leetcode-problemset/leetcode-cn/originData/divide-array-into-equal-pairs.json

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            "title": "Divide Array Into Equal Pairs",
            "titleSlug": "divide-array-into-equal-pairs",
            "content": "<p>You are given an integer array <code>nums</code> consisting of <code>2 * n</code> integers.</p>\n\n<p>You need to divide <code>nums</code> into <code>n</code> pairs such that:</p>\n\n<ul>\n\t<li>Each element belongs to <strong>exactly one</strong> pair.</li>\n\t<li>The elements present in a pair are <strong>equal</strong>.</li>\n</ul>\n\n<p>Return <code>true</code> <em>if nums can be divided into</em> <code>n</code> <em>pairs, otherwise return</em> <code>false</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [3,2,3,2,2,2]\n<strong>Output:</strong> true\n<strong>Explanation:</strong> \nThere are 6 elements in nums, so they should be divided into 6 / 2 = 3 pairs.\nIf nums is divided into the pairs (2, 2), (3, 3), and (2, 2), it will satisfy all the conditions.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,2,3,4]\n<strong>Output:</strong> false\n<strong>Explanation:</strong> \nThere is no way to divide nums into 4 / 2 = 2 pairs such that the pairs satisfy every condition.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>nums.length == 2 * n</code></li>\n\t<li><code>1 &lt;= n &lt;= 500</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 500</code></li>\n</ul>\n",
            "translatedTitle": "将数组划分成相等数对",
            "translatedContent": "<p>给你一个整数数组&nbsp;<code>nums</code>&nbsp;，它包含&nbsp;<code>2 * n</code>&nbsp;个整数。</p>\n\n<p>你需要将&nbsp;<code>nums</code> 划分成&nbsp;<code>n</code>&nbsp;个数对，满足：</p>\n\n<ul>\n\t<li>每个元素 <strong>只属于一个 </strong>数对。</li>\n\t<li>同一数对中的元素 <strong>相等</strong>&nbsp;。</li>\n</ul>\n\n<p>如果可以将 <code>nums</code>&nbsp;划分成 <code>n</code>&nbsp;个数对，请你返回 <code>true</code>&nbsp;，否则返回 <code>false</code>&nbsp;。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<b>输入：</b>nums = [3,2,3,2,2,2]\n<b>输出：</b>true\n<b>解释：</b>\nnums<code>&nbsp;中总共有 6 个元素，所以它们应该被划分成</code> 6 / 2 = 3 个数对。\nnums 可以划分成 (2, 2) ，(3, 3) 和 (2, 2) ，满足所有要求。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<b>输入：</b>nums = [1,2,3,4]\n<b>输出：</b>false\n<b>解释：</b>\n无法将 nums 划分成 4 / 2 = 2 个数对且满足所有要求。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>nums.length == 2 * n</code></li>\n\t<li><code>1 &lt;= n &lt;= 500</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 500</code></li>\n</ul>\n",
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