IN-TREEISH-TABLE(T, k) p= T[HASH(T, k)] while p * NIL ifkp.key p=p.right else 1a. return TRUE return FALSE IN-TREEISH-TABLE takes a hash table T and a key k as its parameters. The table T resolves collisions by chaining, but instead of using linked lists in its buckets, it uses binary search trees. In the trees, each node p has three slots. The slot p.key is a key. The slots p.left and p.left point to p's left and right subtrees, respectively. IN-TREEISH-TABLE first uses a hash function HASH to find a tree in the table, then searches that tree for k. If it finds k, then it returns TRUE, otherwise it returns FALSE. In the best case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. 1b In the average case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint: assume simple uniform hashing is in effect. 1c. In the worst case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint: assume simple uniform hashing fails. #2
IN-TREEISH-TABLE(T, k) p= T[HASH(T, k)] while p * NIL ifkp.key p=p.right else 1a. return TRUE return FALSE IN-TREEISH-TABLE takes a hash table T and a key k as its parameters. The table T resolves collisions by chaining, but instead of using linked lists in its buckets, it uses binary search trees. In the trees, each node p has three slots. The slot p.key is a key. The slots p.left and p.left point to p's left and right subtrees, respectively. IN-TREEISH-TABLE first uses a hash function HASH to find a tree in the table, then searches that tree for k. If it finds k, then it returns TRUE, otherwise it returns FALSE. In the best case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. 1b In the average case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint: assume simple uniform hashing is in effect. 1c. In the worst case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint: assume simple uniform hashing fails. #2
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question #01 (b)
Please provide justified answer asap to get a upvote must for 1(b) or for all parts please
![Questions la through Ie are about the procedure IN-TREEISH-TABLE, which is shown below.
IN-TREEISH-TABLE(T, k)
p = T[HASH(T, k)]
while p # NIL
if k< p.key
p = p.left
else if k > p.key
p = p.right
else
return TRUE
return FALSE
IN-TREEISH-TABLE takes a hash table T and a key k as its parameters. The table T resolves collisions by chaining, but instead of using
linked lists in its buckets, it uses binary search trees. In the trees, each node p has three slots. The slot p.key is a key. The slots p.left
and p.left point to p's left and right subtrees, respectively. IN-TREEISH-TABLE first uses a hash function HASH to find a tree in the
table, then searches that tree for k. If it finds k, then it returns TRUE, otherwise it returns FALSE.
In the best case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer.
1a.
1b
In the average case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint:
assume simple uniform hashing is in effect.
1c.
In the worst case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint:
assume simple uniform hashing fails.
#2
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Transcribed Image Text:Questions la through Ie are about the procedure IN-TREEISH-TABLE, which is shown below.
IN-TREEISH-TABLE(T, k)
p = T[HASH(T, k)]
while p # NIL
if k< p.key
p = p.left
else if k > p.key
p = p.right
else
return TRUE
return FALSE
IN-TREEISH-TABLE takes a hash table T and a key k as its parameters. The table T resolves collisions by chaining, but instead of using
linked lists in its buckets, it uses binary search trees. In the trees, each node p has three slots. The slot p.key is a key. The slots p.left
and p.left point to p's left and right subtrees, respectively. IN-TREEISH-TABLE first uses a hash function HASH to find a tree in the
table, then searches that tree for k. If it finds k, then it returns TRUE, otherwise it returns FALSE.
In the best case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer.
1a.
1b
In the average case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint:
assume simple uniform hashing is in effect.
1c.
In the worst case, how many key comparisons will IN-TREEISH-TABLE perform? Briefly explain your answer. Hint:
assume simple uniform hashing fails.
#2
CS Scanned with CamScanner
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