集成在C语言库函数里面的的qsort函数,使用三路划分的方法解决这个问题。所谓三路划分,是指把数组划分成小于划分值,等于划分值和大于划分值的三个部分。 下面我们开始分析源代码,在源代码中的解释以注释的形式出现: /*** *qsort.c - quicksort algorithm; qsort() library function for sorting arrays * * Copyr...
*qsort.c - quicksort algorithm; qsort() library function for sorting arrays * Copyright (c) Microsoft Corporation. All rights reserved. * *Purpose: * To implement the qsort() routine for sorting arrays. * *** **/ #include <cruntime.h> #include <stdlib.h> #include <searchh> ...
or (at your option) any later version.The GNU C Library is distributed in the hope that it w...
) {char*p, *max;/*Note: in assertions below, i and j are alway inside original bound of array to sort.*/while(hi >lo) { max=lo;/*下面这个for循环作用是从lo到hi的元素中,选出最大的一个,max指针指向这个最大项*/for(p = lo+width; p <= hi; p +=width) {if(comp(p, max) >0...