String Algorithms MCQs With Answers

Computer MCQs 360July 14, 2023

0 10 1 minute read

Welcome to the String Algorithms MCQs with Answers. In this post, we have shared String Algorithms Online Test for different competitive exams. Find practice String Algorithms Practice Questions with answers in Computer Tests exams here. Each question offers a chance to enhance your knowledge regarding String Algorithms.

String Algorithms Online MCQs

By presenting 3 options to choose from, String Algorithms Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of String Algorithms Questions and Answers and click over the correct answer.

Test Name: String Algorithms MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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String Algorithms

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1 / 40

What is the time complexity of the Rabin-Karp algorithm in the average case?

O(n + m)

O(n^2)

O(n log n)

2 / 40

What is the time complexity of constructing a suffix array using the SA-IS algorithm?

O(n log n)

O(n^2)

O(n)

3 / 40

What is the primary use of the Z algorithm in string processing?

Find shortest paths

Find all occurrences of a pattern

Sort elements

4 / 40

Which algorithm is used for exact pattern matching in strings?

Knuth-Morris-Pratt (KMP)

Dijkstra's

Floyd-Warshall

5 / 40

Which algorithm uses dynamic programming to find the shortest common supersequence?

Dynamic programming

KMP

Rabin-Karp

6 / 40

What is the time complexity of the KMP algorithm for pattern matching?

O(n^2)

O(n + m)

O(n log n)

7 / 40

Which algorithm is known for its bad character and good suffix heuristics?

KMP

Rabin-Karp

Boyer-Moore

8 / 40

What is the main advantage of the Boyer-Moore algorithm over other string matching algorithms?

Uses less memory

Simplicity

Heuristics reduce comparisons

9 / 40

What is the time complexity of the Levenshtein distance algorithm?

O(n log n)

O(n * m)

O(n + m)

10 / 40

What is the time complexity of Manacher's algorithm?

O(n log n)

O(n^2)

O(n)

11 / 40

What is the worst-case time complexity of the Boyer-Moore algorithm?

O(n + m)

O(n log n)

O(n * m)

12 / 40

Which algorithm constructs a Burrows-Wheeler transform of a string?

KMP

BWT

Rabin-Karp

13 / 40

Which algorithm preprocesses a pattern to create a partial match table?

Boyer-Moore

Knuth-Morris-Pratt (KMP)

Rabin-Karp

14 / 40

What is the time complexity of the online KMP algorithm?

O(n)

O(n^2)

O(n log n)

15 / 40

Which algorithm is used for online string matching?

Boyer-Moore

Aho-Corasick

KMP

16 / 40

Which data structure is used to store all suffixes of a string?

Binary search tree

Segment tree

Suffix tree

17 / 40

Which algorithm is efficient for approximate string matching?

Levenshtein distance

Boyer-Moore

KMP

18 / 40

Which algorithm is used for finding the longest increasing subsequence in a string?

KMP

Rabin-Karp

Patience sorting algorithm

19 / 40

Which algorithm is used to find the edit distance between two strings?

KMP

Boyer-Moore

Wagner-Fischer algorithm

20 / 40

Which algorithm is used for finding the longest palindromic substring?

KMP

Manacher's algorithm

Rabin-Karp

21 / 40

Which algorithm is used to find the longest common prefix of two substrings?

Rabin-Karp

KMP

Kasai's algorithm

22 / 40

What is the main purpose of the Knuth-Morris-Pratt algorithm?

Find substrings

Find shortest paths

Sort elements

23 / 40

What is the time complexity of constructing a suffix automaton?

O(n)

O(n^2)

O(n log n)

24 / 40

What is the time complexity of Kasai's algorithm for finding the longest common prefix array?

O(n)

O(n^2)

O(n log n)

25 / 40

Which algorithm is used for string matching with wildcards?

Aho-Corasick

Boyer-Moore

KMP

26 / 40

Which string algorithm is used to find the longest common subsequence?

KMP

Dynamic programming

Rabin-Karp

27 / 40

Which algorithm uses a prefix function for pattern matching?

Boyer-Moore

KMP

Rabin-Karp

28 / 40

What is the time complexity of constructing a suffix tree using Ukkonen's algorithm?

O(n)

O(n^2)

O(n log n)

29 / 40

What is the time complexity of the Z algorithm?

O(n^2)

O(n + m)

O(n log n)

30 / 40

What is the time complexity of the Wagner-Fischer algorithm for edit distance?

O(n * m)

O(n + m)

O(n log n)

31 / 40

What is the time complexity of finding the longest repeated substring using a suffix tree?

O(n log n)

O(n^2)

O(n)

32 / 40

What is the time complexity of the dynamic programming algorithm for the shortest common supersequence?

O(n + m)

O(n * m)

O(n log n)

33 / 40

Which algorithm is used to find the longest repeated substring?

Rabin-Karp

Suffix tree

KMP

34 / 40

Which algorithm is used to construct a suffix automaton for a string?

KMP

Rabin-Karp

Ukkonen's algorithm

35 / 40

What is the time complexity of the dynamic programming approach to find the longest common subsequence?

O(n * m)

O(n + m)

O(n log n)

36 / 40

Which algorithm constructs a suffix array for a given string?

Rabin-Karp

KMP

SA-IS

37 / 40

Which algorithm is used to find all occurrences of a set of keywords in a text?

KMP

Aho-Corasick

Rabin-Karp

38 / 40

What is the primary use of the Burrows-Wheeler transform?

Data compression

Pattern matching

Sorting elements

39 / 40

Which algorithm uses hashing to find a pattern in a text?

Rabin-Karp

KMP

Boyer-Moore

40 / 40

What is the primary purpose of the Aho-Corasick algorithm?

Single pattern matching

Sorting elements

Multiple pattern matching

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Computer MCQs 360July 14, 2023

0 10 1 minute read