Practice Filling The Lcs Table (43.1.3) - Longest common subsequence - Part B
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Filling the LCS Table

Practice - Filling the LCS Table

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does LCS stand for?

💡 Hint: Think about sequences that appear in order.

Question 2 Easy

How do we initialize the first row and column in the LCS table?

💡 Hint: Consider what happens when one sequence is empty.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do we use to fill the LCS table?

Only previous matches
Cells from the same row
Values from up to three surrounding cells

💡 Hint: Remember the dependencies we discussed.

Question 2

True or False: The maximum value in the LCS table is always in the top left cell.

True
False

💡 Hint: Consider how table filling works.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given sequences 'ABCDEF' and 'ACDF', fill the LCS table and find the longest common subsequence.

💡 Hint: Follow the matching patterns carefully.

Challenge 2 Hard

Analyze what happens when two sequences are completely disjoint, such as 'XYZ' and 'ABC'.

💡 Hint: Think about how the absence of common elements affects filling the cells.

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Reference links

Supplementary resources to enhance your learning experience.