USACO1.1.2--Greedy Gift Givers
摘要：
Greedy Gift GiversA group of NP (2 ≤ NP ≤ 10) uniquely named friends has decided to exchange gifts of money. Each of these friends might or might not give some money to any or all of the other friends. Likewise, each friend might or might not receive money from any or all of the other friends. Your 阅读全文
posted @ 2013-01-07 23:35 仗剑奔走天涯 阅读(194) 评论(0) 推荐(0) 编辑
