根据菜单选择进行文本文档内字母由小到大排序的c program。其中包含1.Insertion Sort. 2.Selection Sort. 3.Merge Sort. 4.Heap Sort. 5.Quick Sort.5种排序功能。-According to the menu to select letters from small to big c program to sort a text document. Which contains 1.Insertion the Sort. 2.Selection the Sort 3.Merge the Sort 4.Heap the Sort. 5.Quick Sort.5 sort function.