Lecture 16, 18, 20

 0    23 fiche    kapi2304
ladda ner mp3 skriva ut spela Kontrollera dig själv
 
Fråga język polski Svar język polski
Quick sort uses which of the following algorithm to implement sorting?
börja lära sig
divide and conquer
What is a randomized quick sort?
börja lära sig
quick sort with random choice of pivot
What is the auxiliary space complexity of randomized quick sort?
börja lära sig
O(log n)
What is the average time complexity of randomized quick sort?
börja lära sig
O(n log n)
Randomized quick sort is an in place sort.
börja lära sig
True
Randomized quick sort is a stable sort.
börja lära sig
False
What is the best case time complexity randomized quick sort?
börja lära sig
O(nlog n)
Which of the following is incorrect about randomized quicksort?
börja lära sig
it cannot have a time complexity of O(n^2) in any case
What is the worst case time complexity of randomized quicksort?
börja lära sig
O(n^2)
Using division method, in a given hash table of size 157, the key of value 172 be placed at position ____
börja lära sig
15
Collisions can be reduced by choosing a hash function randomly in a way that is independent of the keys that are actually to be stored
börja lära sig
True
What is the average retrieval time when n keys hash to the same slot?
börja lära sig
Theta(n)
What is a hash table?
börja lära sig
A data structure used to store key-value pairs
How does a hash table work?
börja lära sig
It uses a hash function to map keys to array indices
What is the time complexity of inserting an element in a hash table?
börja lära sig
O(1)
What is the worst-case time complexity of searching for an element in a hash table?
börja lära sig
O(n)
What happens if two keys hash to the same index in a hash table?
börja lära sig
A collision occurs
Depth First Search is equivalent to which of the traversal in the Binary Trees?
börja lära sig
Pre-order Traversal
Time Complexity of DFS is? (V – number of vertices, E – number of edges)
börja lära sig
O(V + E)
The Data structure used in standard implementation of Breadth First Search is?
börja lära sig
Queue
The Depth First Search traversal of a graph will result into?
börja lära sig
Tree
When the Depth First Search of a graph is unique?
börja lära sig
When the graph is a Linked List
In Depth First Search, how many times a node is visited?
börja lära sig
Equivalent to number of indegree of the node

Du måste vara inloggad för att skriva en kommentar.