从多列有序数据中找出总排名靠前的数据,适用于学生成绩管理中，每科成绩按顺序排好，找出总成绩最高的学生，使用了堆排算法，速度更快。-Ordered the data from multiple columns to find out the overall top-ranking data for student performance management, performance for each subject according to the order of line up to ide

常见排序算法的实现性能比较，包括快排，归并、选择、插入、冒泡和堆排序-The realization of the common sorting algorithm performance, including fast row, merge, select, insert, bubbling and heap sort

快排，这个是我认为写得最好的快排代码了。快速排序可以在log2(n)的时间内对数组元素进行排序。-Fast row, this is my opinion, the best written fast row code. Quicksort log2 (n) time to sort the array elements.

快排递归算法的实现，测试数据从10000到100000000，并通过计时函数计算不同规模的数据递归快速排序所用的时间-Row fast recursive algorithm, test data 10 thousand to 100 million, and calculate the different sizes of data recursive quicksort time used by the timing function