Arnaldo Perez Castano Arnaldo Perez Castano is a computer scientist based in Cuba. He is the
author of a series of programming books – JavaScript Facil, HTML y
CSS Facil, and Python Facil (Marcombo S.A). His expertise includes
Visual Basic, C#, .NET Framework, and artificial intelligence, and
offers his services as a freelancer through nubelo.com. Cinema and music are some of his passions.
Sam Loyd (1841–1911), American chess player and puzzle maker, created the sliding tiles puzzle in the 1870s. The puzzle is represented by an m×n grid, where m is number of columns and n is number of rows, and each cell can be any imaginable value (number, letter, image, and so on.)
The purpose of the puzzle is to rearrange the initial configuration of the tiles to match another... Read More
