Practice Board Initialization (32.3.2) - Backtracking, N queens - Part B
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Board Initialization

Practice - Board Initialization

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the space complexity of maintaining an N x N attack array?

💡 Hint: Think about how many squares are on a chessboard.

Question 2 Easy

How do you represent that a row is under attack?

💡 Hint: Remember a binary representation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary challenge of using a full attack array?

High space usage
Low time complexity
Easy Implementation

💡 Hint: Think about the resources used.

Question 2

True or False: A queen can attack directly along its row and column without regard to diagonals.

True
False

💡 Hint: Recall how queens move in chess.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a board size N, calculate the total number of squares that are attacked if N queens are placed ideally.

💡 Hint: What overlaps occur if two queens are in proximity?

Challenge 2 Hard

Demonstrating with a 4x4 board: Show the state of the attack arrays after placing a queen at (1, 2).

💡 Hint: Consider what indices are affected by this queen’s placement.

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Reference links

Supplementary resources to enhance your learning experience.