mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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180 lines
18 KiB
JSON
180 lines
18 KiB
JSON
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"questionId": "3593",
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"title": "Find the Maximum Factor Score of Array",
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"content": "<p>You are given an integer array <code>nums</code>.</p>\n\n<p>The <strong>factor score</strong> of an array is defined as the <em>product</em> of the LCM and GCD of all elements of that array.</p>\n\n<p>Return the <strong>maximum factor score</strong> of <code>nums</code> after removing <strong>at most</strong> one element from it.</p>\n\n<p><strong>Note</strong> that <em>both</em> the <span data-keyword=\"lcm-function\">LCM</span> and <span data-keyword=\"gcd-function\">GCD</span> of a single number are the number itself, and the <em>factor score</em> of an <strong>empty</strong> array is 0.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">nums = [2,4,8,16]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">64</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>On removing 2, the GCD of the rest of the elements is 4 while the LCM is 16, which gives a maximum factor score of <code>4 * 16 = 64</code>.</p>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">nums = [1,2,3,4,5]</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">60</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The maximum factor score of 60 can be obtained without removing any elements.</p>\n</div>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">nums = [3]</span></p>\n\n<p><strong>Output:</strong> 9</p>\n</div>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 100</code></li>\n\t<li><code>1 <= nums[i] <= 30</code></li>\n</ul>\n",
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"exampleTestcases": "[2,4,8,16]\n[1,2,3,4,5]\n[3]",
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"categoryTitle": "Algorithms",
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"Use brute force approach with two loops.",
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"Optimize using prefix and suffix arrays."
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