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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 ...

控制pic系统小车，实现各种动作，做机器人或者机器小车的朋友会用的着，只要根据需要调用各功能函数即可

这是PIC和PC软件通信的基本程序，已经通过调式，大家可以放心使用！

I2C drever ,I have use that for longly

pic系列的单片机对射频卡FM1702SL的读写程序以及电路图

一个递归下降语法分析器。 测试数据为 i a + nul ( nul i b * nul i c ) nul # nul

PIC控制1702 原理图+源程序

wo shi a a a nk ni anid fnidf nini nin i

Web technology is not evolving in comfortable and incremental steps, but i s turbulent, erratic, and often rather uncomfortable. It is estimated that the Internet, arguably the most important part of the new technological environment, has expanded by about 2000 ％ and that is doubling in size every ...

PIC单片机控制FM1702SL源程序+原理图 FM1702SL射频模块底层驱动源程序,适用于PIC内核单片机,电路原理图为Protel 99 SE格式。