Parte 2 Ex1

#include <cstdlib>
#include <iostream>

using namespace std;

int comparar(const void *x,const void *y)
{
    return ((*(int*)x)-(*(int*)y));
}

void leitura(int vetor[])
{
     int i;
     for(i=0;i<20;i++){
                       cout << "Digite o valor na posicao "<< i+1 << endl;
                       scanf("%d",&vetor[i]);
                       system("CLS");
                       }
     }

int main(int argc, char *argv[])
{
    int vetor[20];
    leitura(vetor);
    qsort(&vetor,20,4,comparar);
    system("CLS");
    int i;
    for(i=0;i<20;i++)cout << i+1 << ": " << vetor[i]<<endl;
    system("PAUSE");
}