摘要: 题目连接http://acm.hdu.edu.cn/showproblem.php?pid=3836Equivalent SetsDescriptionTo prove two sets A and B are equivalent, we can first prove A is a subset... 阅读全文
posted @ 2015-11-28 21:07 GadyPu 阅读(164) 评论(0) 推荐(0) 编辑