设计算法判断一个算术表达式的圆括号是否正确配对。 (提示:
对表达式进行扫描,凡遇到 ( 就进栈,遇 ) 就退掉栈顶的 ( ,表达式被扫描完毕,栈应为空。-Design algorithm to determine an arithmetic expression is correct matching parentheses. (Hint: regular expressions to scan for, in any case where (in the case into the stack, the event) on the Top-to return the (, expression was scanned, the stack should be empty.
本论文简要的探讨了XML和数据库之间的关系,同时罗列出一些可以使用数据库处理
XML文档的软件工具。
-this paper summary of the XML database and the relationship between some lists also can use XML database processing software tools.
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统计领域的经典图书,亦是模式识别,机器学习必备经典图书-all of statistics of the classical field of statistics books, it is pattern recognition, machine learning essential classic books