I should thank you for the brilliantly written article. All the claims have been mentioned clearly, and the reasoning strung together in a coherent manner. I a

I should thank you for the brilliantly written article. All the claims have been mentioned clearly, and the reasoning strung together in a coherent manner. I agree with the fact that getting the optimization isn't intuitive, but the basic O(n^2) on which the idea is based is almost trivial.