dynamic_allocation_3d_point.cpp

#include <iostream>
#include <cstdlib>
#include <vector>
#include <algorithm>
#include <ctime>
#include <algorithm>

//----------------------------------------------------------------------

struct Point3D
{

    int x;
    int y;
    int z;
};

//----------------------------------------------------------------------

Point3D *generatePoint3D()
{

    Point3D *p = new Point3D;

    p->x = std::rand() % 100;
    p->y = std::rand() % 100;
    p->z = std::rand() % 100;

    return p;
}

//----------------------------------------------------------------------

int main()
{

    std::vector<Point3D *> galactix{5};

    std::generate(galactix.begin(), galactix.end(), generatePoint3D);

    int ii{0};

    for (auto &i : galactix)
    {

        std::cout << ii << " > "
                  << " x: " << i->x << " y: " << i->y << " z: " << i->z << std::endl;
        ;
        ii++;
    }
}

/*---------------------------------------
Expected output:
0 >  x: 83 y: 86 z: 77
1 >  x: 15 y: 93 z: 35
2 >  x: 86 y: 92 z: 49
3 >  x: 21 y: 62 z: 27
4 >  x: 90 y: 59 z: 63

----------------------------------------*/