include <vector>
  include <algorithm>
  include <iterator>
  include <iostream>
  using namespace std;
  
  void printVector(const vector<int>& v)
  {
    copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));
    cout << endl;
  }
  
  int main(int argc, char** argv)
  {
    vector<int> vectorOne, vectorTwo;
    int i;
  
    vectorOne.push_back(1);
    vectorOne.push_back(2);
    vectorOne.push_back(3);
    vectorOne.push_back(5);
  
    // oops, we forgot to add 4. Insert it in the correct place
    vectorOne.insert(vectorOne.begin() + 3, 4);
  
    // Add elements 6 through 10 to vectorTwo
    for (i = 6; i <= 10; i++) {
      vectorTwo.push_back(i);
    }
  
    printVector(vectorOne);
    printVector(vectorTwo);
  
    // add all the elements from vectorTwo to the end of vectorOne
    vectorOne.insert(vectorOne.end(), vectorTwo.begin(), vectorTwo.end());
  
    printVector(vectorOne);
  
    // clear vectorTwo entirely
    vectorTwo.clear();
  
    // And add 10 copies of the value 100
    vectorTwo.insert(vectorTwo.begin(), 10, 100);
  
    // Decide we only want 9 elements
    vectorTwo.pop_back();
  
    // now erase the numbers 2 through 5 in vectorOne
    vectorOne.erase(vectorOne.begin() + 1, vectorOne.begin() + 5);
  
    printVector(vectorOne);
    printVector(vectorTwo);
  
    return (0);
  }