2013年8月2日
Eight
摘要： DescriptionThe 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile missing. Let's call the missing tile ' 阅读全文
posted @ 2013-08-02 16:47 forevermemory 阅读(647) 评论(0) 推荐(0)