中大sicily上的1000到1765题中大部分题目的代码，已通过测试。仅供参考只用-Code of some probelms on Sicily forum of SUN-Yat-Sen university，has been tested. For reference only.

堆栈的实现方法（Sicily 1021）关于堆栈的简单代码的方法，其实撇开复杂的类实现方式，写起来是很好写的。-Stack implementations (Sicily 1021) a simple code on the stack method, in fact, leaving aside complex class implementation, write-up is a good written.

本程序是中山大学sicily 1004-1007-1010-1014-1021 参考代码-This program is for sicily 1004-1007-1010-1014-1021 in Sun Yat-Sen University.