Practice Case When Characters Match - 4.3.1 | 4. Longest Common Subsequence | Design & Analysis of Algorithms - Vol 3
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Case When Characters Match

4.3.1 - Case When Characters Match

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define what a subsequence is.

💡 Hint: Think about the letters in a word.

Question 2 Easy

What does LCS stand for?

💡 Hint: It's a term frequently used in programming and data analysis.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the time complexity of the naive LCS solution?

O(m*n)
O(m+n)
O(m^2+n^2)

💡 Hint: Think about how many combinations you’re checking.

Question 2

Is a subsequence required to maintain the order of characters?

True
False

💡 Hint: Reflect on how you can form sequences from words.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given two strings 'ABC' and 'AC', determine the LCS and demonstrate the steps taken during the computation.

💡 Hint: Map out how characters align in the strings.

Challenge 2 Hard

Implement a simple algorithm using dynamic programming to compute the LCS for two strings provided in an input.

💡 Hint: Visualize filling the matrix as you compare each character.

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Reference links

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