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"translatedContent": "<p>给你一个大小为 <code>m x n</code> 的二进制矩阵 <code>grid</code> 。</p>\n\n<p><strong>岛屿</strong> 是由一些相邻的 <code>1</code> (代表土地) 构成的组合,这里的「相邻」要求两个 <code>1</code> 必须在 <strong>水平或者竖直的四个方向上 </strong>相邻。你可以假设 <code>grid</code> 的四个边缘都被 <code>0</code>(代表水)包围着。</p>\n\n<p>岛屿的面积是岛上值为 <code>1</code> 的单元格的数目。</p>\n\n<p>计算并返回 <code>grid</code> 中最大的岛屿面积。如果没有岛屿,则返回面积为 <code>0</code> 。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/05/01/maxarea1-grid.jpg\" style=\"width: 500px; height: 310px;\" />\n<pre>\n<strong>输入:</strong>grid = [[0,0,1,0,0,0,0,1,0,0,0,0,0],[0,0,0,0,0,0,0,1,1,1,0,0,0],[0,1,1,0,1,0,0,0,0,0,0,0,0],[0,1,0,0,1,1,0,0,1,0,1,0,0],[0,1,0,0,1,1,0,0,1,1,1,0,0],[0,0,0,0,0,0,0,0,0,0,1,0,0],[0,0,0,0,0,0,0,1,1,1,0,0,0],[0,0,0,0,0,0,0,1,1,0,0,0,0]]\n<strong>输出:</strong>6\n<strong>解释:</strong>答案不应该是 <code>11</code> ,因为岛屿只能包含水平或垂直这四个方向上的 <code>1</code> 。\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>grid = [[0,0,0,0,0,0,0,0]]\n<strong>输出:</strong>0\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>m == grid.length</code></li>\n\t<li><code>n == grid[i].length</code></li>\n\t<li><code>1 <= m, n <= 50</code></li>\n\t<li><code>grid[i][j]</code> 为 <code>0</code> 或 <code>1</code></li>\n</ul>\n",
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