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HDu 2830 Matrix Swapping II(dp)
Problem Description Given an N * M matrix with each entry equal to 0 or 1. We can find some rectangles in the matrix whose entries are all 1, and we define the maximum area of such rectangle as this ...
分类:移动开发   时间:2014-10-17 23:26:50    阅读次数:264
bnu A Matrix 北京邀请赛A题
A MatrixTime Limit:2000msMemory Limit:65536KB64-bit integer IO format:%lld Java class name:MainPrevSubmitStatusStatisticsDiscussNextFont Size:+-Chaos ...
分类:其他好文   时间:2014-10-17 23:14:08    阅读次数:268
Matrix+POJ+二维树状数组初步
二维树状数组...
分类:编程语言   时间:2014-10-17 20:30:00    阅读次数:243
LeetCode Search a 2D Matrix
Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted from l...
分类:其他好文   时间:2014-10-16 14:04:12    阅读次数:178
hdoj 3376,2686 Matrix Again 【最小费用最大流】
题目:hdoj 3376 Matrix Again 题意:给出一个m*n的矩阵,然后从左上角到右下角走两次,每次只能向右或者向下,出了末尾点其他只能走一次,不能交叉,每次走到一个格子拿走这个格子中的数字,求价值最大? 分析:很明显费用流,开始想的到一种建图方案,但是那样的话流量全为负值的话会成一个环,所以果断换了。 建图方案是: 首先拆点,每个点拆成两个i 和 ii ,建边...
分类:其他好文   时间:2014-10-15 18:56:11    阅读次数:244
PCA降维
http://blog.csdn.net/a784763307/article/details/17289317这篇比较棒openCV版void PrintMatrix(CvMat *Matrix,int Rows,int Cols) { for(int i=0;istep); ...
分类:其他好文   时间:2014-10-15 14:41:20    阅读次数:237
Spiral Matrix II
[leetcode]Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order....
分类:其他好文   时间:2014-10-15 12:36:40    阅读次数:188
acdeream Matrix Multiplication
D-Matrix MultiplicationTime Limit:2000/1000MS (Java/Others)Memory Limit:128000/64000KB (Java/Others)SubmitStatusProblem Description Let us consider u....
分类:其他好文   时间:2014-10-14 23:59:39    阅读次数:175
如何使用Matrix对bitmap的旋转与镜像水平垂直翻转
Bitmap convert(Bitmap a, int width, int height){int w = a.getWidth();int h = a.getHeight();Bitmap newb = Bitmap.createBitmap(ww, wh, Config.ARGB_8888)...
分类:其他好文   时间:2014-10-14 17:41:08    阅读次数:146
Maximal Rectangle
[leetcode]Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area....
分类:其他好文   时间:2014-10-14 13:49:48    阅读次数:148
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