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?思考:两步,先对角线交换再上下交换。class Solution {public: void rotate(vector > &matrix) { int n=matrix.size(); int i,j; for(i=0;i<n;i++) { for(... 阅读全文
posted @ 2013-12-13 20:46 七年之后 阅读(176) 评论(0) 推荐(0) 编辑
该文被密码保护。 阅读全文
posted @ 2013-12-13 18:43 七年之后 阅读(9) 评论(0) 推荐(0) 编辑