摘要: Time limit : 2sec / Stack limit : 256MB / Memory limit : 256MBProblemCarol is a great alchemist.In her world, each metal has a name of 2N (N is an int... 阅读全文
posted @ 2014-11-01 23:26 linyx 阅读(281) 评论(0) 推荐(0) 编辑