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@@ -2,7 +2,8 @@
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<p>图中的每个节点都包含它的值 <code>val</code>(<code>int</code>) 和其邻居的列表(<code>list[Node]</code>)。</p>
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<pre>class Node {
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<pre>
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class Node {
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public int val;
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public List<Node> neighbors;
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}</pre>
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@@ -21,9 +22,10 @@
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<p><strong>示例 1:</strong></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/02/01/133_clone_graph_question.png" style="height: 500px; width: 500px;"></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/02/01/133_clone_graph_question.png" style="height: 500px; width: 500px;" /></p>
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<pre><strong>输入:</strong>adjList = [[2,4],[1,3],[2,4],[1,3]]
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<pre>
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<strong>输入:</strong>adjList = [[2,4],[1,3],[2,4],[1,3]]
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<strong>输出:</strong>[[2,4],[1,3],[2,4],[1,3]]
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<strong>解释:
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</strong>图中有 4 个节点。
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@@ -35,35 +37,30 @@
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<p><strong>示例 2:</strong></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/02/01/graph.png" style="height: 148px; width: 163px;"></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/02/01/graph.png" style="height: 148px; width: 163px;" /></p>
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<pre><strong>输入:</strong>adjList = [[]]
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<pre>
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<strong>输入:</strong>adjList = [[]]
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<strong>输出:</strong>[[]]
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<strong>解释:</strong>输入包含一个空列表。该图仅仅只有一个值为 1 的节点,它没有任何邻居。
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</pre>
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<p><strong>示例 3:</strong></p>
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<pre><strong>输入:</strong>adjList = []
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<pre>
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<strong>输入:</strong>adjList = []
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<strong>输出:</strong>[]
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<strong>解释:</strong>这个图是空的,它不含任何节点。
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</pre>
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<p><strong>示例 4:</strong></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/02/01/graph-1.png" style="height: 133px; width: 272px;"></p>
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<pre><strong>输入:</strong>adjList = [[2],[1]]
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<strong>输出:</strong>[[2],[1]]</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ol>
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<li>节点数不超过 100 。</li>
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<li>每个节点值 <code>Node.val</code> 都是唯一的,<code>1 <= Node.val <= 100</code>。</li>
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<li>无向图是一个<a href="https://baike.baidu.com/item/简单图/1680528?fr=aladdin" target="_blank">简单图</a>,这意味着图中没有重复的边,也没有自环。</li>
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<li>由于图是无向的,如果节点 <em>p</em> 是节点 <em>q</em> 的邻居,那么节点 <em>q</em> 也必须是节点 <em>p</em> 的邻居。</li>
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<ul>
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<li>这张图中的节点数在 <code>[0, 100]</code> 之间。</li>
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<li><code>1 <= Node.val <= 100</code></li>
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<li>每个节点值 <code>Node.val</code> 都是唯一的,</li>
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<li>图中没有重复的边,也没有自环。</li>
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<li>图是连通图,你可以从给定节点访问到所有节点。</li>
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</ol>
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</ul>
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