mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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166 lines
15 KiB
JSON
166 lines
15 KiB
JSON
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"title": "Rotate Image",
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"content": "<p>You are given an <code>n x n</code> 2D <code>matrix</code> representing an image, rotate the image by <strong>90</strong> degrees (clockwise).</p>\n\n<p>You have to rotate the image <a href=\"https://en.wikipedia.org/wiki/In-place_algorithm\" target=\"_blank\"><strong>in-place</strong></a>, which means you have to modify the input 2D matrix directly. <strong>DO NOT</strong> allocate another 2D matrix and do the rotation.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/mat1.jpg\" style=\"width: 500px; height: 188px;\" />\n<pre>\n<strong>Input:</strong> matrix = [[1,2,3],[4,5,6],[7,8,9]]\n<strong>Output:</strong> [[7,4,1],[8,5,2],[9,6,3]]\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/08/28/mat2.jpg\" style=\"width: 500px; height: 201px;\" />\n<pre>\n<strong>Input:</strong> matrix = [[5,1,9,11],[2,4,8,10],[13,3,6,7],[15,14,12,16]]\n<strong>Output:</strong> [[15,13,2,5],[14,3,4,1],[12,6,8,9],[16,7,10,11]]\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == matrix.length == matrix[i].length</code></li>\n\t<li><code>1 <= n <= 20</code></li>\n\t<li><code>-1000 <= matrix[i][j] <= 1000</code></li>\n</ul>\n",
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"code": "impl Solution {\n pub fn rotate(matrix: &mut Vec<Vec<i32>>) {\n \n }\n}",
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