#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;



int main()
{
	vector <string> c;
	vector <string>::iterator Iter;
	
	c.insert(c.begin() );
	cout << "Insert a string: ";
	for ( Iter = c.begin(); Iter != c.end(); Iter ++)
		cout << " " << *Iter;
	cout << endl;
	
	c.erase(c.begin() );
	cout << "Erase last vector: ";
	for (Iter = c.begin(); Iter != c.end(); Iter++ )
		cout << " " << *Iter;
	cout << endl;
	 
	cout << "Before sorting: ";
	for( unsigned int i = 0; i < c.size(); i++ ) 
   	cout << c[i] << " ";
 
 	cout << endl;            

 	sort( c.begin(), c.end() );            

 	cout << "After sorting: ";
 	for( unsigned int i = 0; i < c.size(); i++ ) 
   	cout << c[i] << " ";
 
 	cout << endl;

	cout << "Before sorting: ";
        for( unsigned int i = 0; i < c.size(); i++ ) 
        cout << c[i] << " ";
 
        cout << endl;

	sort( c.begin(), c.end(), greater<string>() );

        cout << "After sorting: ";
        for( unsigned int i = 0; i < c.size(); i++ ) 
        cout << c[i] << " ";
 
        cout << endl;

	cout << "The number of strings in the vector: " << c.size();

	cout << endl;

	return 0;
}