Memory access violation. What's wrong with this seemingly simple program?

Question

This is a quick program I just wrote up to see if I even remembered how to start a c++ program from scratch. It\'s just reversing a string (in place), and looks generally c

Answer 1

If this isn't homework, the C++ tag demands you do this by using the C++ standard library:

std::string s("This is easier.");
std::reverse(s.begin(), s.end());

Oh, and it's int main(), always int main(), dammit!