Given an array consisting of n integers, find the contiguous subarray whose length is greater than or equal to k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output:…

Given an array with positive and negative numbers, find the maximum average subarray which length should be greater or equal to given length k. Example Given nums = [1, 12, -5, -6, 50, 3], k = 3 Return 15.667 // (-6 + 50 + 3) / 3 = 15.667 利用队列建立窗口 pu…

Given an array consisting of n integers, find the contiguous subarray whose length is greater than or equal to k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output:…

leetcode644. Maximum Average Subarray II 题意: 给定由n个整数组成的数组,找到长度大于或等于k的连续子阵列,其具有最大平均值.您需要输出最大平均值. 思路: 先计算前k个的avg和sum,然后每次往后加一个数,每次加一个数的同时用一个tempsum( = sum)依次减少前置的数,以此来模拟区间向后移动的计算.与直接的暴力相比,少了向后加又前减的一些步骤,减少了许多重复计算,但是这应该不是最优的算法,更快的算法暂时还没想到. ac代码: C++ clas…

［抄题］: Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation:…

Given an array consisting of n integers, find the contiguous subarray whose length is greater than or equal to k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output:…

643. 子数组最大平均数 I 643. Maximum Average Subarray I 题目描述 给定 n 个整数,找出平均数最大且长度为 k 的连续子数组,并输出该最大平均数. LeetCode643. Maximum Average Subarray I 示例 1: 输入: [1,12,-5,-6,50,3], k = 4 输出: 12.75 解释: 最大平均数 (12-5-6+50)/4 = 51/4 = 12.75 注意: 1 <= k <= n <= 30,000. 所…

Description Given an array with positive and negative numbers, find the maximum average subarray which length should be greater or equal to given length k. It's guaranteed that the size of the array is greater or equal to k. Example Example 1: Input:…

problem 643. Maximum Average Subarray I 题意:一定长度的子数组的最大平均值. solution1:计算子数组之后的常用方法是建立累加数组,然后再计算任意一定长度的子数组之和,迭代更新得到最大值. 注意:1)累加数组:2)数值类型: class Solution { public: double findMaxAverage(vector<int>& nums, int k) { vector<); //vector<int> s…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

Given an array consisting of \(n\) integers, find the contiguous subarray of given length \(k\) that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output: 12.75 Explanation: Maximu…

原题链接在这里:https://leetcode.com/problems/maximum-average-subarray-i/description/ 题目: Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average v…

①英文题目 Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4Output: 12.75Explanation: Ma…

Given an array consisting of n integers, find the contiguous subarray whose length is greater than or equal to k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output:…

问题 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/archives/3728 访问. 给定 n 个整数,找出平均数最大且长度为 k 的连续子数组,并输出该最大平均数. 输入: [1,12,-5,-6,50,3], k = 4 输出: 12.75 解释: 最大平均数 (12-5-6+50)/4 = 51/4 = 12.75 注意: 1 <= k <= n <= 30,000. 所给数据范围 [-10,000,10,000].…

作者: 负雪明烛 id: fuxuemingzhu 公众号:每日算法题 目录 题目描述 题目大意 解题方法 方法一:preSum 方法二:滑动窗口 刷题心得 日期 题目地址:https://leetcode.com/problems/maximum-average-subarray-i/description/ 题目描述 Given an array consisting of n integers, find the contiguous subarray of given length k…

这是悦乐书的第278次更新,第294篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第146题(顺位题号是643).给定由n个整数组成的数组,找到具有最大平均值的长度为k的连续子数组,并输出最大平均值.例如: 输入:[1,12,-5,-6,50,3],k = 4 输出:12.75 说明:最大平均值为(12-5-6 + 50)/ 4 = 51/4 = 12.75 注意: 1 <= k <= n <= 30,000. 给定数组的元素将在[-10,000,10,00…

https://leetcode.com/problems/maximum-average-subarray-i/#/description 求指定长度为 k 的子数组的最大均值,基本思路是用长度为k 的滑动窗口扫一遍原数组,然后记录最大子数组的MaxSum,最后返回MaxSum/k 可以优化的部分是滑动窗口内部求sum 的过程.思路是事先求出一个cache 数组,数组里每一项是原数组对应位置的累加和.有了cache 以后滑动窗口在每次滑动过程中,窗口内部的累加就不用重复计算了,可以用窗口末尾和…

static int wing=[]() { std::ios::sync_with_stdio(false); cin.tie(NULL); ; }(); class Solution { public: double findMaxAverage(vector<int>& nums, int k) { int sz=nums.size(); double maxsum=0.0; double cursum=0.0; ;i<k;i++) cursum+=nums[i]; max…

给定 n 个整数,找出平均数最大且长度为 k 的连续子数组,并输出该最大平均数. 示例 1: 输入: [1,12,-5,-6,50,3], k = 4 输出: 12.75 解释: 最大平均数 (12-5-6+50)/4 = 51/4 = 12.75 注意: 1 <= k <= n <= 30,000. 所给数据范围 [-10,000,10,000]. class Solution { public: double findMaxAverage(vector<int>&…

一.题目大意 https://leetcode.cn/problems/maximum-average-subarray-i/ 给你一个由 n 个元素组成的整数数组 nums 和一个整数 k . 请你找出平均数最大且 长度为 k 的连续子数组,并输出该最大平均数. 任何误差小于10^(-5)的答案都将被视为正确答案. 示例 1: 输入:nums = [1,12,-5,-6,50,3], k = 4 输出:12.75 解释:最大平均数 (12-5-6+50)/4 = 51/4 = 12.75 示例…

Given an array consisting of n integers, find the contiguous subarray whose length is greater than or equal to k that has the maximum average value. And you need to output the maximum average value. Example 1: Input: [1,12,-5,-6,50,3], k = 4 Output:…

题目链接:Maximum Product Subarray solutions同步在github 题目很简单,给一个数组,求一个连续的子数组,使得数组元素之积最大.这是求连续最大子序列和的加强版,我们可以先看看求连续最大子序列和的题目maximum-subarray,这题不难,我们举个例子. 假设数组[1, 2, -4, 5, -1, 10],前两个相加后得到3,更新最大值(为3),然后再加上-4后,和变成-1了,这时我们发现如果-1去加上5,不如舍弃前面相加的sum,5单独重新开始继续往后相加…

Subarray Sum Given an integer array, find a subarray where the sum of numbers is zero. Your code should return the index of the first number and the index of the last number. Notice There is at least one subarray that it's sum equals to zero. Example…

Maximum Product Subarray Title: Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4],the contiguous subarray [2,3] has the largest product = 6. 对于Product…