#include <iostream>
#include <array>

using namespace std;



int main(){
        int x;
        int size = 2;
        int *listDyn;
        listDyn = new int[size];
        int count = 0;


        do{

                cout << "Please enter a value to store in the array, or enter -1 to finish: ";
                cin >> x;

                if (x == -1){  //user input check for finish
                        break;
                }
                if (count == size){

                        int *newDyn;                            //initializing temporary dynamic array
                        newDyn = new int[size];

                        for (int i = 0; i < size; i++){  //allocating initial array values to temporary array
                                listDyn[i] = newDyn[i];

                        }
                        delete listDyn;                                 // deleting inital dynamic array
                        size = size * 2;                                // doubling size of array
                        listDyn = new int[size];                //initializing "new" initial array
                        for (int i = 0; i < size; i++){
                                newDyn[i] = listDyn[i];         //allocating temporary array values to "new" initial array

                        }
                        delete newDyn;                                  // deleting temporary dynamic array



                }else{
                        listDyn[count] = x;             //user input for elements of array
                        count++;

                }

        } while (true);

        cout << "The elements of the finished array are: " << endl;                     //printing elements of array
        for (int i = 0; i < count; i++){
                cout << listDyn[i] << endl;
        }

        system("pause");
        return 0;
}