摘要: [Usaco2012 Open]Balanced Cow Subsets 题目描述 给出$N(1≤N≤20)$个数$M(i) (1 include include include include define ll long long define R register define N 22 us 阅读全文
posted @ 2018-10-20 21:56 ZAGER 阅读(1960) 评论(0) 推荐(1) 编辑