carloscn / carloscn/structstudy

leetcode1464:数组中两元素的最大乘积(maximum-product-of-two-elements-in-an-array)

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Lang-rust Level-easy 一般问题 数组 查找
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Description

### 问题描述

给你一个整数数组 nums,请你选择数组的两个不同下标 i 和 j,使 (nums[i]-1)*(nums[j]-1) 取得最大值。

请你计算并返回该式的最大值。

 
示例 1:

输入:nums = [3,4,5,2]
输出:12
解释:如果选择下标 i=1 和 j=2(下标从 0 开始),则可以获得最大值,(nums[1]-1)*(nums[2]-1) = (4-1)*(5-1) = 3*4 = 12 。

示例 2:

输入:nums = [1,5,4,5]
输出:16
解释:选择下标 i=1 和 j=3(下标从 0 开始),则可以获得最大值 (5-1)*(5-1) = 16 。

示例 3:

输入:nums = [3,7]
输出:12
 

提示:

2 <= nums.length <= 500
1 <= nums[i] <= 10^3

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/maximum-product-of-two-elements-in-an-array

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