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C++快速排序基准插入函数的两种方法

PolarDay. 发布时间：2021-09-14 18:39:21 ，浏览量：5

C++快速排序基准插入函数的两种方法

今天做题的时候刷到一种新的快排的实现方法，主要是基准插入函数的不同，这种方法相比于常规方法时间复杂度较高，但是比较容易理解，在这里记录一下。

第一种（最常见的双指针遍历）

int partition(vector&arr, int i, int j) {
    int key = arr[i];
    while (i


    
        
            
                
                
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