Let G = ( { S,A,B,C,D}, {a,b,c}, P, S ), where P consists of the following productions. G: S  aSb | bSa | bAb A  aAa | cB B  CBD | D |  C  a | b D  c |  Convert G into its equivalent PDA which accepts L(G) by empty stack

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.