Rotate the image by 90 degrees (clockwise). Note: You have to rotate the imagein-place, which means you have to modify the input 2D matrix directly. DO NOT allocate another 2D matrix and do the rotation. 翻译:你有一个n*n 的2D矩阵表示一个图像。 将图像旋转90度(顺时针)。 注意: 你必须...
You are given annxn2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 分析: 二维数组a[n][n]顺时针旋转90度,要解决这个问题,无疑,第一件事儿就是找规律。 当n=1时,不用动了。 当n=2时, 旋转之后变为 有: a[0][0] =...
C. The figure is rotated 90 degrees counterclockwise. D. The figure is rotated 90 degrees clockwise. 相关知识点: 试题来源: 解析 D。本题考查图形旋转方向和角度的理解。A 选项图形保持不变错误;B 选项旋转 180 度错误;C 选项逆时针旋转 90 度错误;D 选项顺时针旋转 90 度正确。反馈 收藏 ...
You are given annxn2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 简单的说就是给出一个n*n的二维数组,然后把这个数组进行90度顺时针旋转,而且不能使用额外的存储空间。 最初拿到这道题想到的就是找出每个坐标的旋转规律。假设我...
Rotate the image by 90 degrees (clockwise). Note: You have to rotate the image in-place, which means you have to modify the input 2D matrix directly. DO NOT allocate another 2D matrix and do the rotation. 这道题就是输一个n*n的矩阵顺时针旋转90度,然后求矩阵的元素。矩阵转置是相当于旋转...
Rotate a matrix by 90 degrees counterclockwise (270 degrees clockwise). Used for adjusting image plotting in R.Rotate a matrix by 90 degrees counterclockwise (270 degrees clockwise). Used for adjusting image plotting in R.Glenn J. Tattersall...
I write a function to rotate a matrix by 90 degrees clockwise, this function works on a matrix of specific size, for example, it rotates a 4*4 matrix of integers in the following code. The function makes one more copy of the original matrix, how is the efficiency? Can the copy be sa...
Problem # You are given an n x n 2D matrix representing an image. # # Rotate the image by 90 degrees (clockwise). # # Note: # You have to rotate the image in-pl...
The figure was first rotated 90 degrees clockwise and then reflected across the x-axis. What is the final transformation? A. Translation B. Dilation C. Combination of rotation and reflection D. Shearing 相关知识点: 试题来源: 解析 C。本题考查图形变换的英语表达及综合运用。选项 A 是平移;选项...
You are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise).