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...
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其他好文 时间:
2015-04-14 16:45:49
阅读次数:
88
problem:
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.
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Array Hash
Table Stack Dynamic
Programmin...
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其他好文 时间:
2015-04-14 16:40:04
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110
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...
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其他好文 时间:
2015-04-12 13:28:40
阅读次数:
189
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...
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其他好文 时间:
2015-04-12 10:37:34
阅读次数:
118
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...
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其他好文 时间:
2015-04-12 00:06:12
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282
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...
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其他好文 时间:
2015-04-11 22:35:26
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178
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 ...
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其他好文 时间:
2015-04-11 20:50:26
阅读次数:
115
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。...
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其他好文 时间:
2015-04-09 09:04:59
阅读次数:
6113
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...
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其他好文 时间:
2015-04-09 00:47:24
阅读次数:
121
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...
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编程语言 时间:
2015-04-08 21:11:23
阅读次数:
189