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"translatedContent": "<p>有两种形状的瓷砖:一种是 <code>2 x 1</code> 的多米诺形,另一种是形如 \"L\" 的托米诺形。两种形状都可以旋转。</p>\n\n<p><img src=\"https://assets.leetcode.com/uploads/2021/07/15/lc-domino.jpg\" style=\"height: 195px; width: 362px;\" /></p>\n\n<p>给定整数 n ,返回可以平铺 <code>2 x n</code> 的面板的方法的数量。<strong>返回对</strong> <code>10<sup>9</sup> + 7</code> <strong>取模 </strong>的值。</p>\n\n<p>平铺指的是每个正方形都必须有瓷砖覆盖。两个平铺不同,当且仅当面板上有四个方向上的相邻单元中的两个,使得恰好有一个平铺有一个瓷砖占据两个正方形。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<p><img src=\"https://assets.leetcode.com/uploads/2021/07/15/lc-domino1.jpg\" style=\"height: 226px; width: 500px;\" /></p>\n\n<pre>\n<strong>输入:</strong> n = 3\n<strong>输出:</strong> 5\n<strong>解释:</strong> 五种不同的方法如上所示。\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong> n = 1\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>1 <= n <= 1000</code></li>\n</ul>\n",
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