#include<iostream>
#include<vector>

using namespace std;

int main(){
  cout << endl<< "*** This program tests some of the default declarations of vector containers, for the built in types and the string type. In this version we use iterators! ****" << endl<< endl;
  cout << "Declaration using the constructor which initialises a vector of integers with 3 copies of value 1" << endl;
  vector<int> v1(3,1);

  for(vector<int>::iterator iter=v1.begin(); iter!=v1.end();iter++){
    cout << *iter<< "\t";
  }
  cout<< endl;

  cout << "Now the value of an element is changed..."<< endl;
  v1[1]=400;
  
  for(vector<int>::iterator iter=v1.begin(); iter!=v1.end();iter++){
    cout << *iter<< "\t";
  }
  cout<< endl;

  cout << "Declaration using the constructor which initialises the size of the vector of integers and gives each component the default initial value" << endl; 
  vector<int> v2(4);

  for(vector<int>::iterator iter=v2.begin(); iter!=v2.end();iter++){
    cout << *iter<< "\t";
  }
  cout<< endl;

  cout << "Same as previous example but we initialise a vector of bool variables and check what the default initial values is (false as you can check)" << endl; 
  vector<bool> FalseOrTrue(10);

  for(vector<bool>::iterator iter=FalseOrTrue.begin(); iter!=FalseOrTrue.end();iter++){
    cout << *iter<< "\t";
  }
  cout<< endl;


}