#include <iostream>
#include <vector>
#include <stdlib.h>

using namespace std;

int main(){
    vector<int> v(10);
    vector<int>::iterator p;
    int i;
    
    p = v.begin();
    i = 0;
    while(p != v.end()){
        *p = i;
        p++;
        i++;
    }
    
    cout << "Elementos atuais: \n"; 
    p = v.begin();   
    while(p != v.end()){
        cout << *p << ' ';
        p++;
    }
    cout << endl;
    
    p = v.begin();
    while(p != v.end()){
        *p = *p * 2;
        p++;
    }
    
    cout << "Vetor modificado: \n"; 
    p = v.begin();   
    while(p != v.end()){
        cout << *p << ' ';
        p++;
    }
    cout << endl;
    
    return 0;
}