carloscn / carloscn/structstudy

leetcode643:子数组最大平均数 I(maximum-average-subarray-i)

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Description

### 问题分析

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 2:

输入:nums = [5], k = 1
输出:5.00000
 

提示:

n == nums.length
1 <= k <= n <= 105
-104 <= nums[i] <= 104

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/maximum-average-subarray-i

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