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leetcode || 84、Largest Rectangle in Histogram
problem: Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histo...
分类:其他好文   时间:2015-04-14 16:45:49    阅读次数:88
leetcode || 85、Maximal Rectangle
problem: Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. Hide Tags  Array Hash Table Stack Dynamic Programmin...
分类:其他好文   时间:2015-04-14 16:40:04    阅读次数:110
[LeetCode 85] Maximal Rectangle (华为2015机试)
题目链接:maximal-rectangle import java.util.Arrays; /** * Given a 2D binary matrix filled with 0's and 1's, * find the largest rectangle containing all ones and return its area. * */ public cl...
分类:其他好文   时间:2015-04-12 13:28:40    阅读次数:189
LeetCode Maximal Rectangle
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 题意:求0,1矩阵中,1构成的最大矩阵。 思路:借用了上一题,首先我们先计算出dp[i][j]表示到第i行第j列时,此时这一列的连续1的个数,然后计算每一行...
分类:其他好文   时间:2015-04-12 10:37:34    阅读次数:118
二分图匹配
二分图匹配        给定一个二分图G(无向图),在G的一个子图M中,M的边集中的任意两条边都不依附于同一个顶点,则称M是一个匹配.        选择这样的边数最大的子集称为图的最大匹配问题(maximal matchingproblem)        如果一个匹配中,图中的每个顶点都和图中某条边相关联,则称此匹配为完全匹配,也称作完备匹配。        如果该二分图的每条边...
分类:其他好文   时间:2015-04-12 00:06:12    阅读次数:282
LeetCode Largest Rectangle in Histogram (单调栈)
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width o...
分类:其他好文   时间:2015-04-11 22:35:26    阅读次数:178
POJ2559——DP——Largest Rectangle in a Histogram
DescriptionA histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have ...
分类:其他好文   时间:2015-04-11 20:50:26    阅读次数:115
openCV学习笔记(7):cvRectangle与cv::rectangle的用法
cvRectangle与cv::rectangle的用法。解决:Error:不存在从“cv::Mat”到"CvArr*"的适当转换函数。...
分类:其他好文   时间:2015-04-09 09:04:59    阅读次数:6113
hdu Largest Rectangle in a Histogram
这道题目是一道动态规划的题目,动态规划的点不在面积上,而在每个矩形可左右扩展的坐标上。找出每个矩形最左边和最右边比它高的矩形的下标,最后求面积即可;#include"stdio.h"__int64 h[100010],ans,temp;int l[100010],r[100010];int main...
分类:其他好文   时间:2015-04-09 00:47:24    阅读次数:121
POJ 2386 java实现
描述:Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 =0&&py>=0&&px<n&&py...
分类:编程语言   时间:2015-04-08 21:11:23    阅读次数:189
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