f81892461的专栏

设计算法，找出一本书中任一给定的词汇的频率。 Design a method to find the frequency of occurrences of any given word in a book.  对于只找出一个单词的频率和找出多个单词的频率解法不同。 SOLUTION The first question – which you should ask your i

假设服务器每次用一个单词pinging我，将这些单词存储在队列中。现在队列中的数据非常庞大，我们只能处理数据一次。给定5个单词，为他们在队列中找出变位词。 suppose i m sitting on a server and several machines are pinging me with a word each and we are storing these words in