leetcode-problemset/leetcode-cn/originData/find-a-safe-walk-through-a-grid.json

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        "question": {
            "questionId": "3558",
            "questionFrontendId": "3286",
            "categoryTitle": "Algorithms",
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            "title": "Find a Safe Walk Through a Grid",
            "titleSlug": "find-a-safe-walk-through-a-grid",
            "content": "<p>You are given an <code>m x n</code> binary matrix <code>grid</code> and an integer <code>health</code>.</p>\n\n<p>You start on the upper-left corner <code>(0, 0)</code> and would like to get to the lower-right corner <code>(m - 1, n - 1)</code>.</p>\n\n<p>You can move up, down, left, or right from one cell to another adjacent cell as long as your health <em>remains</em> <strong>positive</strong>.</p>\n\n<p>Cells <code>(i, j)</code> with <code>grid[i][j] = 1</code> are considered <strong>unsafe</strong> and reduce your health by 1.</p>\n\n<p>Return <code>true</code> if you can reach the final cell with a health value of 1 or more, and <code>false</code> otherwise.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[0,1,0,0,0],[0,1,0,1,0],[0,0,0,1,0]], health = 1</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">true</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The final cell can be reached safely by walking along the gray cells below.</p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_1drawio.png\" style=\"width: 301px; height: 121px;\" /></div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[0,1,1,0,0,0],[1,0,1,0,0,0],[0,1,1,1,0,1],[0,0,1,0,1,0]], health = 3</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">false</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>A minimum of 4 health points is needed to reach the final cell safely.</p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_2drawio.png\" style=\"width: 361px; height: 161px;\" /></div>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">grid = [[1,1,1],[1,0,1],[1,1,1]], health = 5</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">true</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<p>The final cell can be reached safely by walking along the gray cells below.</p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_3drawio.png\" style=\"width: 181px; height: 121px;\" /></p>\n\n<p>Any path that does not go through the cell <code>(1, 1)</code> is unsafe since your health will drop to 0 when reaching the final cell.</p>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</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 &lt;= m, n &lt;= 50</code></li>\n\t<li><code><font face=\"monospace\">2 &lt;= m * n</font></code></li>\n\t<li><code>1 &lt;= health &lt;= m + n</code></li>\n\t<li><code>grid[i][j]</code> is either 0 or 1.</li>\n</ul>\n",
            "translatedTitle": "穿越网格图的安全路径",
            "translatedContent": "<p>给你一个&nbsp;<code>m x n</code>&nbsp;的二进制矩形&nbsp;<code>grid</code>&nbsp;和一个整数&nbsp;<code>health</code>&nbsp;表示你的健康值。</p>\n\n<p>你开始于矩形的左上角&nbsp;<code>(0, 0)</code>&nbsp;，你的目标是矩形的右下角&nbsp;<code>(m - 1, n - 1)</code>&nbsp;。</p>\n\n<p>你可以在矩形中往上下左右相邻格子移动，但前提是你的健康值始终是 <b>正数</b>&nbsp;。</p>\n\n<p>对于格子&nbsp;<code>(i, j)</code>&nbsp;，如果&nbsp;<code>grid[i][j] = 1</code>&nbsp;，那么这个格子视为 <strong>不安全</strong>&nbsp;的，会使你的健康值减少 1 。</p>\n\n<p>如果你可以到达最终的格子，请你返回&nbsp;<code>true</code>&nbsp;，否则返回 <code>false</code>&nbsp;。</p>\n\n<p><b>注意</b>&nbsp;，当你在最终格子的时候，你的健康值也必须为<strong>&nbsp;正数</strong>&nbsp;。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<div class=\"example-block\">\n<p><span class=\"example-io\"><b>输入：</b>grid = [[0,1,0,0,0],[0,1,0,1,0],[0,0,0,1,0]], health = 1</span></p>\n\n<p><span class=\"example-io\"><b>输出：</b>true</span></p>\n\n<p><b>解释：</b></p>\n\n<p>沿着下图中灰色格子走，可以安全到达最终的格子。</p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_1drawio.png\" style=\"width: 301px; height: 121px;\" /></div>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<div class=\"example-block\">\n<p><span class=\"example-io\"><b>输入：</b>grid = [[0,1,1,0,0,0],[1,0,1,0,0,0],[0,1,1,1,0,1],[0,0,1,0,1,0]], health = 3</span></p>\n\n<p><span class=\"example-io\"><b>输出：</b>false</span></p>\n\n<p><b>解释：</b></p>\n\n<p>健康值最少为 4 才能安全到达最后的格子。</p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_2drawio.png\" style=\"width: 361px; height: 161px;\" /></div>\n\n<p><strong class=\"example\">示例 3：</strong></p>\n\n<div class=\"example-block\">\n<p><span class=\"example-io\"><b>输入：</b>grid = [[1,1,1],[1,0,1],[1,1,1]], health = 5</span></p>\n\n<p><span class=\"example-io\"><b>输出：</b>true</span></p>\n\n<p><b>解释：</b></p>\n\n<p>沿着下图中灰色格子走，可以安全到达最终的格子。</p>\n\n<p><img alt=\"\" src=\"https://assets.leetcode.com/uploads/2024/08/04/3868_examples_3drawio.png\" style=\"width: 181px; height: 121px;\" /></p>\n\n<p>任何不经过格子&nbsp;<code>(1, 1)</code>&nbsp;的路径都是不安全的，因为你的健康值到达最终格子时，都会小于等于 0 。</p>\n</div>\n\n<p>&nbsp;</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 &lt;= m, n &lt;= 50</code></li>\n<li><code>2 <= m * n</code></li>\n\t<li><code>1 &lt;= health &lt;= m + n</code></li>\n\t<li><code>grid[i][j]</code>&nbsp;要么是 0 ，要么是 1 。</li>\n</ul>\n",
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