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LeetCode 048 Rotate Image
题目要求:Rotate ImageYou are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?代码...
分类:其他好文   时间:2015-02-07 21:32:30    阅读次数:204
POJ 2155 Matrix【二维线段树】
题目大意:给你一个全是0的N*N矩阵,每次有两种操作:1将矩阵中一个子矩阵置反,2.查询某个点是0还是1思路:裸的二维线段树#include#include#include #include#include#include#define MOD 1000003#define maxn 4009#de...
分类:其他好文   时间:2015-02-07 17:18:39    阅读次数:199
【leecode】 Spiral Matrix
Spiral MatrixGiven a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following ...
分类:其他好文   时间:2015-02-07 17:15:17    阅读次数:107
【leetcode】Spiral Matrix II
Spiral Matrix IIGiven an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3,You should ret...
分类:其他好文   时间:2015-02-07 17:14:43    阅读次数:82
leetcode_74_Search a 2D Matrix
版权所有,欢迎转载,转载请注明出处,谢谢 Search a 2D Matrix Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorte...
分类:其他好文   时间:2015-02-06 18:56:40    阅读次数:116
[LeetCode]54.Spiral Matrix
【题目】 Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, ...
分类:其他好文   时间:2015-02-05 11:18:02    阅读次数:172
LeetCode——Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2015-02-05 10:53:08    阅读次数:131
【Android入门 十】绘制图片和图片旋转
首先简略说明绘制图片: 由于canvas.drawBitmap(bitmap, src, dst, paint);有四个参数所以大体有四五步。 1、通过getResource()方法得到drawable文件夹里BitmapDrawable类型的对象 2、将BitmapDrawable类型转化为Bitmap类型的对象 3、创建src, dst,两个长方形,src是指在原图形上截得的图片,ds...
分类:移动开发   时间:2015-02-05 09:38:32    阅读次数:128
[LeetCode]59.Spiral Matrix II
【题目】 Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8,...
分类:其他好文   时间:2015-02-04 23:29:21    阅读次数:236
Machine Learning - III. Linear Algebra Review (Week 1, Optional)
机器学习Machine Learning - Andrew NG courses学习笔记 矩阵和向量及其表示介绍 what are matrices矩阵 matrix is just another way for saying, is a 2D or a two dimensional array. dimension of the matrix is going to be ...
分类:系统相关   时间:2015-02-04 20:26:35    阅读次数:197
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