Pregunta de entrevista de Amazon

Details about Hashtable? Good hash function? HashTable time complexities? Binary search complexity?

Respuestas de entrevistas

Anónimo

10 de feb de 2011

A good hash function has uniform distribution and low amount of collisions. Use of mod is common. Hash table is constant average case search time, whereas binary tree will take O(log n).

Anónimo

18 de feb de 2011

hash table time complexity is O(1)