struct A { int a; };
struct B { int b; };
struct C { float c; };

int main()
{
     A a; B b; C c;

     //Here I want to make an array of a, b and c,
     //then use it in for loop with the ints and floats.

}`

struct T {
   A obj1;
   B obj2;
   C obj3;
};

#include <iostream>

struct Person
{
    std::string name;
    int age;
    std::string job;
};

int main()
{
    Person people[10];

    //I am a normal one.
    for(int i=0; i<10; ++i)
    {
        people[i].name = "usar";
        people[i].age = i;
        people[i].job = "Astronaut";
    }

    //foreach loop
    for(Person p: people)
    {
        std::cout << "Name: "<< p.name << "n";
        std::cout << "Age: "<< p.age << "n";
        std::cout << "Job: "<< p.job << "n";
    }

    return 0;
}

struct Car
    {
           int engine;
           string brandName;
    };

Car list[2]={{3000, "BMW"},{2200, "Mercedes-Benz"}};

Car list[2];

struct Base
{

    virtual ~Base(){}

    virtual int GetInt()
    {
        throw "Not implemented";
        return 0;
    }
    virtual float GetFloat()
    {
        throw "Not implemented";
        return 0.0f;
    };
};

struct A : public Base
{
    int a;
    virtual int GetInt()
    {
        return a;
    }
};

struct B : public Base
{
    int b;
    virtual int GetInt()
    {
        return b;
    }
};

struct C : public Base
{
    float c;
    virtual float GetFloat()
    {
        return c;
    }
};

int main()
{
    A a; B b; C c;

    Base* array[ 3 ] = { &a, &b, &c };
}