leetcode-problemset/leetcode-cn/originData/shortest-path-in-binary-matrix.json

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            "categoryTitle": "Algorithms",
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            "title": "Shortest Path in Binary Matrix",
            "titleSlug": "shortest-path-in-binary-matrix",
            "content": "<p>Given an <code>n x n</code> binary matrix <code>grid</code>, return <em>the length of the shortest <strong>clear path</strong> in the matrix</em>. If there is no clear path, return <code>-1</code>.</p>\n\n<p>A <strong>clear path</strong> in a binary matrix is a path from the <strong>top-left</strong> cell (i.e., <code>(0, 0)</code>) to the <strong>bottom-right</strong> cell (i.e., <code>(n - 1, n - 1)</code>) such that:</p>\n\n<ul>\n\t<li>All the visited cells of the path are <code>0</code>.</li>\n\t<li>All the adjacent cells of the path are <strong>8-directionally</strong> connected (i.e., they are different and they share an edge or a corner).</li>\n</ul>\n\n<p>The <strong>length of a clear path</strong> is the number of visited cells of this path.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/18/example1_1.png\" style=\"width: 500px; height: 234px;\" />\n<pre>\n<strong>Input:</strong> grid = [[0,1],[1,0]]\n<strong>Output:</strong> 2\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/18/example2_1.png\" style=\"height: 216px; width: 500px;\" />\n<pre>\n<strong>Input:</strong> grid = [[0,0,0],[1,1,0],[1,1,0]]\n<strong>Output:</strong> 4\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> grid = [[1,0,0],[1,1,0],[1,1,0]]\n<strong>Output:</strong> -1\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == grid.length</code></li>\n\t<li><code>n == grid[i].length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>grid[i][j] is 0 or 1</code></li>\n</ul>\n",
            "translatedTitle": "二进制矩阵中的最短路径",
            "translatedContent": "<p>给你一个 <code>n x n</code> 的二进制矩阵 <code>grid</code> 中，返回矩阵中最短 <strong>畅通路径</strong> 的长度。如果不存在这样的路径，返回 <code>-1</code> 。</p>\n\n<p>二进制矩阵中的 畅通路径 是一条从 <strong>左上角</strong> 单元格（即，<code>(0, 0)</code>）到 右下角 单元格（即，<code>(n - 1, n - 1)</code>）的路径，该路径同时满足下述要求：</p>\n\n<ul>\n\t<li>路径途经的所有单元格都的值都是 <code>0</code> 。</li>\n\t<li>路径中所有相邻的单元格应当在 <strong>8 个方向之一</strong> 上连通（即，相邻两单元之间彼此不同且共享一条边或者一个角）。</li>\n</ul>\n\n<p><strong>畅通路径的长度</strong> 是该路径途经的单元格总数。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/18/example1_1.png\" style=\"width: 500px; height: 234px;\" />\n<pre>\n<strong>输入：</strong>grid = [[0,1],[1,0]]\n<strong>输出：</strong>2\n</pre>\n\n<p><strong>示例 2：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/18/example2_1.png\" style=\"height: 216px; width: 500px;\" />\n<pre>\n<strong>输入：</strong>grid = [[0,0,0],[1,1,0],[1,1,0]]\n<strong>输出：</strong>4\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>grid = [[1,0,0],[1,1,0],[1,1,0]]\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>n == grid.length</code></li>\n\t<li><code>n == grid[i].length</code></li>\n\t<li><code>1 <= n <= 100</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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