Write a C++ program to evaluate postfix expressions. Your program should take postfix expression as an input,
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Write a C++ program to evaluate postfix expressions. Your program should take postfix expression as an input, process it with the help of stack and display the resultafter performing required calculations. Only following Binary operators are allowed for this program: +, -, *, /, ^ [addition, subtraction, multiplication, division, exponentiation] If some error occurs while processing postfix expression, your program should display a meaningful message, like: Error: Division by zero not allowed Error: Two operands required for __ operator Error: Invalid postfix expression Sample Run: Enter postfix expression to evaluate: 10 20 + Entered by user The result is: 30 Do you want to enter another postfix expression to evaluate? [Y/N] Y Entered by user Enter postfix expression to evaluate: 30 40 + * Entered by user Error: Two operands required for * operator Do you want to enter another postfix expression to evaluate? [Y/N] Y Entered by user Enter postfix expression to evaluate: 30 40 + 50 60 * Entered by user Error: Invalid postfix expression Do you want to enter another postfix expression to evaluate? [Y/N] Y Entered by user Enter postfix expression to evaluate: 6 2 3 + - 3 8 2 / + * 2 ^ 3 + Entered by user The result is: 52 Do you want to enter another postfix expression to evaluate? [Y/N] N Entered by user
Related Book For
Java How To Program Late Objects Version
ISBN: 9780136123712
8th Edition
Authors: Paul Deitel, Deitel & Associates
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