摘要: You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?题解:如果要原地算法的话,就只能用交换... 阅读全文
posted @ 2015-04-03 16:37 SunshineAtNoon 阅读(291) 评论(0) 推荐(0) 编辑