HOW EXACTLY HASHING PERFORMS BETTER THAN A BINARY SEARCH?
Jun 30, 2017 Speed of calculating the hash function of large keys: You don't actually have to process the whole key. For example if the key is a string, you might process only the first and … From cs.stackexchange.com
HASH SIZE: ARE PRIME NUMBERS "NEAR" POWERS OF TWO A POOR …
For example, suppose we wish to allocate a hash table, with collisions resolved by chaining, to hold roughly n = 2000 n = 2000 character strings, where a character has 8 bits. We don't mind … From cs.stackexchange.com
WHAT IS THE ADVANTAGE OF SEPERATE CHAINING OVER OPEN ADDRESSING?
6 Hash tables resolve collisions through two mechanisms, separate chaining or open hashing and open addressing or closed hashing. Though the first method uses lists (or other fancier data … From cs.stackexchange.com
HASH - HOW IS THIS THE EXPECTED NUMBER OF OF PROBES IN OPEN …
I am reading the "Introduction to Algorithms" by Thomas Cormen et al. Particularly the theorem which says that given an open-address hash table with load factor $\\alpha = n/m < 1$, the … From cs.stackexchange.com
COLLISION RESISTANT HASH FUNCTION - COMPUTER SCIENCE STACK …
The birthday attack applies to any hash-function, regardless of its structure, and also to hi h i. For your first question, here is a possible hint. Note that if we can find a collision in hi h i then we … From cs.stackexchange.com
HASH TABLES - NUMBER OF PROBES IN A SUCCESSFUL SEARCH IN OPEN …
Mar 17, 2021 Given an open-address hash table with α α < 1, the expected number of probes in a successful search is at most 1 αln 1 1−α 1 α ln 1 1 α I read this in a book and the proof starts … From cs.stackexchange.com
HASHING - DIFFERENCE BETWEEN PROPERTIES OF GOOD HASH FUNCTION ...
Jun 9, 2016 This is possible in practice if the hash function includes a random factor which is based on a secret seed. You could use a hash function that uses actual randomness and a … From cs.stackexchange.com
WHAT EXACTLY IS A HASH FUNCTION? - COMPUTER SCIENCE STACK …
The main difference between hash functions and pseudorandom number generators is that a hash function gives a unique value for each input. This is important for applications such as … From cs.stackexchange.com
TERMINOLOGY - WHAT EXACTLY (AND PRECISELY) IS "HASH?" - COMPUTER ...
Apr 5, 2016 Wikipedia has detailed articles on hash tables and cryptographic hash functions. What are you looking for that isn't in those? From cs.stackexchange.com
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