Practice Department Of Computer Science And Engineering (34.1.2) - Generating permutations
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Department of Computer Science and Engineering

Practice - Department of Computer Science and Engineering

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is backtracking?

💡 Hint: Think about a maze-solving strategy.

Question 2 Easy

List the first three permutations of the digits {0, 1, 2}.

💡 Hint: Start with the smallest arrangement.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the key step to generate the next permutation?

Find the first increasing pair from the end
Find the smallest number
Sort the entire sequence

💡 Hint: Think about how you would change a sequence.

Question 2

True or False: Backtracking guarantees finding the optimal solution.

True
False

💡 Hint: Consider if it always finds the best result.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a next permutation function in Python for a sequence of numbers. Provide an example of how it operates on the input [1, 2, 3].

💡 Hint: Focus on where the numbers stop increasing.

Challenge 2 Hard

Determine the next permutation for the sequence [3, 1, 4, 2]. Show each step of your process.

💡 Hint: Identify the longest suffix before performing swaps.

Get performance evaluation

Reference links

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