Write a program that uses stacks to evaluate an arithmetic expression in infix notation without converting it into postfix notation. The program takes as input a numeric expression in infix notation, such as 3+4*2, and outputs the result. 1) Operators are +, -, *,/ 2) Assume that the expression is formed correctly so that each operation has two arguments. 3) The expression can have parenthesis, for example: 3*(4-2)+6. 4) The expression can have negative numbers. 5) The expression can have spaces in it, for example: 3 * (4-2) +6. Here are some useful functions that you may need: char cin.peck(); -- returns the next character of the cin input stream ( without reading it) bool isdigit(char c); -- returns true if c is one of the digits 'o* through '9", false otherwise cin.ignore(); -- reads and discards the next character from the cin input stream cin.get(char &c); -- reads a character in c ( could be a space or the new line )

Write a program that uses stacks to evaluate an arithmetic expression in infix notation without converting it into postfix notation. The program takes as input a numeric expression in infix notation, such as 3+42, and outputs the result. 1) Operators are +, -, ,/ 2) Assume that the expression is formed correctly so that each operation has two arguments. 3) The expression can have parenthesis, for example: 3(4-2)+6. 4) The expression can have negative numbers. 5) The expression can have spaces in it, for example: 3 (4-2) +6. Here are some useful functions that you may need: char cin.peck(); -- returns the next character of the cin input stream ( without reading it) bool isdigit(char c); -- returns true if c is one of the digits 'o* through '9", false otherwise cin.ignore(); -- reads and discards the next character from the cin input stream cin.get(char &c); -- reads a character in c ( could be a space or the new line )

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Write a program that uses stacks to evaluate an arithmetic expression in infix notation without converting it into
postfix notation.
The program takes as input a numeric expression in infix notation, such as 3+4*2, and outputs the result.
1) Operators are +, -, *
2) Assume that the expression is formed correctly so that each operation has two arguments.
3) The expression can have parenthesis, for example: 3*(4-2)+6.
4) The expression can have negative numbers.
5) The expression can have spaces in it, for example: 3 * (4-2) +6.
Here are some useful functions that you may need:
char cin.peek(); -- retums the next character of the cin input stream ( without reading it)
bool isdigit(char c); -- returns true if e is one of the digits '0' through *9', false otherwise
cin.ignore(); -- reads and discards the next character from the cin input stream
cin.get(char &c); -- reads a character in e ( could be a space or the new line )

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