Practice Examples Of Using Longest Common Subsequence (43.1.6) - Longest common subsequence - Part A
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Examples of Using Longest Common Subsequence

Practice - Examples of Using Longest Common Subsequence

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define Longest Common Subsequence.

💡 Hint: Think about the definition of subsequence.

Question 2 Easy

What is an example of a pair of words with LCS?

💡 Hint: Consider letters that appear in order.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the time complexity of the brute force method for LCS?

O(n)
O(n^2)
O(n^3)

💡 Hint: Think of how many comparisons are made.

Question 2

True or False: The longest common subsequence must consist of contiguous characters from each string.

True
False

💡 Hint: Consider sequences with gaps.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given two strings 'AABCA' and 'BACDBA', find out the LCS. Describe your approach.

💡 Hint: Remember the recursive relationship and build your table carefully.

Challenge 2 Hard

Construct a case where the LCS length is maximized while minimizing matching characters.

💡 Hint: Consider non-overlapping sequences and their impact.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.