一个程序，以一个整数作为参数，并返回它的直径…

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一个聊天程序。完全可用。做的很实用。-A chat program. Fully available.

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用java+jsp编写的聊天室，功能简单，合适新手下载来看看，很有帮助！-prepared using chat rooms, function simple, appropriate to look at the newcomers download helpful!

快速傅里叶方法求两个多项式乘积，将input4.dat文件放在d盘根目录下-Fast Fourier method, to calculate the product of two polynomials, the input4.dat the file under the root directory on the d

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