agregar vector

#include <iostream>
using namespace std;

int* agregar(int* pV, int &n, int v) {
	int* pAux = new int[n+1];
	for (int i = 0; i < n; i++)//Pasando todos los elementos del vector antiguo al nuevo
		pAux[i] = pV[i];
	pAux[n] = v;//Aumentando el nuevo elemento al vector
	n++;
	delete pV;
	return pAux;
}

void mostrar(int* pV, int n) {
	system("cls");
	for (short i = 0; i < n; i++)
		cout << pV[i] << " ";
	system("pause>0");
}

int main() {
	int* pVec;
	int cant = 0, valor;
	while (true) {
		cout << "Ingrese un valor: "; cin >> valor;
		pVec = agregar(pVec, cant, valor);
		mostrar(pVec, cant);
	}
	return 0;
}