hello world

/*
Demonstration iterator and vector + SORT, INSERT, ERASE
Athor Dombrovsky I.V. 
*/
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {

	vector<int> v = {1, 3, 5, 7, 9, 10, 2, 8, 4, 6}; 
//*****************************************************************************************
	for (size_t i = 0; i < v.size(); i++) // Demonstration vector
		cout << v[i] << " "; 
	cout << endl;
//*****************************************************************************************
	vector<int>::iterator it; 
	it = v.begin(); 
//*****************************************************************************************
	for(size_t i = 0; i < v.size(); i++) // Demonstration iterator
		cout << *it + i << " "; 
	cout << endl; 
//*****************************************************************************************
	for (vector<int>::iterator i = v.begin(); i < v.end(); i++) // SHOW 
		cout << *i << " "; 
	cout << endl;
//*****************************************************************************************
	cout << "Show vector" << endl;
	for (vector<int>::reverse_iterator i = v.rbegin(); i < v.rend(); i++) // SHOW REVERSE
		cout << *i << " ";
	cout << endl;
//*****************************************************************************************
	cout << "revers vector" << endl; 
	for (vector<int>::const_iterator i = v.begin(); i < v.end(); i++) // const iterator
		cout << *i << " ";
	cout << endl;
//*****************************************************************************************
	vector<int>::iterator i = v.begin(); 
	advance(i, 3); 
	cout << *i << endl; 
	v.insert(i, 88); // INSERT ELMENT 88

	cout << "Insert show vector" << endl;
	for (vector<int>::reverse_iterator i = v.rbegin(); i < v.rend(); i++) // SHOW REVERSE
		cout << *i << " ";
	cout << endl;
//*****************************************************************************************
	vector<int>::iterator iErase = v.begin(); 
	v.erase(iErase, iErase + 4); // DELETE WITH BEGIN END

	cout << "Erase show vector" << endl;
	for (vector<int>::iterator i = v.begin(); i < v.end(); i++) // SHOW 
		cout << *i << " ";
	cout << endl;
//*****************************************************************************************
	vector<double> v1 = {2.5, 4.58, 0.005, 78, 69, 0.123, 78.47, 47, 89, 12};
	sort(v1.begin(), v1.end());
	cout << "Sort show vector" << endl;
	for (vector<double>::iterator i = v1.begin(); i < v1.end(); i++) // SHOW
		cout << *i << " ";
	cout << endl;
	for (vector<double>::reverse_iterator i = v1.rbegin(); i < v1.rend(); i++) // SHOW REVERSE
		cout << *i << " ";
	cout << endl;

	cout << endl; 
	system("pause"); 
	return 0; 
}