#include <iostream>
#include <vector>

using namespace std;

int main(){
  cout << " *** Exercise 4.29 **** Dynamically allocate an array of integers after they are read into a vector from the standard input" << endl;

  vector<int> vecint;
  int iread;
  while(cin>>iread)
    vecint.push_back(iread);
  cout << "Your vector is:" << endl;
  for(vector<int>::iterator iter=vecint.begin();iter!=vecint.end();iter++)
    cout << *iter << "\t";

  cout << endl<< "And it's dimension is "<< vecint.size()<< endl;

  cout << "Now creating an array of integers with dimension " << vecint.size()<< endl;
  int *pvec = new int [vecint.size()];
  cout << "Let's check the values before and after we change it using the vector..."<< endl;

  for(size_t i=0; i!=vecint.size(); i++){
    cout << "pvec_before["<<i<<"]= "<< pvec[i] << "\t";
    pvec[i]= vecint[i];
    cout<< "and now, it is pvec["<<i<<"]= "<< pvec[i]<< endl;
  }

  delete [] pvec;
  
  return 0;
}