2014年4月29日
POJ3728 The merchant解题报告
摘要： Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in ... 阅读全文
posted @ 2014-04-29 14:42 keambar 阅读(357) 评论(0) 推荐(0)