题目链接:http://codeforces.com/problemset/problem/331/C1 这是第一次参加codeforces比赛(ABBYY Cup 3.0 - Finals (online version))成功AC的题目(n ≤ 106),解题的突破口是:Take the magic number, subtract a digit from it (the digit must occur in the number) and get a new magic number.…
1. 值编号 我们知道C1内部使用的是一种图结构的HIR,它由基本块构成一个图,然后每个基本块里面是SSA形式的指令,关于这点如可以参考[Inside HotSpot] C1编译器工作流程及中间表示.值编号(Value numbering)是指为每个计算得到的值分配一个独一无二的编号,然后遍历指令寻找可优化的机会.比如下面的代码: a = 1;b=4; c = a+b; d = a+b; e = b; 编译器可以在计算a的时候为它指定一个hash值(0x12a3e)然后放入hash表:b同理指定…
1 错误详细信息 WARN conf.FlumeConfiguration: Could not configure sink k1 due to: Channel c1 not in active set. org.apache.flume.conf.ConfigurationException: Channel c1 not in active set. at org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.valida…
TPO-21 C1 Find a building for orientation 第 1 段 1.Listen to a conversation between a student and a professor. 听一段学生和教授的对话 第 2 段 1.Excuse me, can I help you? 打扰一下,请问有什么能帮助你的吗? 第 3 段 1.You look a little lost. Yeah, I am. This is my first day on campus,…
TPO-19 C1 Discussing A Point Raised In A Lecture 第 1 段 1.Listen to a conversation between a student and the professor. 听下面一段学生和老师间的对话 第 2 段 1.Hi, professor Handerson. That was a really interesting lecture in class today. 你好,汉德森教授!今天你的课真的是太精彩了! 第 3 段…
TPO-18 C1 Apply for a part-time job on campus 第 1 段 1.Listen to a conversation between a student and an administrator in the university employment office. 听一段学校雇员室中学生和管理人员间的对话. 第 2 段 1.Hi! I hope you can help me, I just transferred from Northeastern…
TPO-17 C1 Find materials for an opera paper production n. 成果:产品:生产:作品 第 1 段 1.Listen to a conversation between a student and a professor. 听一个学生和教授之间的对话. 第 2 段 1.OK, let's see, right. Modern stagings of a Shakespearian classic. 好,让我们来看看.没错,一个莎士比亚经典的现代…
TPO-16 C1 Reserve the room for a rehearsal 第 1 段 1.Listen to a conversation between a Student and a facilities Manager at the university. 听一段学生和设施管理员的对话. 第 2 段 1.Hi. I'm Melanie, the one who's been calling. 你好!我是梅兰尼,刚才我已经电话联系过了. 第 3 段 1.From the sing…
TPO-15 C1 The campus newspaper's reporter position 第 1 段 1.Listen to a conversation between a Student and the faculty Advisor of the campus newspaper. 听一段学生和校园报社指导教师的对话 第 2 段 1.Hi! I talked to someone on the phone a couple of weeks ago, Anna, I think…