Interview Sort Function

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Interview Sort Function

QuickSort Java Code: import java.util.*; public class quickSort{ public static void main(String [] args){ int [] arr = new int[]{4,2,7,5,0,9,1}; int low = 0; int high = arr.length-1; quickSort(arr, low, high); System.out.println(Arrays.toString(arr))…

.sort(function(a,b){return a-b});

var points = [40,100,1,5,25,10]; var b= points.sort(function(a,b){return a-b}); console.log(b); 那个function的作用就是比较两个数的大小用的,然后返回结果的正负作为排序的依据. 这个函数是升序排序,如果想逆序排序改成return b-a;就行了.它的排序原理是每2个数比较,然后根据正负更改数组内元素的位置.比如第一次比较,a就是888,b就是2222然后返回888-2222 是负的位置不变.你…

[Javascript] Use a custom sort function on an Array in Javascript

Sorting in Javascript with sort uses lexical sorting by default, which means it will sort in alphabetical order. That's fine for strings of characters, but it means that arrays of numbers don't sort in numerical order! To fix that, we'll pass a custo…

c++ class as sort function

// constructing sets #include <iostream> #include <set> #include <string.h> bool fncomp (int lhs, int rhs) {return lhs<rhs;} struct classcomp { bool operator() (const int& lhs, const int& rhs) const {return lhs<rhs;} }; int…

Sort Colors

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

[LeetCode] Sort Colors 颜色排序

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…

Leetcode 75. Sort Colors

Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we will use the integers 0, 1, and 2 to represent the color red, white, and bl…