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"question": {
"questionId": "100185",
"questionFrontendId": "面试题 01.07",
"categoryTitle": "LCCI",
"boundTopicId": 47063,
"title": "Rotate Matrix LCCI",
"titleSlug": "rotate-matrix-lcci",
"content": "<p>Given an image represented by an N x N matrix, where each pixel in the image is 4 bytes, write a method to rotate the image by 90 degrees. Can you do this in place?</p>\r\n\r\n<p>&nbsp;</p>\r\n\r\n<p><strong>Example 1:</strong></p>\r\n\r\n<pre>\r\nGiven <strong>matrix</strong> = \r\n[\r\n [1,2,3],\r\n [4,5,6],\r\n [7,8,9]\r\n],\r\n\r\nRotate the matrix <strong>in place. </strong>It becomes:\r\n[\r\n [7,4,1],\r\n [8,5,2],\r\n [9,6,3]\r\n]\r\n</pre>\r\n\r\n<p><strong>Example 2:</strong></p>\r\n\r\n<pre>\r\nGiven <strong>matrix</strong> =\r\n[\r\n [ 5, 1, 9,11],\r\n [ 2, 4, 8,10],\r\n [13, 3, 6, 7],\r\n [15,14,12,16]\r\n], \r\n\r\nRotate the matrix <strong>in place. </strong>It becomes:\r\n[\r\n [15,13, 2, 5],\r\n [14, 3, 4, 1],\r\n [12, 6, 8, 9],\r\n [16, 7,10,11]\r\n]\r\n</pre>\r\n",
"translatedTitle": "旋转矩阵",
"translatedContent": "<p>给你一幅由 <code>N × N</code> 矩阵表示的图像,其中每个像素的大小为 4 字节。请你设计一种算法,将图像旋转 90 度。</p>\n\n<p>不占用额外内存空间能否做到?</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n给定 <strong>matrix</strong> = \n[\n [1,2,3],\n [4,5,6],\n [7,8,9]\n],\n\n<strong>原地</strong>旋转输入矩阵,使其变为:\n[\n [7,4,1],\n [8,5,2],\n [9,6,3]\n]\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n给定 <strong>matrix</strong> =\n[\n [ 5, 1, 9,11],\n [ 2, 4, 8,10],\n [13, 3, 6, 7],\n [15,14,12,16]\n], \n\n<strong>原地</strong>旋转输入矩阵,使其变为:\n[\n [15,13, 2, 5],\n [14, 3, 4, 1],\n [12, 6, 8, 9],\n [16, 7,10,11]\n]\n</pre>\n\n<p><strong>注意</strong>:本题与主站 48 题相同<a href=\"https://leetcode-cn.com/problems/rotate-image/\">https://leetcode-cn.com/problems/rotate-image/</a></p>\n",
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"code": "class Solution {\npublic:\n void rotate(vector<vector<int>>& matrix) {\n\n }\n};",
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"code": "class Solution(object):\n def rotate(self, matrix):\n \"\"\"\n :type matrix: List[List[int]]\n :rtype: None Do not return anything, modify matrix in-place instead.\n \"\"\"",
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"code": "public class Solution {\n public void Rotate(int[][] matrix) {\n\n }\n}",
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"code": "/**\n * @param {number[][]} matrix\n * @return {void} Do not return anything, modify matrix in-place instead.\n */\nvar rotate = function(matrix) {\n\n};",
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"code": "impl Solution {\n pub fn rotate(matrix: &mut Vec<Vec<i32>>) {\n\n }\n}",
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"hints": [
"尝试逐层思考。你能旋转某个特定图层吗?",
"旋转一个特定的层只意味着在4个数组中交换值。如果要求你在2个数组中交换值你能做到吗你能把它扩展到4个数组吗"
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