Solution for problem 24

gistfile1.cpp

 int ints[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
 for (int i = 1; i < 1000000; ++i) std::next_permutation(ints, ints+10);
 for (int i = 0; i < 10; ++i) std::cout << ints[i];