{ new int{33} };
    int val{ 42 };

    return ptr;
}


int& max(int& a, int& b)
{
    return a > b ? a : b;
}

void eatMem()
{
    double arrBig[1000]{};
    std::cout << "Memory hungry fun :)\n";
}

int main()
{
    const int sizeY{ 3 };
    const int sizeX{ 4 };
    int arr2d[sizeY][sizeX]
    {
        {1,2,3,4},
        {5,6,7,8},
        {9,10,11,12}
    };

    int massSize{ 10 };
    int* mass{ new int[massSize]{ 0,2,1,-3,0,2,-6,-1,0,5} };

    int x{ 60 };
    int y{ 20 };
    /*int& intPtr{ createInt() };
    std::cout << "intPtr = " << intPtr << '\n';
    eatMem();
    std::cout << "intPtr = " << intPtr << '\n';*/
    std::cout << "max = " << max(x, y) << '\n';

    int& refMax{ max(x,y) };

    std::cout << "x = " << x << " y = " << y << '\n';

}