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35 lines
1.1 KiB
HTML
35 lines
1.1 KiB
HTML
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<p>给定一个 N 叉树，找到其最大深度。</p>
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<p class="MachineTrans-lang-zh-CN">最大深度是指从根节点到最远叶子节点的最长路径上的节点总数。</p>
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<p class="MachineTrans-lang-zh-CN">N 叉树输入按层序遍历序列化表示，每组子节点由空值分隔（请参见示例）。</p>
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<p class="MachineTrans-lang-zh-CN"> </p>
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<p><strong>示例 1：</strong></p>
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<p><img src="https://assets.leetcode.com/uploads/2018/10/12/narytreeexample.png" style="width: 100%; max-width: 300px;" /></p>
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<pre>
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<strong>输入：</strong>root = [1,null,3,2,4,null,5,6]
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<strong>输出：</strong>3
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</pre>
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<p><strong>示例 2：</strong></p>
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<p><img alt="" src="https://assets.leetcode.com/uploads/2019/11/08/sample_4_964.png" style="width: 296px; height: 241px;" /></p>
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<pre>
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<strong>输入：</strong>root = [1,null,2,3,4,5,null,null,6,7,null,8,null,9,10,null,null,11,null,12,null,13,null,null,14]
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<strong>输出：</strong>5
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</pre>
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<p> </p>
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<p><strong>提示：</strong></p>
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<ul>
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<li>树的深度不会超过 <code>1000</code> 。</li>
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<li>树的节点数目位于 <code>[0, 10<sup>4</sup>]</code> 之间。</li>
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</ul>
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