C++ Ruben Tarea2

#include "stdafx.h"
#include <iostream>
using namespace std;

int main()
{
    int tam, val = 0, j = 0;
    int *A, *B;
    bool existe = false, existe2 = false;
    cout << "Tamaño del Vector: ";
    cin >> tam;

    A = new int[tam];
    B = new int[tam];
    cout << "Arreglo A:" << endl;
    for(int i = 0; i < tam; i++){
        A[i] = int(50*rand()/(RAND_MAX + 1.0))+1;
        B[i] = 0;
        cout << A[i] << endl;
    }

    for(int x = 0; x < tam; x++)
    {
        existe = false;
        existe2 = true;
        for(int i = (x+1); i < tam; i++)
            if(A[x] == A[i] && !existe)
                existe = true;

        for(int i = 0; i < tam; i++)
            if(A[x] == B[i] && existe && existe2)
                existe2 = false;

        if(existe)
            B[j] = A[x];
        j++;
    }

    cout << endl << "Areglo B:" << endl;
    for(int i = 0; i < tam; i++)
        if(B[i] != 0)
            cout << B[i] << endl;

    cin.get();cin.get();
    return 0;
}