来自专栏 · Leetcode HOT 100 九大经典排序算法 ①归并排序 归并排序(MERGE-SORT)是建立在归并操作上的一种有效的排序算法,该算法是采用分治法(Divide and Conquer)的一个非常典型的应用。将已有序的子序列合并,得到完全有序的序列;即先使每个子序列有序,再使子序列段间有序。若将两个有序表合并成一个有序...
merge(left_half, right_half) def merge(self, left, right): # 初始化一个空的已排序数组 sorted_array = [] # 初始化左右两部分的指针 i = j = 0 # 遍历两个数组,每次循环将较小的元素添加到已排序数组中 while i < len(left) and j < len(right): if left[i] < right[j]: sorted_arra...
Can you solve this real interview question? GCD Sort of an Array - You are given an integer array nums, and you can perform the following operation any number of times on nums: * Swap the positions of two elements nums[i] and nums[j] if gcd(nums[i], nu
Can you solve this real interview question? Sort Array by Increasing Frequency - Given an array of integers nums, sort the array in increasing order based on the frequency of the values. If multiple values have the same frequency, sort them in decreasing
Sort Transformed Array -- LeetCode Given a sorted array of integersnumsand integer valuesa,bandc. Apply a function of the form f(x) =ax2 +bx+cto each elementxin the array. The returned array must be in sorted order. Expected time complexity: O(n)...
题目地址:https://leetcode.com/problems/sort-an-array/ 题目描述 Given an array of integers nums, sort the array in ascending order. Example 1: Input: [5,2,3,1]Output: [1,2,3,5] Example 2: Input: [5,1,1,2,0,0]Output: [0,0,1,1,2,5] ...
Leetcode: Sort Colors 题目: 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 ...
Given an array of integers nums, sort the array in ascending order. Example 1: Input: [5,2,3,1] Output: [1,2,3,5] 1. 2. Example 2: Input: [5,1,1,2,0,0] Output: [0,0,1,1,2,5] 1. 2. Note: 1 <= A.length <= 10000 ...
class Solution { public int[] relativeSortArray(int[] arr1, int[] arr2) { HashMap<Integer, Integer> map = new HashMap<>(); for (int arr: arr1) { map.put(arr, map.getOrDefault(arr, 0) + 1); } int[] result = new int[arr1.length]; int ind = 0; for (int i = 0; ...
【leetcode】1122. 数组的相对排序(relative-sort-array)(模拟)[简单] 链接https://leetcode-cn.com/problems/relative-sort-array/ 耗时 解题:12 min 题解:12 min 题意 给你两个数组,arr1 和 arr2, arr2 中的元素各不相同 arr2 中的每个元素都出现在 arr1 中对 arr1 中的元素进行排序,使 arr1 ...