Codeforces Round #171 (Div. 2) B. Books（DP）
摘要：
B. Bookstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhen Valera has got some free time, he goes to the library to read some books. Today he's got t free minutes to read. That's why Valera took n books in the library and for each book 阅读全文
posted @ 2013-03-12 16:27 铁树银花 阅读(602) 评论(0) 推荐(0) 编辑
