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

using namespace std;
int main()
{
	vector<string> v;
	string v1, v2;

	cout << "Input a few strings:(Ctrl + d to quit) " << endl;
	cin >> v1;

	while(cin)
	{
		cin >> v1;
		cin >> v2;
	}
	 v.push_back(v1);
                cout << "Before sorting: ";
                for( int i = 0; i < v.size(); i++ )
                     cout << v[i] << " ";
                cout << endl;

                v.pop_back();   // remove the last one

                // ascending order
                sort( v.begin(), v.end() );
                cout << "After sorting: ";
                for( int i = 0; i < v.size(); i++ )
                        cout << v[i] << " ";
                cout << endl;

                // descending
                sort( v.begin(), v.end(), greater<string>() );
                cout << "After descending sorting: ";
                for( int i = 0; i < v.size(); i++ )
                     cout << v[i] << " ";
                cout << endl;

                //reverse
                reverse(v.begin(), v.end());
                cout << "After reverse order: ";
                for( int i = 0; i < v.size(); i++ )
                     cout << v[i] << " ";
                cout << endl;

                cout << "There are " << v.size() << " strings in this list." << endl;

	cout << "\nDone.\n";
	return 0;

}