leetcode-problemset/leetcode-cn/originData/sum-of-unique-elements.json

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            "title": "Sum of Unique Elements",
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            "content": "<p>You are given an integer array <code>nums</code>. The unique elements of an array are the elements that appear <strong>exactly once</strong> in the array.</p>\n\n<p>Return <em>the <strong>sum</strong> of all the unique elements of </em><code>nums</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,2,3,2]\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> The unique elements are [1,3], and the sum is 4.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,1,1,1,1]\n<strong>Output:</strong> 0\n<strong>Explanation:</strong> There are no unique elements, and the sum is 0.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,2,3,4,5]\n<strong>Output:</strong> 15\n<strong>Explanation:</strong> The unique elements are [1,2,3,4,5], and the sum is 15.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 100</code></li>\n</ul>\n",
            "translatedTitle": "唯一元素的和",
            "translatedContent": "<p>给你一个整数数组 <code>nums</code> 。数组中唯一元素是那些只出现 <strong>恰好一次</strong> 的元素。</p>\n\n<p>请你返回 <code>nums</code> 中唯一元素的 <strong>和</strong> 。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><b>输入：</b>nums = [1,2,3,2]\n<b>输出：</b>4\n<b>解释：</b>唯一元素为 [1,3] ，和为 4 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><b>输入：</b>nums = [1,1,1,1,1]\n<b>输出：</b>0\n<b>解释：</b>没有唯一元素，和为 0 。\n</pre>\n\n<p><strong>示例 3 ：</strong></p>\n\n<pre><b>输入：</b>nums = [1,2,3,4,5]\n<b>输出：</b>15\n<b>解释：</b>唯一元素为 [1,2,3,4,5] ，和为 15 。\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 100</code></li>\n</ul>\n",
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