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hashing:-hashing is done to search any data with n time complexity.hashing is done to make fast search.
- ashu143 June 29, 2010to implement it a hash table is formed with the help of hash function
there are two types of hashing
close addressing and open addressing.
in open addressing there is no problem reagrding collision because there is a lot of space.
In close addressing there are a limited space and we are to use hash function to implement data on that table..that will cause collsion if hash function is giving same value for two keys.
hash fucntion:- as like i am taking roll no of student then there last digit will be a hash function
As my data is 0,1,2,3,4 then i should use hash function as i%5