Practice Good Case And Solution Strategy (43.1.1) - Longest common subsequence - Part B
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Good Case and Solution Strategy

Practice - Good Case and Solution Strategy

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does LCS stand for?

💡 Hint: Think about what sequences might share.

Question 2 Easy

If a_i is equal to b_j, what do we add?

💡 Hint: Concept of matching!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main goal of the LCS problem?

Finding the length of two sequences
Identifying the longest subsequence
Maximizing the sum of sequences

💡 Hint: Just think about what a subsequence is!

Question 2

If making a choice based on a mismatch, what is the expected action?

True
False

💡 Hint: Like choosing between best outcomes!

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the sequences 'XMJYAUZ' and 'MZJAWXU', use dynamic programming to find and trace the LCS.

💡 Hint: Fill tables based on earlier discussed methods!

Challenge 2 Hard

How would you adjust the algorithm if you needed to find all possible LCS?

💡 Hint: Adapt your path retracing method!

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Reference links

Supplementary resources to enhance your learning experience.