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

int main()
{
	std::vector<int> v(10);
	int a0 = v[3];	//unchecked access
	int a1 = v.at(4); //checked access
	//v.push_back(2); //append element to end
	//v.pop_back(); //remove last element
	v.insert(v.begin()+5, 2); //insert 2 after 5th element
	size_t howbig = v.size(); //get # of elements
	v.insert(v.end()-1, 1);	//set the value of the last element

	cout << "v size: " << howbig << endl;

	for (unsigned int k=0; k<howbig; k++) {
		cout << "v(" << k << ") = " << v.at(k) << endl;
	}

	return 0;
}