2015年3月20日
poj 1815 Friendship 字典序最小+最小割
摘要： 题目链接：http://poj.org/problem?id=1815In modern society, each person has his own friends. Since all the people are very busy, they communicate with each ... 阅读全文
posted @ 2015-03-20 22:03 huangxf 阅读(559) 评论(0) 推荐(0)
poj 1273 Drainage Ditches 最大流入门题
摘要： 题目链接：http://poj.org/problem?id=1273Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the ... 阅读全文
posted @ 2015-03-20 18:12 huangxf 阅读(482) 评论(0) 推荐(0)