《Cracking the Coding Interview》——第17章：普通题——题目9

2014-04-28 23:52

题目：设计算法，找出一本书中某个单词的出现频率。

解法：数就行了。

代码：

 1 // 17.9 Given a book, find out the occurrences of any given words in it.

 2 // Answer:

 3 //    1. process the book as a text file.

 4 //    2. find all words, definition of a word must be clearly asserted.

 5 //    3. use map or hash table to record the occurrences of words.

 6 //    4. query the statistics for an answer.

 7 int main()

 8 {

 9     return 0;

10 }