#include <iostream>
#include <vector>
using namespace std;

void main(){

	// use like an array
	cout << "as an array"<< endl;
	vector<int> v(5);
	for(int i = 0; i < 5; i++){
		v[i] = i;
		cout << v[i] << endl;
	}
	v.resize(10);
	v[7] = 8;
	cout << v[7] << endl;
	cout << "size " << v.size() << endl;
	cout << "capacity " << v.capacity() << endl;

	// use like a container
	cout << "like a container "<< endl;
	vector<int> c;
	for(int k = 0; k < 9; k++)
		c.push_back(k);
	cout << " back of vector " << c.back() << endl;// see end element of vector
	c.pop_back();
	c.pop_back();
	vector<int>::iterator ic;
	for(ic = c.begin(); ic != c.end(); ic++)
		cout << *ic << endl;
	cout << "size " << c.size() << endl;
	cout << "capacity " << c.capacity() << endl;

	// mixed usage
	cout << "mixed "<< endl;
	vector<int> m(10);
	vector<int>::iterator im;
	cout << "initial" << endl;
	for(im = m.begin(); im != m.end(); im++)
		cout << *im << endl;
	cout << "size " << m.size() << endl;
	cout << "capacity " << m.capacity() << endl;
	for(int j = 0; j < 9; j++)
		m.push_back(j);

	cout << "after push_back" << endl;
	for(im = m.begin(); im != m.end(); im++)
		cout << *im << endl;
	cout << "size " << m.size() << endl;
	cout << "capacity " << m.capacity() << endl;

}