Practice Longest Common Subsequence (lcs) Logic (43.1) - Longest common subsequence - Part B
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Longest Common Subsequence (LCS) Logic

Practice - Longest Common Subsequence (LCS) Logic

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does LCS stand for?

💡 Hint: Think about what the letters represent for sequences.

Question 2 Easy

If one string is empty, what is the LCS?

💡 Hint: Consider the definition of LCS.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main goal of the LCS algorithm?

To find the longest common prefix
To find the longest common subsequence
To sort two strings

💡 Hint: Think about how subsequences differ from prefixes.

Question 2

True or False: If two strings are identical, their LCS is the length of either string.

True
False

💡 Hint: Consider what makes them identical.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the strings 'ABC' and 'XYC', what is the LCS? Provide a step-by-step solution.

💡 Hint: Focus on character comparisons step-by-step.

Challenge 2 Hard

Using 'PMCQ' and 'CMXQ', find the LCS. Explain your reasoning.

💡 Hint: Follow the matching path through comparisons.

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Reference links

Supplementary resources to enhance your learning experience.