摘要：
10.5 If you were designing a web crawler, how would you avoid getting into infinite loops?这道题问如果让我们设计一个网络爬虫，怎么样才能避免进入无限循环。那么何谓无限循环呢，如果我们将网络看做一个图Graph，... 阅读全文
摘要：
10.4 You have an array with all the numbers from 1 to N, where N is at most 32,000. The array may have duplicate entries and you do not know what N is... 阅读全文
