Author :
Fredman, Michael L. ; Fredman, Michael L. ; Fredman, Michael L. ; Fredman, Michael L. ; Komlos, Janos ; Komlos, Janos ; Komlos, Janos ; Komlos, Janos ; Szemeredi, Endre ; Szemeredi, Endre ; Szemeredi, Endre ; Szemeredi, Endre
Abstract :
We describe a data structure for representing a set of n items from a universe of m items, which uses space n+o(n) and accommodates membership queries in constant time. Both the data structure and the query algorithm are easy to implement.