leetcode-problemset/leetcode-cn/originData/strange-printer-ii.json

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            "title": "Strange Printer II",
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            "content": "<p>There is a strange printer with the following two special requirements:</p>\n\n<ul>\n\t<li>On each turn, the printer will print a solid rectangular pattern of a single color on the grid. This will cover up the existing colors in the rectangle.</li>\n\t<li>Once the printer has used a color for the above operation, <strong>the same color cannot be used again</strong>.</li>\n</ul>\n\n<p>You are given a <code>m x n</code> matrix <code>targetGrid</code>, where <code>targetGrid[row][col]</code> is the color in the position <code>(row, col)</code> of the grid.</p>\n\n<p>Return <code>true</code><em> if it is possible to print the matrix </em><code>targetGrid</code><em>,</em><em> otherwise, return </em><code>false</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/12/23/print1.jpg\" style=\"width: 600px; height: 175px;\" />\n<pre>\n<strong>Input:</strong> targetGrid = [[1,1,1,1],[1,2,2,1],[1,2,2,1],[1,1,1,1]]\n<strong>Output:</strong> true\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/12/23/print2.jpg\" style=\"width: 600px; height: 367px;\" />\n<pre>\n<strong>Input:</strong> targetGrid = [[1,1,1,1],[1,1,3,3],[1,1,3,4],[5,5,1,4]]\n<strong>Output:</strong> true\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> targetGrid = [[1,2,1],[2,1,2],[1,2,1]]\n<strong>Output:</strong> false\n<strong>Explanation:</strong> It is impossible to form targetGrid because it is not allowed to print the same color in different turns.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>m == targetGrid.length</code></li>\n\t<li><code>n == targetGrid[i].length</code></li>\n\t<li><code>1 &lt;= m, n &lt;= 60</code></li>\n\t<li><code>1 &lt;= targetGrid[row][col] &lt;= 60</code></li>\n</ul>\n",
            "translatedTitle": "奇怪的打印机 II",
            "translatedContent": "<p>给你一个奇怪的打印机，它有如下两个特殊的打印规则：</p>\n\n<ul>\n\t<li>每一次操作时，打印机会用同一种颜色打印一个矩形的形状，每次打印会覆盖矩形对应格子里原本的颜色。</li>\n\t<li>一旦矩形根据上面的规则使用了一种颜色，那么 <strong>相同的颜色不能再被使用&nbsp;</strong>。</li>\n</ul>\n\n<p>给你一个初始没有颜色的&nbsp;<code>m x n</code>&nbsp;的矩形&nbsp;<code>targetGrid</code>&nbsp;，其中&nbsp;<code>targetGrid[row][col]</code>&nbsp;是位置&nbsp;<code>(row, col)</code>&nbsp;的颜色。</p>\n\n<p>如果你能按照上述规则打印出矩形<em>&nbsp;</em><code>targetGrid</code>&nbsp;，请你返回&nbsp;<code>true</code>&nbsp;，否则返回&nbsp;<code>false</code>&nbsp;。</p>\n\n<p>&nbsp;</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/2020/09/19/sample_1_1929.png\" style=\"height: 138px; width: 483px;\"></p>\n\n<pre><strong>输入：</strong>targetGrid = [[1,1,1,1],[1,2,2,1],[1,2,2,1],[1,1,1,1]]\n<strong>输出：</strong>true\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/09/19/sample_2_1929.png\" style=\"height: 290px; width: 483px;\"></p>\n\n<pre><strong>输入：</strong>targetGrid = [[1,1,1,1],[1,1,3,3],[1,1,3,4],[5,5,1,4]]\n<strong>输出：</strong>true\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><strong>输入：</strong>targetGrid = [[1,2,1],[2,1,2],[1,2,1]]\n<strong>输出：</strong>false\n<strong>解释：</strong>没有办法得到 targetGrid ，因为每一轮操作使用的颜色互不相同。</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre><strong>输入：</strong>targetGrid = [[1,1,1],[3,1,3]]\n<strong>输出：</strong>false\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>m == targetGrid.length</code></li>\n\t<li><code>n == targetGrid[i].length</code></li>\n\t<li><code>1 &lt;= m, n &lt;= 60</code></li>\n\t<li><code>1 &lt;= targetGrid[row][col] &lt;= 60</code></li>\n</ul>\n",
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