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

Test your understanding with targeted questions related to the topic.

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.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

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.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation