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计算器的问题
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新手上路
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Oct 28, 2006, 11:37:13 PM
10/28/06
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设计一个模拟计算器功能的程序,它读入一个表达式,如果是一个正确的表达式(即它由操作数、圆括号和+、-、*、/四种运算符组成),则求出该表达式的值;否则给出某种错误信息。
提示:利用栈与“算符优先法”;程序中应考虑运算符的优先级、运算的合法性。
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