#include <iostream>

#include <vector>

using namespace std;

int main()
{
	vector <int> v;
	cout << "Size: " << v.size() << endl;
	cout << "Cap: " << v.capacity() << endl;

	//insert 10 ints into v
	for (int i = 0; i < 10; ++i)
	{
		v.push_back(i+1);
		cout << "i+1: " << i+1 << endl;
		cout << "Size: " << v.size() << endl;
		cout << "Cap: " << v.capacity() << endl;

	}

	//print out our v
	for (int i = 0; i < v.size(); ++i)
	{
		cout << v[i] << " ";
	}
	cout << endl;

	//cout << v[1000000] << endl;


	cout << "Size: " << v.size() << endl;
	cout << "Cap: " << v.capacity() << endl;


	//remove all 10 elemens
	for (int i = 0; i < 10; ++i)
	{
		v.pop_back();
	}
	cout << "After calling pop_back()..." << endl;
	cout << "Size: " << v.size() << endl;
	cout << "Cap: " << v.capacity() << endl;


	//a vec of 10 doubles, with value 4.65
	vector<double> v1(10, 4.65);
	cout << v1.size() << endl;
	cout << v1.capacity() << endl;


	for (int i = 0; i < v1.size(); ++i)
	{
		cout << v1.at(i) << endl;
	}
	//v1.at(100);

	//2d vec: 5 rows, 10 cols with elements 5
	vector <vector<int> > vec_2d (5, vector<int> (10, 5));

	
	//print out 2d vector
	for (int i = 0; i < vec_2d.size(); ++i)
	{
		//for each row vector: vec_2d[i]: 
		for (int j = 0; j < vec_2d[i].size(); ++j)
		{
			cout << vec_2d[i][j] << " ";
		}
		cout << endl;
	}
	cout << endl;

	return 0;
}