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Programming Assignment 3: Collinear Points
The problem. Given a set of N distinct points in the plane, draw every (maximal) line segment that connects a subset of 4 or more of the points.Point ...
分类:其他好文   时间:2014-10-21 22:54:39    阅读次数:564
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:在一个只有0、1的矩阵中找到一个面积最大的矩形,它内部所有的...
分类:其他好文   时间:2014-10-21 11:46:41    阅读次数:129
poj 2663 Tri Tiling
Tri Tiling Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7887   Accepted: 4134 Description In how many ways can you tile a 3xn rectangle with 2x1 dominoe...
分类:其他好文   时间:2014-10-20 17:27:38    阅读次数:210
Largest Rectangle in Histogram
[leetcode]Largest Rectangle in Histogram...
分类:其他好文   时间:2014-10-20 11:55:19    阅读次数:156
VB API 之 第十一课 绘制矩形
先来介绍几个画矩形的函数:DrawFocusRect():画一个焦点矩形;Rectangle():用当前选定的画笔描绘矩形,并用当前选定的画刷填充;DrawEdge():用指定的样式描绘一个矩形的边框;RoundRect():用当前选定的画笔画一个圆角矩形,并用当前选定的画刷填充。今天用的是Draw...
分类:Windows程序   时间:2014-10-19 19:49:19    阅读次数:212
HDU1506_Largest Rectangle in a Histogram
题目大意:给你一个直方图,告诉你各个条形矩形的高度,求基线对齐构成的矩形中面积 最大的矩形的面积对于每一个矩形。面积 = h[i]*(j-k+1),其中j,k是左右边界,h[i]是矩形 的高。并且对于j <= x <= k,h[i] <= h[x]。 本题中,找到左右边界j,k是关键。 利用动态规划的方法,对于位置i,如果左边条形矩形的高度大于它本身,那么左边的左边 界一定也满足位置i的左边界。同理如果右边条形矩形的高度大于它本身,那么右边的右边 界也一定满足位置i的右边界。迭代循环下去。直到找到i的左右边...
分类:其他好文   时间:2014-10-18 11:16:38    阅读次数:173
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
HDU 1056 Largest Rectangle in a Histogram(dp)(求最大的矩形面积)
Problem Description A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may have different heights. For example, the figu...
分类:其他好文   时间:2014-10-17 23:26:46    阅读次数:426
zoj 3367 Counterfeit Money(dp)
先搞定这题。ZOJ1985 Largest Rectangle in a Histogram再做这题。先枚举第二个矩形对第一个矩形的偏移量(x,y),再进行2维DP,复杂度为O(n^2 *n^2),即O(n^4).#include using namespace std;const int maxn...
分类:其他好文   时间:2014-10-17 00:07:53    阅读次数:405
Largest Rectangle in Histogram
Largest Rectangle in Histogram  Total Accepted: 18582 Total Submissions: 86792My Submissions Given n non-negative integers representing the histogram's bar height where the width of each b...
分类:其他好文   时间:2014-10-14 16:38:09    阅读次数:154
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