Then he wrote out some code and asked me how the compiler will generate code for it. I gave some answer, but he was clearly not satisfied. I thought it was all over by then. Then, he asked me a DIP question. He commented that he had given that particular question to his juniors once and they had done a very good job at it. The problem is this: A teacher is writing on a blackboard and we want to pass all the information on the blackboard over a low-bandwidth network in real-time. How do we do it