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32 lines
897 B
HTML
32 lines
897 B
HTML
<p>Given the <code>root</code> of a binary tree, imagine yourself standing on the <strong>right side</strong> of it, return <em>the values of the nodes you can see ordered from top to bottom</em>.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/02/14/tree.jpg" style="width: 401px; height: 301px;" />
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<pre>
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<strong>Input:</strong> root = [1,2,3,null,5,null,4]
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<strong>Output:</strong> [1,3,4]
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</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> root = [1,null,3]
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<strong>Output:</strong> [1,3]
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</pre>
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<p><strong>Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> root = []
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<strong>Output:</strong> []
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li>The number of nodes in the tree is in the range <code>[0, 100]</code>.</li>
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<li><code>-100 <= Node.val <= 100</code></li>
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</ul>
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