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

ostream& operator<<(ostream& out, const vector<int>& v);

int main()
{
	// Constructors
	vector<int> v1;
	vector<int> v2(5);
	vector<int> v3(5,19);
	vector<int> v4{2,3,5,7,11,13,17};
	
	cout << "v2=" << v2 << endl;
	cout << "v3=" << v3 << endl;
	cout << "v4=" << v4 << endl << endl;
	
	vector<int> v5(v4.begin(),v4.begin()+3);
	vector<int> v6(v4);
	vector<int> v7(move(v4));
	
	cout << "v4=" << v4 << endl;
	cout << "v5=" << v5 << endl;
	cout << "v6=" << v6 << endl;
	cout << "v7=" << v7 << endl << endl;
	
	// Capacity functions
	cout << "v7.size()=" << v7.size() << endl;
	cout << "v7.capacity()=" << v7.capacity() << endl;
	cout << "v7.max_size()=" << v7.max_size() << endl;
	v7.reserve(16);
	v7.resize(v7.size()*2);
	cout << "v7.size()=" << v7.size() << endl;
	cout << "v7.capacity()=" << v7.capacity() << endl;
	cout << "v7=" << v7 << endl;
	v7.shrink_to_fit();
	cout << "v7.size()=" << v7.size() << endl;
	cout << "v7.capacity()=" << v7.capacity() << endl << endl;
	
	// Access functions
	cout << "v6.front()=" << v6.front() << endl;
	cout << "v6.back()=" << v6.back() << endl;
	cout << "v6.at(3)=" << v6.at(3) << endl;
	int* ptr = v6.data();
	cout << *ptr << ' ' << *(ptr+2) << endl;
	for (auto* p = v6.data(); p < v6.data()+v6.size(); ++p)
		*p *= 2;
	cout << "v6=" << v6 << endl << endl;
	
	// Modifier functions
	v1.assign({7,6,5,4,3,2,1});
	cout << "v1=" << v1 << endl;
	v2.assign(v1.crbegin(),v1.crend());
	cout << "v2=" << v2 << endl;
	v2.erase(v2.begin()+3);
	cout << "v2=" << v2 << endl;
	v2.insert(v2.begin()+3,15);
	v2.pop_back();
	v2.push_back(30);
	cout << "v2=" << v2 << endl;
	v1.swap(v2);
	cout << "v1=" << v1 << endl;
	cout << "v2=" << v2 << endl << endl;
	
	// Member operators
	v1[2] = v2[3]*2;
	cout << "v1=" << v1 << endl;
	v1.assign(v2.begin(),v2.begin()+5);
	v1.push_back(13);
	cout << "v1=" << v1 << endl;
	cout << "v2=" << v2 << endl << endl;
	v3 = v1;
	v3.resize(10);
	cout << "v3=" << v3 << endl;
	cout << boolalpha;
	cout << "v1 == v3: " << (v1 == v3) << endl;
	cout << "v1 < v2: " << (v1 < v2) << endl;
	cout << "v1 < v3: " << (v1 < v3) << endl;
	cout << "v2 < v3: " << (v2 < v3) << endl;
}

ostream& operator<<(ostream& out, const vector<int>& v)
{
	for (auto element : v)
		out << element << ' ';
	return out;
}