2014年7月20日
Uva--519（回溯，剪枝）
摘要： 2014-07-2021:00:37Puzzle (II)Little Barborka has just started to learn how to solve a picture puzzle. She has started with a small one containing 15 p... 阅读全文
posted @ 2014-07-20 21:27 Naturain 阅读(214) 评论(0) 推荐(0) 编辑
Uva--387（记忆化回溯，弱剪枝）
摘要： 2014-07-2014:55:02A Puzzling ProblemThe goal of this problem is to write a program which will take from 1 to 5 puzzle pieces such as those shown below... 阅读全文
posted @ 2014-07-20 15:21 Naturain 阅读(183) 评论(0) 推荐(0) 编辑
Uva--317（回溯 / 规律）
摘要： 2014-07-2011:55:19HexagonConsider a game board consisting of 19 hexagonal fields, as shown in the figure below. We can easily distinguish three main d... 阅读全文
posted @ 2014-07-20 12:04 Naturain 阅读(175) 评论(0) 推荐(0) 编辑
Uva--10123（回溯，强剪枝）
摘要： 2014-07-1923:49:21Problem A - No TippingAs Archimedes famously observed, if you put an object on a lever arm, it will exert a twisting force around th... 阅读全文
posted @ 2014-07-20 00:04 Naturain 阅读(220) 评论(0) 推荐(0) 编辑