String Algorithms MCQs With Answers

Computer MCQs 360July 14, 2023

0 8 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

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

KMP

Ukkonen's algorithm

Rabin-Karp

2 / 40

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

Find all occurrences of a pattern

Find shortest paths

Sort elements

3 / 40

Which algorithm is used to find the longest repeated substring?

KMP

Rabin-Karp

Suffix tree

4 / 40

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

Wagner-Fischer algorithm

KMP

Boyer-Moore

5 / 40

Which algorithm is used for exact pattern matching in strings?

Floyd-Warshall

Dijkstra's

Knuth-Morris-Pratt (KMP)

6 / 40

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

O(n^2)

O(n + m)

O(n log n)

7 / 40

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

O(n log n)

O(n * m)

O(n + m)

8 / 40

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

O(n log n)

O(n * m)

O(n + m)

9 / 40

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

KMP

Patience sorting algorithm

Rabin-Karp

10 / 40

Which algorithm uses a prefix function for pattern matching?

KMP

Rabin-Karp

Boyer-Moore

11 / 40

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

KMP

Rabin-Karp

Boyer-Moore

12 / 40

Which algorithm is used for online string matching?

KMP

Boyer-Moore

Aho-Corasick

13 / 40

Which algorithm is used for string matching with wildcards?

KMP

Boyer-Moore

Aho-Corasick

14 / 40

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

Single pattern matching

Sorting elements

Multiple pattern matching

15 / 40

What is the time complexity of constructing a suffix automaton?

O(n^2)

O(n log n)

O(n)

16 / 40

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

Data compression

Pattern matching

Sorting elements

17 / 40

Which algorithm is efficient for approximate string matching?

Boyer-Moore

KMP

Levenshtein distance

18 / 40

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

Rabin-Karp

KMP

BWT

19 / 40

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

O(n log n)

O(n * m)

O(n + m)

20 / 40

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

Uses less memory

Simplicity

Heuristics reduce comparisons

21 / 40

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

O(n)

O(n log n)

O(n^2)

22 / 40

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

O(n log n)

O(n + m)

O(n^2)

23 / 40

What is the time complexity of the Levenshtein distance algorithm?

O(n log n)

O(n * m)

O(n + m)

24 / 40

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

O(n log n)

O(n)

O(n^2)

25 / 40

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

Rabin-Karp

Knuth-Morris-Pratt (KMP)

Boyer-Moore

26 / 40

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

Rabin-Karp

KMP

Aho-Corasick

27 / 40

What is the time complexity of Manacher's algorithm?

O(n^2)

O(n)

O(n log n)

28 / 40

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

KMP

Rabin-Karp

Dynamic programming

29 / 40

What is the time complexity of the online KMP algorithm?

O(n log n)

O(n^2)

O(n)

30 / 40

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

O(n^2)

O(n log n)

O(n)

31 / 40

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

Find substrings

Sort elements

Find shortest paths

32 / 40

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

Segment tree

Binary search tree

Suffix tree

33 / 40

Which algorithm is used for finding the longest palindromic substring?

KMP

Rabin-Karp

Manacher's algorithm

34 / 40

What is the time complexity of the Z algorithm?

O(n + m)

O(n^2)

O(n log n)

35 / 40

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

O(n log n)

O(n + m)

O(n * m)

36 / 40

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

KMP

Rabin-Karp

Dynamic programming

37 / 40

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

Rabin-Karp

Boyer-Moore

KMP

38 / 40

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

KMP

Kasai's algorithm

Rabin-Karp

39 / 40

Which algorithm constructs a suffix array for a given string?

KMP

Rabin-Karp

SA-IS

40 / 40

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

O(n^2)

O(n)

O(n log n)

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Computer MCQs 360July 14, 2023

0 8 1 minute read