Hash-table:Basic Idea Hashing:the idea Q:When should we use hash table? What situations is the hash table suitable for? Key SpaceHash-table: Basic Idea Hashing: the idea Q : When should we use hash table? What situations is the hash table suitable for? Key Space x Very large, but only a small part is used in an applica￾tion at a certain time. · · · · · · E [0] E [1] E [m − 1] Feasible size E [k] Hash Function Index distribution Collision handling MA Jun (Institute of Computer Software) Problem Solving May 10, 2022 3 / 34