Hash函数实例，所用文章为5000单词以内，所以初始为求出所取单词的hash值,然后对1901求余,所得的余数作为一个数组的下标,数组的每一个数又是一个链表,凡余数相同的单词放入同一链表.此为所构造的hash函数.-Hash function examples used in the article for the 5000 words or less, so the initial word is derived by taking the hash value, and then seek