"The last lecture of 6.046. We are here today to talk more about cache oblivious algorithms. Last class, we saw several cache oblivious algorithms, although none of them quite too difficult. Today we will see two difficult cache oblivious algorithms, a little bit more advanced. I figure we should do something advanced for the last class just to get to some exciting climax. So without further ado, let's get started. Last time, we looked at the binary search problem...