[CareerCup] 1.6 Rotate Image 翻转图像

 

1.6 Given an image represented by an NxN 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?

 

LeetCode中的原题，请参见我之前的博客Rotate Image 旋转图像。