原文:WPF动态加载3D 放大-旋转-平移 WavefrontObjLoader.cs 第二步:ModelVisual3DWithName.cs public class ModelVisual3DWithName:ModelVisual3D { public string Name { get; set; } public object Tag { get; set; } } 第三步:MainWindow.xmal <Grid x:Name="lay"&
48. Rotate Image Total Accepted: 69437 Total Submissions: 198781 Difficulty: Medium You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). 显然的,矩阵旋转. 这里我是多开一个数组来直接赋值,没有原地翻转. 或许原地翻转能更快. package leetcode.
任意门:http://acm.hdu.edu.cn/showproblem.php?pid=6341 Problem J. Let Sudoku Rotate Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1363 Accepted Submission(s): 717 Problem Description Sudoku i
一行代码解决矩阵旋转(方法三). 方法1: 坐标法 def rotate(self, matrix): n = len(matrix) # 求出矩阵长度 m = (n + 1) // 2 # 求出层数 for k in range(m): t = n - 2 * k - 1 # 需旋转的次数 for i in range(t): # 不考虑 i 考虑 i # d1(左上),行与k成正比,列与k成正比且与i成正比 [k][k] ---------------> [k][k + i] # d2(左下