{ "data": { "question": { "questionId": "3593", "questionFrontendId": "3334", "categoryTitle": "Algorithms", "boundTopicId": 2965620, "title": "Find the Maximum Factor Score of Array", "titleSlug": "find-the-maximum-factor-score-of-array", "content": "
You are given an integer array nums
.
The factor score of an array is defined as the product of the LCM and GCD of all elements of that array.
\n\nReturn the maximum factor score of nums
after removing at most one element from it.
Note that both the LCM and GCD of a single number are the number itself, and the factor score of an empty array is 0.
\n\n\n
Example 1:
\n\nInput: nums = [2,4,8,16]
\n\nOutput: 64
\n\nExplanation:
\n\nOn removing 2, the GCD of the rest of the elements is 4 while the LCM is 16, which gives a maximum factor score of 4 * 16 = 64
.
Example 2:
\n\nInput: nums = [1,2,3,4,5]
\n\nOutput: 60
\n\nExplanation:
\n\nThe maximum factor score of 60 can be obtained without removing any elements.
\nExample 3:
\n\nInput: nums = [3]
\n\nOutput: 9
\n\n
Constraints:
\n\n1 <= nums.length <= 100
1 <= nums[i] <= 30
给你一个整数数组 nums
。
因子得分 定义为数组所有元素的最小公倍数(LCM)与最大公约数(GCD)的 乘积。
\n\n在 最多 移除一个元素的情况下,返回 nums
的 最大因子得分。
注意,单个数字的 LCM 和 GCD 都是其本身,而 空数组 的因子得分为 0。
\n\n\n\n
示例 1:
\n\n输入: nums = [2,4,8,16]
\n\n输出: 64
\n\n解释:
\n\n移除数字 2 后,剩余元素的 GCD 为 4,LCM 为 16,因此最大因子得分为 4 * 16 = 64
。
示例 2:
\n\n输入: nums = [1,2,3,4,5]
\n\n输出: 60
\n\n解释:
\n\n无需移除任何元素即可获得最大因子得分 60。
\n示例 3:
\n\n输入: nums = [3]
\n\n输出: 9
\n\n\n
提示:
\n\n1 <= nums.length <= 100
1 <= nums[i] <= 30
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