Need code in VC++

[Avdhesh_1]

Question1. Your task is to complete the program provided by providing the three missing classes, Minus, Times and Divide.
Next, you should extend the program so that it supports relational, logical and conditional expression operators as defined by the following extension to the grammar:
<exp> -> '(' <operand> <op> <operand> ')' |
'(' <operand> ':' <operand> '?' <operand> ')' |
'(' <operand> '!' ')'
<op> -> '+' | '-' | '*' | '/' | '>' | '<' | '=' | '&' | '|'
Note that there are a few differences in the use of these operators compared to their customary use in the C family of languages.
In the conditional expression operator the symbols are reversed and the third operand represents the condition. The first operand is the value when true and the second the value when false
The logical operators use single symbols not double, for example the and operator is & not &&
The negation operator ! is a postfix operator, not a prefix one
There are only three relational operators not the usual six and the operator for equality is = not ==
Like C and C++, any arithmetic expression can be interpreted as a logical value, taking 0 as false and anything else as true
Your final task is to make the following two modifications to the program:
The program should accept input from a file, allowing for multiple expressions arranged one per line. Some hints for accomplishing this transformation will be provided in the conference
All results should be changed from double to int. In particular the evaluate function should return an int.
You may assume that all input to the program is syntactically correct.
You are to submit the source code for the entire program in a .zip file. Your program must compile with Microsoft Visual C++.

[rubberman]

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