leetcode-problemset/leetcode-cn/originData/the-k-strongest-values-in-an-array.json

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            "questionId": "1581",
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            "categoryTitle": "Algorithms",
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            "title": "The k Strongest Values in an Array",
            "titleSlug": "the-k-strongest-values-in-an-array",
            "content": "<p>Given an array of integers <code>arr</code> and an integer <code>k</code>.</p>\n\n<p>A value <code>arr[i]</code> is said to be stronger than a value <code>arr[j]</code> if <code>|arr[i] - m| &gt; |arr[j] - m|</code> where <code>m</code> is the <strong>centre</strong> of the array.<br />\nIf <code>|arr[i] - m| == |arr[j] - m|</code>, then <code>arr[i]</code> is said to be stronger than <code>arr[j]</code> if <code>arr[i] &gt; arr[j]</code>.</p>\n\n<p>Return <em>a list of the strongest <code>k</code></em> values in the array. return the answer <strong>in any arbitrary order</strong>.</p>\n\n<p>The <strong>centre</strong> is the middle value in an ordered integer list. More formally, if the length of the list is n, the centre is the element in position <code>((n - 1) / 2)</code> in the sorted list <strong>(0-indexed)</strong>.</p>\n\n<ul>\n\t<li>For <code>arr = [6, -3, 7, 2, 11]</code>, <code>n = 5</code> and the centre is obtained by sorting the array <code>arr = [-3, 2, 6, 7, 11]</code> and the centre is <code>arr[m]</code> where <code>m = ((5 - 1) / 2) = 2</code>. The centre is <code>6</code>.</li>\n\t<li>For <code>arr = [-7, 22, 17,&thinsp;3]</code>, <code>n = 4</code> and the centre is obtained by sorting the array <code>arr = [-7, 3, 17, 22]</code> and the centre is <code>arr[m]</code> where <code>m = ((4 - 1) / 2) = 1</code>. The centre is <code>3</code>.</li>\n</ul>\n\n<div class=\"simple-translate-system-theme\" id=\"simple-translate\">\n<div>\n<div class=\"simple-translate-button isShow\" style=\"background-image: url(&quot;moz-extension://8a9ffb6b-7e69-4e93-aae1-436a1448eff6/icons/512.png&quot;); height: 22px; width: 22px; top: 266px; left: 381px;\">&nbsp;</div>\n\n<div class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\">\n<div class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\">\n<div class=\"simple-translate-move\" draggable=\"true\">&nbsp;</div>\n\n<div class=\"simple-translate-result-contents\">\n<p class=\"simple-translate-result\" dir=\"auto\">&nbsp;</p>\n\n<p class=\"simple-translate-candidate\" dir=\"auto\">&nbsp;</p>\n</div>\n</div>\n</div>\n</div>\n</div>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,2,3,4,5], k = 2\n<strong>Output:</strong> [5,1]\n<strong>Explanation:</strong> Centre is 3, the elements of the array sorted by the strongest are [5,1,4,2,3]. The strongest 2 elements are [5, 1]. [1, 5] is also <strong>accepted</strong> answer.\nPlease note that although |5 - 3| == |1 - 3| but 5 is stronger than 1 because 5 &gt; 1.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,1,3,5,5], k = 2\n<strong>Output:</strong> [5,5]\n<strong>Explanation:</strong> Centre is 3, the elements of the array sorted by the strongest are [5,5,1,1,3]. The strongest 2 elements are [5, 5].\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [6,7,11,7,6,8], k = 5\n<strong>Output:</strong> [11,8,6,6,7]\n<strong>Explanation:</strong> Centre is 7, the elements of the array sorted by the strongest are [11,8,6,6,7,7].\nAny permutation of [11,8,6,6,7] is <strong>accepted</strong>.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= arr.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>-10<sup>5</sup> &lt;= arr[i] &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= k &lt;= arr.length</code></li>\n</ul>\n",
            "translatedTitle": "数组中的 k 个最强值",
            "translatedContent": "<p>给你一个整数数组 <code>arr</code> 和一个整数 <code>k</code> 。</p>\n\n<p>设 <code>m</code> 为数组的中位数，只要满足下述两个前提之一，就可以判定 <code>arr[i]</code> 的值比 <code>arr[j]</code> 的值更强：</p>\n\n<ul>\n\t<li>&nbsp;<code>|arr[i] - m| &gt; |arr[j]&nbsp;- m|</code></li>\n\t<li>&nbsp;<code>|arr[i] - m| == |arr[j] - m|</code>，且 <code>arr[i] &gt; arr[j]</code></li>\n</ul>\n\n<p>请返回由数组中最强的 <code>k</code> 个值组成的列表。答案可以以 <strong>任意顺序</strong> 返回。</p>\n\n<p><strong>中位数</strong> 是一个有序整数列表中处于中间位置的值。形式上，如果列表的长度为 <code>n</code> ，那么中位数就是该有序列表（下标从 0 开始）中位于 <code>((n - 1) / 2)</code> 的元素。</p>\n\n<ul>\n\t<li>例如 <code>arr =&nbsp;[6, -3, 7, 2, 11]</code>，<code>n = 5</code>：数组排序后得到 <code>arr = [-3, 2, 6, 7, 11]</code> ，数组的中间位置为 <code>m = ((5 - 1) / 2) = 2</code> ，中位数 <code>arr[m]</code> 的值为 <code>6</code> 。</li>\n\t<li>例如 <code>arr =&nbsp;[-7, 22, 17, 3]</code>，<code>n = 4</code>：数组排序后得到&nbsp;<code>arr = [-7, 3, 17, 22]</code> ，数组的中间位置为&nbsp;<code>m = ((4 - 1) / 2) = 1</code> ，中位数 <code>arr[m]</code> 的值为 <code>3</code> 。</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [1,2,3,4,5], k = 2\n<strong>输出：</strong>[5,1]\n<strong>解释：</strong>中位数为 3，按从强到弱顺序排序后，数组变为 [5,1,4,2,3]。最强的两个元素是 [5, 1]。[1, 5] 也是正确答案。\n注意，尽管 |5 - 3| == |1 - 3| ，但是 5 比 1 更强，因为 5 &gt; 1 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [1,1,3,5,5], k = 2\n<strong>输出：</strong>[5,5]\n<strong>解释：</strong>中位数为 3, 按从强到弱顺序排序后，数组变为 [5,5,1,1,3]。最强的两个元素是 [5, 5]。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [6,7,11,7,6,8], k = 5\n<strong>输出：</strong>[11,8,6,6,7]\n<strong>解释：</strong>中位数为 7, 按从强到弱顺序排序后，数组变为 [11,8,6,6,7,7]。\n[11,8,6,6,7] 的任何排列都是正确答案。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= arr.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>-10<sup>5</sup> &lt;= arr[i] &lt;= 10<sup>5</sup></code></li>\n\t<li><code>1 &lt;= k &lt;= arr.length</code></li>\n</ul>\n",
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