找出输入txt文件中出现的不同词汇，统计各词数目并按数目排序。使用hash表提高新词插入词表速度。-Txt file to find enter appear in a different vocabulary, the number of statistics in accordance with the number of words to sort. Use hash table to insert new words to improve the speed of the word ta

用C++实现各种排序算法：如冒泡排序,选择排序,插入排序,希尔排序,快速排序,归并排序,基数排序和堆排序,并带有源代码说明()