随笔分类 -  PKU

摘要:Alice and Bob need to send secret messages to each other and are discussing ways to encode their messages: Alice: “Let’s just use a very simple code: 阅读全文
posted @ 2017-02-27 21:42 duskcloudxu 阅读(367) 评论(0) 推荐(0)
摘要:You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number 阅读全文
posted @ 2017-02-24 22:05 duskcloudxu 阅读(202) 评论(0) 推荐(0)