Practice Motivation For Longest Common Subsequence Problem (43.1.7) - Longest common subsequence - Part A
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Motivation for Longest Common Subsequence Problem

Practice - Motivation for Longest Common Subsequence Problem

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the Longest Common Subsequence?

💡 Hint: Think of it as a continuous order without rearranging.

Question 2 Easy

What does dynamic programming achieve in solving LCS?

💡 Hint: Consider how we can use previous results to simplify current computations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does LCS stand for?

Longest Common Sequential
Longest Common Subsequence
Longest Common Substring

💡 Hint: Think about the key terms in computer science related to sequences.

Question 2

True or False: A subsequence requires characters to be contiguous.

True
False

💡 Hint: Consider what happens between letters in a string.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the strings 'abcdf' and 'acf', compute the LCS and explain your reasoning.

💡 Hint: Visualize matching pairs and keeping track of skipped characters.

Challenge 2 Hard

Formulate a dynamic programming algorithm for detecting the LCS between two sequences and analyze its complexity.

💡 Hint: Draw out the filling process, considering base cases when one string is empty.

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Reference links

Supplementary resources to enhance your learning experience.