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            "title": "Path With Minimum Effort",
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            "content": "<p>You are a hiker preparing for an upcoming hike. You are given <code>heights</code>, a 2D array of size <code>rows x columns</code>, where <code>heights[row][col]</code> represents the height of cell <code>(row, col)</code>. You are situated in the top-left cell, <code>(0, 0)</code>, and you hope to travel to the bottom-right cell, <code>(rows-1, columns-1)</code> (i.e.,&nbsp;<strong>0-indexed</strong>). You can move <strong>up</strong>, <strong>down</strong>, <strong>left</strong>, or <strong>right</strong>, and you wish to find a route that requires the minimum <strong>effort</strong>.</p>\r\n\r\n<p>A route&#39;s <strong>effort</strong> is the <strong>maximum absolute difference</strong><strong> </strong>in heights between two consecutive cells of the route.</p>\r\n\r\n<p>Return <em>the minimum <strong>effort</strong> required to travel from the top-left cell to the bottom-right cell.</em></p>\r\n\r\n<p>&nbsp;</p>\r\n<p><strong>Example 1:</strong></p>\r\n\r\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/04/ex1.png\" style=\"width: 300px; height: 300px;\" /></p>\r\n\r\n<pre>\r\n<strong>Input:</strong> heights = [[1,2,2],[3,8,2],[5,3,5]]\r\n<strong>Output:</strong> 2\r\n<strong>Explanation:</strong> The route of [1,3,5,3,5] has a maximum absolute difference of 2 in consecutive cells.\r\nThis is better than the route of [1,2,2,2,5], where the maximum absolute difference is 3.\r\n</pre>\r\n\r\n<p><strong>Example 2:</strong></p>\r\n\r\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/04/ex2.png\" style=\"width: 300px; height: 300px;\" /></p>\r\n\r\n<pre>\r\n<strong>Input:</strong> heights = [[1,2,3],[3,8,4],[5,3,5]]\r\n<strong>Output:</strong> 1\r\n<strong>Explanation:</strong> The route of [1,2,3,4,5] has a maximum absolute difference of 1 in consecutive cells, which is better than route [1,3,5,3,5].\r\n</pre>\r\n\r\n<p><strong>Example 3:</strong></p>\r\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/10/04/ex3.png\" style=\"width: 300px; height: 300px;\" />\r\n<pre>\r\n<strong>Input:</strong> heights = [[1,2,1,1,1],[1,2,1,2,1],[1,2,1,2,1],[1,2,1,2,1],[1,1,1,2,1]]\r\n<strong>Output:</strong> 0\r\n<strong>Explanation:</strong> This route does not require any effort.\r\n</pre>\r\n\r\n<p>&nbsp;</p>\r\n<p><strong>Constraints:</strong></p>\r\n\r\n<ul>\r\n\t<li><code>rows == heights.length</code></li>\r\n\t<li><code>columns == heights[i].length</code></li>\r\n\t<li><code>1 &lt;= rows, columns &lt;= 100</code></li>\r\n\t<li><code>1 &lt;= heights[i][j] &lt;= 10<sup>6</sup></code></li>\r\n</ul>",
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