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Recent questions tagged hashing
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31
NPTEL Assignment of Hashing Techniques
Canadian postal codes have the format LDL DLD, where L is always a letter (between A-Z), D is always a digit (0-9), and is always a single space. For example, the postal code for the University of Waterloo is N2L 3G1. Devise a suitable hash function for this system.
rsansiya111
asked
in
DS
Mar 12, 2022
by
rsansiya111
366
views
data-structures
hashing
19
votes
2
answers
32
GATE CSE 2022 | Question: 6
Suppose we are given $n$ keys, $m$ hash table slots, and two simple uniform hash functions $h_{1}$ and $h_{2}.$ Further suppose our hashing scheme uses $h_{1}$ for the odd keys and $h_{2}$ for the even keys. What is the expected number of keys in a slot? $\frac{m}{n}$ $\frac{n}{m}$ $\frac{2n}{m}$ $\frac{n}{2m}$
Arjun
asked
in
Algorithms
Feb 15, 2022
by
Arjun
10.3k
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gatecse-2022
algorithms
hashing
uniform-hashing
1-mark
0
votes
1
answer
33
Data structure: hashing
A hash table has spaces for 50 records. Then the probability of collision before the table is 10% full is_______. 10% of 50 = 5, so we need to find the probability of collision before we insert 5 slots. *When hash table empty, prob. of ... no. of slots = 200 then probability = 0.95 Why probability of collision is increasing very rapidly? Please give a detailed explanation.
Crackca
asked
in
DS
Nov 22, 2021
by
Crackca
885
views
hashing
data-structures
26
votes
1
answer
34
GATE CSE 2021 Set 1 | Question: 47
Consider a $\textit{dynamic}$ hashing approach for $4$-bit integer keys: There is a main hash table of size $4$. The $2$ least significant bits of a key is used to index into the main hash table. Initially, the main hash table entries are empty. Thereafter, when more keys are hashed ... notation)? $5,9,4,13,10,7$ $9,5,10,6,7,1$ $10,9,6,7,5,13$ $9,5,13,6,10,14$
Arjun
asked
in
Algorithms
Feb 18, 2021
by
Arjun
7.7k
views
gatecse-2021-set1
multiple-selects
algorithms
hashing
2-marks
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