面试题 01.07. 旋转矩阵 Rotate Matrix 难度:Medium| 中等相关知识点:数组题目来源:《程序员面试金典》题目链接:https://leetcode-cn.com/problems/rotate-matrix-lcci/ 官方题解:https://leetcode-cn.com/problems/rotate-matrix-lcci/solution/ 展开更多 ...
输入:matrix = [[1,2],[3,4]] 输出:[[3,1],[4,2]] 3.提示 matrix.length == n matrix[i].length == n 1 <= n <= 20 -1000 <= matrix[i][j] <= 1000 4.图解-代码 1.数学方法:矩阵转置 + 反转 图解 code public void rotate(int[][] matrix) { matrixPrint(matrix); if (matri...
1matrix[:] = matrix[::-1] # 记住要用matrix[:], 不然更改的不对2#matrix = matrix[::-1]3foriinrange(len(matrix)):4forjinrange(i+1, len(matrix)):5matrix[i][j], matrix[j][i] = matrix[j][i], matrix[i][j] /* *anticlockwise rotate*first reverse left to right, then swap ...
给定matrix = [ [1,2,3], [4,5,6], [7,8,9]], 原地旋转输入矩阵,使其变为:[ [7,4,1], [8,5,2], [9,6,3]] 例子2:给定matrix =[ [ 5, 1, 9,11], [ 2, 4, 8,10], [13, 3, 6, 7], [15,14,12,16]], 原地旋转输入矩阵,使其变为:[ [15,13, 2, 5], [14, ...
LeetCode第48题:Rotate Image的解题思路是什么? 在LeetCode 48题中,如何实现图像的顺时针旋转90度? Problem 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # You are given an n x n 2D matrix representing an image. # # Rotate the image by 90 degrees (clockwise). # # Note: # You have ...
{public:voidrotate(vector<vector<int>>&matrix){if(matrix.size()<=0)return;int a=0,b=matrix.size()-1;while(a<b){for(int i=0;i<b-a;++i){swap(matrix[a][a+i],matrix[a+i][b]);swap(matrix[a][a+i],matrix[b][b-i]);swap(matrix[a][a+i],matrix[b-i][a]);}++a;--...
示例 1: 示例 2: 这道题应该先用宏观的角度去看是如何一层层的去循环 每一曾都是 由(a,b)到(c,d) 在看每一层是如何来遍历的 相似题目:leetcode 48. 旋转图像 48. Rotate Image https://leetcode.com/problems/rotate-image/description/ You are given an n x n 2D matrix representing an image...
如何使用Python解决Leetcode的Rotate Image问题? 题目: You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 思路分析: 最笨的方法,重新开辟一个矩阵空间,做旋转。(题目要求最好能就地旋转) 更好的方法:先将矩...
https://leetcode.com/problems/rotate-image/description/ You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note: You have to rotate... 48. Rotate Image /* 观察上面数据,需要做两步完成旋转 1. a[i][j] = a[j][i] 2. 然后对每行反...
leetcode -- Rotate Image -- 要看有trick,https://leetcodedefrotate(self,matrix):""":typematrix:List[L