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给定n个整数a , a , ,an 1 2 &#61516 组成的序列。序列中元素i a 的符号定义为： &iuml &icirc &iuml í ì - < = > = 1 0 0 0 1 0 sgn( ) i i i i a a a a 符号平衡问题要求给定序列的最长符号平衡段的长度L，即： &thorn &yacute ü &icirc í ì = + - = &aring = &pound &pound &pound max 1| sgn( ) 0 1 j k i i j ...

This a sample write in VBNet to use a free Brettle.Web.NeatUpload.dll in aspnet to upload file max to 2G. I try in IIS and Apache_2.0.59 it can work. Detil see http://www.brettle.com/

交通信号灯的控制： 1． 通过8255A并口来控制LED发光二极管的亮灭。 2． A口控制红灯，B口控制黄灯，C口控制绿灯。 3． 输出为0则亮，输出为1则灭。 4． 用8253定时来控制变换时间 。 要求：设有一个十字路口，1、3为南，北方向，2、4为东西方向，初始态为4个路口的红灯全亮。之后，1、3路口的绿灯亮，2、4路口的红灯亮，1 ...

Extensively revised for the latest Java (J2SE 5.0) release Deitel Java How to Program, 6/e now includes earlier coverage of objects new and streamlined case studies and OPTIONAL GUI and graphics sections. Now available in a briefer version (ch. 1-10) called Small Java. SafariX version available.

This document provides guidelines for integrating a discrete high speed USB host controller onto a fourlayer desktop motherboard. The material covered can be broken into three main categories: Board design guidelines, EMI/ESD guidelines and front panel USB guidelines. Section 1.1 Background provides ...

This document provides guidelines for integrating a discrete high speed USB host controller onto a fourlayer desktop motherboard. The material covered can be broken into three main categories: Board design guidelines, EMI/ESD guidelines and front panel USB guidelines. Section 1.1 Background provides ...

In addition to individual algorithm, Demonstration System is a "data structure" (C language version) book algorithm corresponding to the code (CPP) and the test operating procedures (VC + +6.0 to the EXE). Through the system can demonstrate that the algorithm source code and operating results

java 数据库 功能强大 效率高 SmallSQL Database is a free DBMS library for the Java(tm) platform. It runs on the Java 2 Platform (JDK 1.4 or later) and implements the JDBC 3.0 API. SmallSQL Database is licensed under the terms of the GNU Lesser General Public Licence (LGPL). A copy of the licence is ...

// 带有列主元的高斯消元法 // 功能：　求解线性方程组 Ax = b // 参数：　A － 指向n*n系数矩阵的指针 // 　　　　b － 常数向量的指针 // 　　　　n － 方程组的维数 // 返回值：0 － 如果成功。线性方程组的解保存在 b 中 // 　　　　1 － 求解失败 ...

VoiFax is a program that manage voice/data/fax modem in the same manner of vgetty and mgetty.VoiFax is thinking for use in the small businness as in the enterprises. It is fully compatible with vgetty scripts and manage (via efax) modem fax 1.0/1.1/2.0