strgst1.cpp

// strgst1.cpp -- applying the STL to a string
#include <iostream>
#include <string>
#include <algorithm>

int main()
{
	using namespace std;
	string letters;

	cout << "Enter the letter grouping (quit to quit): ";
	while (cin >> letters && letters != "quit") {
		cout << "Permutations of " << letters << endl;
		sort (letters.begin(), letters.end());
		cout << letters << endl;
		while (next_permutation (letters.begin(), letters.end())) {
			cout << letters << endl;
		}
		cout << "Enter next sequence (quit to quit): ";
	}
	cout << "Done.\n";
}