求拓扑排序的数量，例题 topcoder srm 654 div2 500
摘要：
周赛时遇到的一道比较有意思的题目:Problem StatementThere are N rooms in Maki's new house. The rooms are numbered from 0 to N-1. Some pairs of rooms are connected by bi... 阅读全文
posted @ 2015-04-01 09:41 Felix Fang 阅读(1806) 评论(0) 推荐(0) 编辑
