2015年4月17日
Topcoder SRM656div1 250 ( 期望DP )
摘要： Problem StatementCharlie has N pancakes. He wants to serve some of them for breakfast. We will number the pancakes 0 through N-1. For each i, pancake ... 阅读全文
posted @ 2015-04-17 23:52 hl_mark 阅读(246) 评论(0) 推荐(0) 编辑