Practice Common Subwords and Subsequences - 3 | 3. Common Subwords and Subsequences | Design & Analysis of Algorithms - Vol 3
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Common Subwords and Subsequences

3 - Common Subwords and Subsequences

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a subword.

💡 Hint: Consider parts of a given word.

Question 2 Easy

What is the significance of a common subword?

💡 Hint: Think of how words relate in meaning or structure.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the longest common subword for 'intersection' and 'section'?

inter
sect
section

💡 Hint: Look for contiguous segments in both words.

Question 2

True or False: The brute-force method is efficient for very large strings.

True
False

💡 Hint: Consider time complexity.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the strings 'algorithm' and 'logarithm', determine the longest common subword using both brute-force and dynamic programming approaches. Discuss the results and efficiency.

💡 Hint: Start by breaking down each method step by step.

Challenge 2 Hard

Design a dynamic programming table for the words 'home' and 'some'. Show the filled table and explain how you derived the length of the longest common subword.

💡 Hint: Refer to how characters are compared for filling values.

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