2015年8月24日
codeforces #274 C. Riding in a Lift dp+前缀和优化
摘要： codeforces #274 C. Riding in a Lift dp+前缀和优化Imagine that you are in a building that has exactlynfloors. You can move between the floors in a lift. Le... 阅读全文
posted @ 2015-08-24 17:35 __560 阅读(333) 评论(0) 推荐(0)
codeforces#272 C. Dreamoon and Strings 字符串 dp
摘要： codeforces#272 C. Dreamoon and Strings 字符串 dpDreamoon has a stringsand a pattern stringp. He first removes exactlyxcharacters fromsobtaining strings'a... 阅读全文
posted @ 2015-08-24 11:16 __560 阅读(451) 评论(0) 推荐(0)