2013年10月23日
POJ 3659 再谈树形DP
摘要： Cell Phone NetworkTime Limit:1000MSMemory Limit:65536KTotal Submissions:5325Accepted:1886DescriptionFarmer John has decided to give each of his cows a cell phone in hopes to encourage their social interaction. This, however, requires him to set up cell phone towers on hisN(1 ≤N≤ 10,000) pastures (co 阅读全文
posted @ 2013-10-23 09:52 KRisen 阅读(223) 评论(0) 推荐(0)