Practice Tracing The Actual Solution (43.1.4) - Longest common subsequence - Part B
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

Tracing the Actual Solution

Practice - Tracing the Actual Solution

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define the Longest Common Subsequence (LCS).

💡 Hint: Think about how subsequences maintain the original order.

Question 2 Easy

What happens when characters match in the LCS process?

💡 Hint: Look for the definition of subsequence.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the longest common subsequence represent?

The longest common substring
The longest sequence maintaining order
The number of matching characters

💡 Hint: Pay attention to the terms subsequence and substring.

Question 2

True or False: LCS can have multiple valid sequences.

True
False

💡 Hint: Consider scenarios where characters can match differently.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the sequences 'XMJYAUZ' and 'MZJAJAW' and find the LCS with a detailed explanation.

💡 Hint: Focus on where matches occur and adjust for grid dependencies.

Challenge 2 Hard

Create a dynamic programming matrix for sequences 'ABCD' and 'AECDB' and backtrack to find LCS.

💡 Hint: Keep track of choices for both sequences as you fill the rows and columns.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.