I had an assignment in college many years ago that was partially graded on performance. It amounted to basically a hash table with a bunch of lookups. To optimi

I had an assignment in college many years ago that was partially graded on performance. It amounted to basically a hash table with a bunch of lookups. To optimize mine I had it not store the keys, fortunately I was lucky and the test data they used didn’t cause any collisions. As a result mine was the fastest in the class :)