計(jì)算機(jī)科學(xué)導(dǎo)論
Unit 1: How to get started: your first program
Our biggest goal tho is to learn about computer science. Computer science is about how to solve problems. ?計(jì)算機(jī)科學(xué)是關(guān)于如何解決問題的科學(xué)鸳兽。
Like building a search engine, by breaking them into smaller pieces. And then precisely and mechanically describing a sequence of steps that you can use to solve each piece. And those steps can be executed by computer.?
What the most important thing is in building an search engine?
1-3單元 Web Crawler
歧義性 Ambiguity “Natural language are inherently ambiguous.Different people can interpret..”
Grammer 巴克斯構(gòu)造
光速計(jì)算
查找子字符串
如果尋找的字符串不存在匹涮，find將會顯示”-1“
使用數(shù)字線查找
