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表达式转换,中缀表达式变后缀表达式并求值。有栈中内容变化说明。-Expression conversion infix postfix expression and the expression changes evaluated. There are changes in the contents of the stack instructions.
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编写一程序直接计算任意输入的中缀表达式的值,且不能采用先转换到后缀表达式再计算的方式。-Procedures for the preparation of a direct calculation of arbitrary input infix expression values, and can not be converted to a postfix expression using the first re-calculated way.
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(1)实现中缀表达式转换成后缀表达式
(2)计算表达式的值
-(1) implementation infix expression into postfix expression (2) Calculate the value of the expression
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编写程序实现将中缀算术表达式转为后缀表达式,并利用栈和后缀表达式计算表达式的值-Programming to achieve infix arithmetic expressions to postfix expressions, postfix expression using stack and calculate the value of the expression
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实验要求把中缀表达式转换成为后缀表达式,然后再对后缀表达式求值。其中要利用栈,数组等。-Experimental requirements to convert infix expression into postfix expression and then evaluate the expression of the suffix. Which make use of the stack, the array and so on.
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给定一个中缀表达式,要求转化为后缀表达式,并且生成抽象堆栈机的代码,完整代码加实验报告。-Given an infix expression into postfix expression requirements, and generate an abstract stack machine code, complete code and test reports.
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(1)从键盘输入任意一个语法正确的(中缀)表达式,显示并保存该表达式。
(2)利用栈结构,把上述(中缀)表达式转换成后缀表达式,并显示栈的状态变化过程和所得到的后缀表达式。
(3)利用栈结构,对上述后缀表达式进行求值,并显示栈的状态变化过程和最终结果。-(1) keyboard input either from the right syntax (infix) expressions, display and save the expression. (2) the use
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用户输入四则运算的中缀表达式(可包含小括号),程序首先将中缀表达式转为后缀表达式并输出,然后计算结果并输出。-User input of infix arithmetic expression (which can include parentheses), the program first infix expression to postfix expression and the output, then the results and outputs.
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后缀表达式求值,将中缀表达式转换成后缀表达式,然后求值-Postfix expression evaluation infix expression into postfix expression and then evaluated
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将中缀表达式转换为后缀表达式并计算它的结果,采用栈的结构-Convert infix expression to postfix expression and calculate its results, using the stack structure
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CS2208 - Data Structures Lab (Anna University)
EXERCISES
1a. Implement singly linked lists.
1b. Implement doubly linked lists.
2. Represent a polynomial as a linked list and write functions for polynomial addition.
3. Implement stack and
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表达式• 表达式树• 表达式求值
输入一个中缀表达式及中缀表达式中字母代表的数值,包含+ - * / 运算符,(),首先转成后缀表达式,然后画出表达式树,最后输出表达式求出的值-Expression expression tree • expression evaluation input the values of the letters on behalf of an infix expression infix express
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中缀表达式转换为后缀表达式。将正确的中缀表达式输入,程序自动转化为后缀表达式并计算出结果。-Convert infix expression to postfix expression. The correct infix expression input, the program automatically converted into postfix expression and calculate the results.
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表达式求值利用中缀表达式翻译成后缀表达式进行求值!-Expression is evaluated using the infix expression translated into postfix expression is evaluated!
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斗地主发牌 定义和使用堆栈 将中缀表达式转换为后缀表达式-Landlords licensing define and use the stack to convert infix expression postfix expression
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这个程序是用C++编写的,编写时用到的环境是VC++6.0,程序作用是将中缀表达式转换为后缀表达式-This program is written in C++, when used in the preparation of the environment is VC++6.0, the role of the program is to convert infix expression postfix expression
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数据结构中,使用栈来实现表达式的计算。先将中缀表达式转换成为后缀表达式,在将后缀表达式计算出结果。-Data structure, use the stack to achieve the calculated expression. First infix expression converted into postfix expression in the postfix expression calculated results.
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将中缀表达式转换成后缀表达式,再将后缀表达式求值-Convert infix expression into postfix notation, then postfix expression uation
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问题描述
中缀表达式就是我们通常所书写的数学表达式,后缀表达式也称为逆波兰表达式,在编译程序对我们书写的程序中的表达式进行语法检查时,往往就可以通过逆波兰表达式进行。我们所要设计并实现的程序就是将中缀表示的算术表达式转换成后缀表示,例如,将中缀表达式
(A 一 (B*C 十 D)*E) / (F 十 G )
转换为后缀表示为:
ABC*D十E* FG十/
注意:为了简化编程实现,假定变量名均为单个字母,运算符只有+,-,*,/ 和^(指数运算
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中缀表达式转后缀表达式,可以在windows与linux系统运行(Infix to postfix expression)
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