namespace schultz {
	template < typename T > struct type_traits {
	};
	 template < typename I > inline void reverse(I a, I b) {
		while (a != b) {
			--b;
			if (a == b)
				break;
			++a;
}}} using namespace schultz;
int A[1000000];
void dosch()
{
	reverse(A, A + 1000000);
}