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46 lines
898 B
HTML
46 lines
898 B
HTML
<p>给你一幅由 <code>N × N</code> 矩阵表示的图像，其中每个像素的大小为 4 字节。请你设计一种算法，将图像旋转 90 度。</p>
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<p>不占用额外内存空间能否做到？</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre>
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给定 <strong>matrix</strong> =
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[
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[1,2,3],
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[4,5,6],
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[7,8,9]
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],
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<strong>原地</strong>旋转输入矩阵，使其变为:
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[
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[7,4,1],
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[8,5,2],
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[9,6,3]
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]
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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给定 <strong>matrix</strong> =
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[
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[ 5, 1, 9,11],
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[ 2, 4, 8,10],
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[13, 3, 6, 7],
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[15,14,12,16]
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],
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<strong>原地</strong>旋转输入矩阵，使其变为:
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[
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[15,13, 2, 5],
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[14, 3, 4, 1],
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[12, 6, 8, 9],
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[16, 7,10,11]
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]
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</pre>
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<p><strong>注意</strong>：本题与主站 48 题相同：<a href="https://leetcode-cn.com/problems/rotate-image/">https://leetcode-cn.com/problems/rotate-image/</a></p>
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