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"translatedContent": "<p>请你判断一个 <code>9 x 9</code> 的数独是否有效。只需要<strong> 根据以下规则</strong> ,验证已经填入的数字是否有效即可。</p>\n\n<ol>\n\t<li>数字 <code>1-9</code> 在每一行只能出现一次。</li>\n\t<li>数字 <code>1-9</code> 在每一列只能出现一次。</li>\n\t<li>数字 <code>1-9</code> 在每一个以粗实线分隔的 <code>3x3</code> 宫内只能出现一次。(请参考示例图)</li>\n</ol>\n\n<p> </p>\n\n<p><strong>注意:</strong></p>\n\n<ul>\n\t<li>一个有效的数独(部分已被填充)不一定是可解的。</li>\n\t<li>只需要根据以上规则,验证已经填入的数字是否有效即可。</li>\n\t<li>空白格用 <code>'.'</code> 表示。</li>\n</ul>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n<img src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2021/04/12/250px-sudoku-by-l2g-20050714svg.png\" style=\"height:250px; width:250px\" />\n<pre>\n<strong>输入:</strong>board = \n[[\"5\",\"3\",\".\",\".\",\"7\",\".\",\".\",\".\",\".\"]\n,[\"6\",\".\",\".\",\"1\",\"9\",\"5\",\".\",\".\",\".\"]\n,[\".\",\"9\",\"8\",\".\",\".\",\".\",\".\",\"6\",\".\"]\n,[\"8\",\".\",\".\",\".\",\"6\",\".\",\".\",\".\",\"3\"]\n,[\"4\",\".\",\".\",\"8\",\".\",\"3\",\".\",\".\",\"1\"]\n,[\"7\",\".\",\".\",\".\",\"2\",\".\",\".\",\".\",\"6\"]\n,[\".\",\"6\",\".\",\".\",\".\",\".\",\"2\",\"8\",\".\"]\n,[\".\",\".\",\".\",\"4\",\"1\",\"9\",\".\",\".\",\"5\"]\n,[\".\",\".\",\".\",\".\",\"8\",\".\",\".\",\"7\",\"9\"]]\n<strong>输出:</strong>true\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>board = \n[[\"8\",\"3\",\".\",\".\",\"7\",\".\",\".\",\".\",\".\"]\n,[\"6\",\".\",\".\",\"1\",\"9\",\"5\",\".\",\".\",\".\"]\n,[\".\",\"9\",\"8\",\".\",\".\",\".\",\".\",\"6\",\".\"]\n,[\"8\",\".\",\".\",\".\",\"6\",\".\",\".\",\".\",\"3\"]\n,[\"4\",\".\",\".\",\"8\",\".\",\"3\",\".\",\".\",\"1\"]\n,[\"7\",\".\",\".\",\".\",\"2\",\".\",\".\",\".\",\"6\"]\n,[\".\",\"6\",\".\",\".\",\".\",\".\",\"2\",\"8\",\".\"]\n,[\".\",\".\",\".\",\"4\",\"1\",\"9\",\".\",\".\",\"5\"]\n,[\".\",\".\",\".\",\".\",\"8\",\".\",\".\",\"7\",\"9\"]]\n<strong>输出:</strong>false\n<strong>解释:</strong>除了第一行的第一个数字从<strong> 5</strong> 改为 <strong>8 </strong>以外,空格内其他数字均与 示例1 相同。 但由于位于左上角的 3x3 宫内有两个 8 存在, 因此这个数独是无效的。</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>board.length == 9</code></li>\n\t<li><code>board[i].length == 9</code></li>\n\t<li><code>board[i][j]</code> 是一位数字(<code>1-9</code>)或者 <code>'.'</code></li>\n</ul>\n",
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@@ -149,7 +149,7 @@
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"id": "120",
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