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For instance, given N = 5, the following would not be a Valid output: 000XX XX000 хохох ΟΧΟOX хоххо because there's a 3x3 square whose four corners are all X's: ..... Х.Х.. ..... Х.Х.. That is, if any four cells(elements) of the grid are at equal distances from each other(square), they must not be either all X's or all O's. Example input Example output 000XX XX000 0oXox ΟΧΟOX хоххо

For instance, given N = 5, the following would not be a Valid output: 000XX XX000 хохох ΟΧΟOX хоххо because there's a 3x3 square whose four corners are all X's: ..... Х.Х.. ..... Х.Х.. That is, if any four cells(elements) of the grid are at equal distances from each other(square), they must not be either all X's or all O's. Example input Example output 000XX XX000 0oXox ΟΧΟOX хоххо

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Language :- Python

Problem Statement:
Given an integer N, your task is to find an NxN layout of X's and O's such that no
axis-aligned square (2x2 or larger) within the grid has the same symbol at each of
its four corners.

 

For instance, given N = 5, the following would not be a valid output: 000XX XX000 ΧΟΧOX OX00X ΧOXXO because there's a 3x3 square whose four corners are all X's: Χ.Χ. .... .. Χ.Χ. That is, if any four cells(elements) of the grid are at equal distances from each other(square), they must not be either all X's or all O's. Example input 5 Example output 000XX XX000 0oXoX ОХООХ ΧOXXO
Transcribed Image Text:For instance, given N = 5, the following would not be a valid output: 000XX XX000 ΧΟΧOX OX00X ΧOXXO because there's a 3x3 square whose four corners are all X's: Χ.Χ. .... .. Χ.Χ. That is, if any four cells(elements) of the grid are at equal distances from each other(square), they must not be either all X's or all O's. Example input 5 Example output 000XX XX000 0oXoX ОХООХ ΧOXXO
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