What is the use of a hash function?

Category: QuestionsWhat is the use of a hash function?
Editor">Editor Staff asked 1 month ago

What is the use of a hash function?
 
(a) to calculate and return the index of corresponding data
 
(b) to store data
 
(c) to erase data
 
(d) to change data
 
My question is taken from Hash Tables in division Hash Tables of Data Structures & Algorithms I
 
The question was asked in my homework.

1 Answers
Editor">Editor Staff answered 1 month ago

The correct answer is (a) to calculate and return the index of corresponding data
 
The explanation is: Hash function calculates and returns the index for corresponding data. This data is then mapped in a hash table.