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