January 2020
Intermediate to advanced
470 pages
11h 13m
English
Content preview from Mastering JavaScript Functional Programming - Second Edition
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The eight queens puzzle
The eight queens puzzle was invented in the nineteenth century and involves placing eight chess queens on a standard chessboard. The special condition is that no queen should be able to attack another—implying that no pair of queens may share a row, column, or diagonal line. The puzzle may ask for any solution or for the total number of distinct solutions, which is what we will attempt to find.
The puzzle may also be generalized to n queens, by working on an n x n square board. It is known that there are solutions for all values of n, except n=2 (pretty simple to see why: after placing one queen, all of the board is threatened) and n=3 (if you place a queen in the center, all of the board is threatened, and if you ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.