add to vector c++
// vector::push_back
#include <iostream>
#include <vector>
int main ()
{
  std::vector<int> myvector;
  int myint;
  std::cout << "Please enter some integers (enter 0 to end):n";
  do {
    std::cin >> myint;
    myvector.push_back (myint);
  } while (myint);
  std::cout << "myvector stores " << int(myvector.size()) << " numbers.n";
  return 0;
}
