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"translatedContent": "<p><img alt=\"\" src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/03/21/cinema_seats_1.png\" style=\"height: 149px; width: 400px;\"></p>\n\n<p>如上图所示,电影院的观影厅中有 <code>n</code> 行座位,行编号从 1 到 <code>n</code> ,且每一行内总共有 10 个座位,列编号从 1 到 10 。</p>\n\n<p>给你数组 <code>reservedSeats</code> ,包含所有已经被预约了的座位。比如说,<code>researvedSeats[i]=[3,8]</code> ,它表示第 <strong>3</strong> 行第 <strong>8</strong> 个座位被预约了。</p>\n\n<p>请你返回 <strong>最多能安排多少个 4 人家庭</strong> 。4 人家庭要占据 <strong>同一行内连续 </strong>的 4 个座位。隔着过道的座位(比方说 [3,3] 和 [3,4])不是连续的座位,但是如果你可以将 4 人家庭拆成过道两边各坐 2 人,这样子是允许的。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/03/21/cinema_seats_3.png\" style=\"height: 96px; width: 400px;\"></p>\n\n<pre><strong>输入:</strong>n = 3, reservedSeats = [[1,2],[1,3],[1,8],[2,6],[3,1],[3,10]]\n<strong>输出:</strong>4\n<strong>解释:</strong>上图所示是最优的安排方案,总共可以安排 4 个家庭。蓝色的叉表示被预约的座位,橙色的连续座位表示一个 4 人家庭。\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre><strong>输入:</strong>n = 2, reservedSeats = [[2,1],[1,8],[2,6]]\n<strong>输出:</strong>2\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre><strong>输入:</strong>n = 4, reservedSeats = [[4,3],[1,4],[4,6],[1,7]]\n<strong>输出:</strong>4\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 10^9</code></li>\n\t<li><code>1 <= reservedSeats.length <= min(10*n, 10^4)</code></li>\n\t<li><code>reservedSeats[i].length == 2</code></li>\n\t<li><code>1 <= reservedSeats[i][0] <= n</code></li>\n\t<li><code>1 <= reservedSeats[i][1] <= 10</code></li>\n\t<li>所有 <code>reservedSeats[i]</code> 都是互不相同的。</li>\n</ul>\n",
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"isPaidOnly": false,
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"difficulty": "Medium",
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"likes": 47,
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"similarQuestions": "[]",
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@@ -155,7 +155,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"7K\", \"totalSubmission\": \"21.8K\", \"totalAcceptedRaw\": 6972, \"totalSubmissionRaw\": 21751, \"acRate\": \"32.1%\"}",
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"stats": "{\"totalAccepted\": \"7.1K\", \"totalSubmission\": \"22.1K\", \"totalAcceptedRaw\": 7109, \"totalSubmissionRaw\": 22073, \"acRate\": \"32.2%\"}",
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"hints": [
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"Note you can allocate at most two families in one row.",
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"Greedily check if you can allocate seats for two families, one family or none.",
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