摘要：
题目链接： http://poj.org/problem?id=1636 题目描述： Prison rearrangement Description In order to lower the risk of riots and escape attempts, the boards of two 阅读全文
摘要：
题目链接： http://poj.org/problem?id=1823 题目描述： Hotel Description The "Informatics" hotel is one of the most luxurious hotels from Galaciuc. A lot of touri 阅读全文
摘要：
题目链接： http://poj.org/problem?id=3714 题目描述： Raid Description After successive failures in the battles against the Union, the Empire retreated to its la 阅读全文