#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define TAM 10

int *geraVetor(int n) {
    int i, *vet;
    vet = (int *) malloc(n*sizeof(int));
    for (i=0;i<n;i++)
        vet[i]=(rand()%100)+1;
    return vet;
}

int *obtemPares(int *vetor, int n, int *tam) {
    int *vetorPares,i,j,cont=0;
    for (i=0;i<n;i++)
        if (vetor[i]%2==0)
            cont++;

    vetorPares = (int *) malloc(cont * sizeof(int));

    for (i=0,j=0;i<n;i++)
        if (vetor[i]%2==0)
            vetorPares[j++]=vetor[i];

    *tam=cont;
    return vetorPares;
}

main(void) {
 int *vetor, *vetorPares, tamanho, i;
 srand(time(0));
 vetor = geraVetor(TAM);
 vetorPares = obtemPares(vetor, TAM, &tamanho);

 printf("\nVetor Original:\n");
 for (i=0;i<TAM;i++)
     printf("%d ", vetor[i]);

 printf("\n\nVetor Pares:\n");
 for (i=0;i<tamanho;i++)
     printf("%d ", vetorPares[i]);
}