#include 
 
using namespace std;

class Computer{
private:
    string manufacturer;
    int ram;
    double cpu;
public:
    Computer(string manufacturer = "", int ram = 0, double cpu = 0.0) {
        this->manufacturer = manufacturer;
        this->ram = ram;
        this->cpu = cpu;
    }
};
class PCStore {
private:
    Computer *computers;
    int n;
    int sz;
public:
    PCStore() {
        computers = new Computer[10];
        n = 0;
        sz = 10;
    }
    
    void add_computer(Computer c) {
        if(n == sz) {
            Computer *copy_array = new Computer[sz];
            for(int i = 0; i < n; i++) {
                copy_array[i] = computers[i];
            }
            sz *= 2;
            computers = new Computer[sz];
            for(int i = 0; i < n; i++) {
                computers[i] = copy_array[i];
            }
        }
        computers[n] = c;
        n++;
        
    }
};
int main()
{
    
    return 0;
}