What will be the output of the following C++ code? #include #include using namespace std; int main () vector myvector; int sum (0); myvector.push_back (100); myvector.push_back (200); myvector.push_back (300); while (!myvector.empty()) sum += myvector.back(); myvector.pop_back(); cout << sum << ' '; return 0;

Answer: Option B