Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:
其他好文 时间:
2015-06-09 06:04:47
阅读次数:
89
Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:
其他好文 时间:
2015-06-09 00:42:47
阅读次数:
140
第一步:新建single工程CitySelectedDemo第二步:导入资源area.plist(千万勾选copy选项,后面附area.plist文件资源)第三步:设计mian.storyboard ——》拖拽UITextField控件(运行后点击此输入框会弹出选择器,选择我们想要的城市地址后结.....
分类:
移动开发 时间:
2015-06-08 23:18:22
阅读次数:
282
Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:
其他好文 时间:
2015-06-08 23:10:32
阅读次数:
313
Find the total area covered by two rectilinear rectangles in a 2D plane.Each rectangle is defined by its bottom left corner and top right corner as shown in the figure.Rectangle Area
Assume that the t...
分类:
其他好文 时间:
2015-06-08 21:35:34
阅读次数:
119
Find the total area covered by two rectilinear rectangles in a 2D plane.
Each rectangle is defined by its bottom left corner and top right corner as shown in the figure.
Assume that the tota...
分类:
其他好文 时间:
2015-06-08 17:26:38
阅读次数:
110
Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:
其他好文 时间:
2015-06-08 17:07:39
阅读次数:
90
Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:
其他好文 时间:
2015-06-08 16:58:33
阅读次数:
113
题目地址:POJ 1265
题意:给定一个格点多边形,求出内部点数in,边上点数on,和面积S。
思路:运用的定理很多。
1.皮克定理:S=in+on/2-1,即in=(2*S+2-on)/2。
2.多边形的面积公式:按顺序求相邻两个点与原点组成的向量的叉积之和。
3.求边上的格点数:以格子点为顶点的线段,覆盖的点的个数为GCD(dx,dy),其中,dxdy分别为线段横向占的点数和纵向占...
分类:
其他好文 时间:
2015-06-08 15:04:16
阅读次数:
118
把交叉点的坐标求出来即可。#define max(a,b) ( (a)>(b)?(a):(b) )#define min(a,b) ( (a)upx||downy>upy)crossArea=0; else crossArea=(upx-downx)*(upy-downy); all...
分类:
其他好文 时间:
2015-06-08 14:38:26
阅读次数:
100