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Background Given a set of rectangles {R1, R2, …, Rn}, compute the area of their common intersection. i.e., Area(R1∩R2∩…∩Rn) The edges of the rectangles R1, R2, …, Rn, are either vertical or horizontal lines. For example, the intersection of 4 rectangles, R1, R2, R3, and R4, in the following figure is the shaded rectangle. Input The input contains (N + 1) lines. The first line specifies the number of rectangles N, where 1 < N < 1000. Since the sides of the rectangles are parallel to the x-axis and y-axis, each rectangle is bounded by the lines x = x1, x = x2, y = y1 and y = y2 and each subsequent line of the input file thus specifies one rectangle in the following format: x1 x2 y1 y2 such that 0 <= x1 < x2 <= 10000 and 0 <= y1 < y2 <= 10000, and x1, x2, y1 and y2 are integers. Output The output file contains the area of the intersection of all the rectangles.

该汉字库软件用于生成16X16汉字点阵数据-16X16 hanziku

说明：  人工神经网络fortran程序源代码,用于气象领域较多(ANN FORTRAN source code for the meteorological field more)

kruskal 算法的c++实现,你可以很好的使用，数据结构的只是看它(kruskal it maybe useful to,you can see it)

说明：  俄罗斯方块。最经典的益智游戏，不仅可以学习，还能增加想要的功能(Tetris. The most classic puzzle game can not only learn, but also increase the function you want)

基于阵列的信号增强算法，利用多个阵元接收信号进行相关计算，输出纯净语音信号。(Array-based signal enhancement algorithm)

推箱子游戏是一个在turboC2环境下编写的小游戏，该类游戏版本很多，希望不会雷同-magazines is a game in turboC2 environment prepared by the small games, many versions of such games, hope not identical. .

显示24*24点阵汉字的小程序，VGA模式下，带24点阵汉字库-24* 24 dot matrix display Chinese characters applet, VGA mode, with 24 lattice汉字库

C# 得到网卡MAC的例子，获取程序所在运行宿主电脑的网卡MAC地址，或者说是得到本机MAC，得到MAC后直接显示在窗体上。本程序更多是以模块的形式存在，可嵌入到一些网络程序中，作为获取mac的一个模块来用。

说明：  mechatronics nc4 assessment design omron plc