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@@ -12,7 +12,7 @@
"translatedContent": "<p>有一个无向的 <strong>星型</strong> 图,由 <code>n</code> 个编号从 <code>1</code> 到 <code>n</code> 的节点组成。星型图有一个 <strong>中心</strong> 节点,并且恰有 <code>n - 1</code> 条边将中心节点与其他每个节点连接起来。</p>\n\n<p>给你一个二维整数数组 <code>edges</code> ,其中 <code>edges[i] = [u<sub>i</sub>, v<sub>i</sub>]</code> 表示在节点 <code>u<sub>i</sub></code> 和 <code>v<sub>i</sub></code> 之间存在一条边。请你找出并返回 <code>edges</code> 所表示星型图的中心节点。</p>\n\n<p> </p>\n\n<p><strong>示例 1</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2021/03/14/star_graph.png\" style=\"width: 331px; height: 321px;\" />\n<pre>\n<strong>输入:</strong>edges = [[1,2],[2,3],[4,2]]\n<strong>输出:</strong>2\n<strong>解释:</strong>如上图所示,节点 2 与其他每个节点都相连,所以节点 2 是中心节点。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入:</strong>edges = [[1,2],[5,1],[1,3],[1,4]]\n<strong>输出:</strong>1\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>3 <= n <= 10<sup>5</sup></code></li>\n\t<li><code>edges.length == n - 1</code></li>\n\t<li><code>edges[i].length == 2</code></li>\n\t<li><code>1 <= u<sub>i,</sub> v<sub>i</sub> <= n</code></li>\n\t<li><code>u<sub>i</sub> != v<sub>i</sub></code></li>\n\t<li>题目数据给出的 <code>edges</code> 表示一个有效的星型图</li>\n</ul>\n",
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"difficulty": "Easy",
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@@ -137,7 +137,7 @@
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"hints": [
"The center is the only node that has more than one edge.",
"The center is also connected to all other nodes.",