（是非題）A perfect hash function is a function that can transform the key of a data into an integer between 0 and B - 1 with equal probabilities, where B is the number of buckets in the hash. Therefore, for a hash with a perfect hash function, its find(), insertData(), and deleteMin() have the time complexities O(1), O(1), and O(log B), respectively, assuming B is large enough so that collisions seldom occur.