leetcode-problemset/leetcode-cn/originData/maximum-size-of-a-set-after-removals.json

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            "title": "Maximum Size of a Set After Removals",
            "titleSlug": "maximum-size-of-a-set-after-removals",
            "content": "<p>You are given two <strong>0-indexed</strong> integer arrays <code>nums1</code> and <code>nums2</code> of even length <code>n</code>.</p>\n\n<p>You must remove <code>n / 2</code> elements from <code>nums1</code> and <code>n / 2</code> elements from <code>nums2</code>. After the removals, you insert the remaining elements of <code>nums1</code> and <code>nums2</code> into a set <code>s</code>.</p>\n\n<p>Return <em>the <strong>maximum</strong> possible size of the set</em> <code>s</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums1 = [1,2,1,2], nums2 = [1,1,1,1]\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> We remove two occurences of 1 from nums1 and nums2. After the removals, the arrays become equal to nums1 = [2,2] and nums2 = [1,1]. Therefore, s = {1,2}.\nIt can be shown that 2 is the maximum possible size of the set s after the removals.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums1 = [1,2,3,4,5,6], nums2 = [2,3,2,3,2,3]\n<strong>Output:</strong> 5\n<strong>Explanation:</strong> We remove 2, 3, and 6 from nums1, as well as 2 and two occurrences of 3 from nums2. After the removals, the arrays become equal to nums1 = [1,4,5] and nums2 = [2,3,2]. Therefore, s = {1,2,3,4,5}.\nIt can be shown that 5 is the maximum possible size of the set s after the removals.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums1 = [1,1,2,2,3,3], nums2 = [4,4,5,5,6,6]\n<strong>Output:</strong> 6\n<strong>Explanation:</strong> We remove 1, 2, and 3 from nums1, as well as 4, 5, and 6 from nums2. After the removals, the arrays become equal to nums1 = [1,2,3] and nums2 = [4,5,6]. Therefore, s = {1,2,3,4,5,6}.\nIt can be shown that 6 is the maximum possible size of the set s after the removals.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == nums1.length == nums2.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 2 * 10<sup>4</sup></code></li>\n\t<li><code>n</code> is even.</li>\n\t<li><code>1 &lt;= nums1[i], nums2[i] &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
            "translatedTitle": "移除后集合的最多元素数",
            "translatedContent": "<p>给你两个下标从 <code>0</code> 开始的整数数组 <code>nums1</code> 和 <code>nums2</code> ，它们的长度都是偶数<code> n</code> 。</p>\n\n<p>你必须从 <code>nums1</code> 中移除 <code>n / 2</code> 个元素，同时从 <code>nums2</code> 中也移除 <code>n / 2</code> 个元素。移除之后，你将 <code>nums1</code> 和 <code>nums2</code> 中剩下的元素插入到集合 <code>s</code> 中。</p>\n\n<p>返回集合 <code>s</code>可能的<strong> 最多 </strong>包含多少元素。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums1 = [1,2,1,2], nums2 = [1,1,1,1]\n<strong>输出：</strong>2\n<strong>解释：</strong>从 nums1 和 nums2 中移除两个 1 。移除后，数组变为 nums1 = [2,2] 和 nums2 = [1,1] 。因此，s = {1,2} 。\n可以证明，在移除之后，集合 s 最多可以包含 2 个元素。\n</pre>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums1 = [1,2,3,4,5,6], nums2 = [2,3,2,3,2,3]\n<strong>输出：</strong>5\n<strong>解释：</strong>从 nums1 中移除 2、3 和 6 ，同时从 nums2 中移除两个 3 和一个 2 。移除后，数组变为 nums1 = [1,4,5] 和 nums2 = [2,3,2] 。因此，s = {1,2,3,4,5} 。\n可以证明，在移除之后，集合 s 最多可以包含 5 个元素。 \n</pre>\n\n<p><strong class=\"example\">示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums1 = [1,1,2,2,3,3], nums2 = [4,4,5,5,6,6]\n<strong>输出：</strong>6\n<strong>解释：</strong>从 nums1 中移除 1、2 和 3 ，同时从 nums2 中移除 4、5 和 6 。移除后，数组变为 nums1 = [1,2,3] 和 nums2 = [4,5,6] 。因此，s = {1,2,3,4,5,6} 。\n可以证明，在移除之后，集合 s 最多可以包含 6 个元素。 </pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>n == nums1.length == nums2.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 2 * 10<sup>4</sup></code></li>\n\t<li><code>n</code>是偶数。</li>\n\t<li><code>1 &lt;= nums1[i], nums2[i] &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
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