Beginner Project, any advice?

[GreenIguana]

Hey everyone, I am a beginner learning C++ and recently made a project by myself without having to look up anything on the Internet. It really sucks compared to everything else I see in here, but I am proud of it and am looking to improve. Please post any suggestions you have to improve/simplify my code and point out any blatant mistakes I may have made.

It's called "Troll Calc" and it's basically a in-console calculator that won't give you an answer if it's an easy problem. I haven't added the "troll" part to the subtraction and division classes yet but I'll be getting to it soon.

[url]http://pastebin.com/aqT4DUvb[/url]

Thanks in advance! :D

Edit: I was playing around with it and realized that when you type in anything but an integer for the two numbers, it keeps repeating itself. Anyone know how I can fix this?

[reevezy67]

I'm not a C++ expert but I believe you can do something like this.

You need to check whether the input was valid or not, that's the !(cin >> number)

cout << "Enter an Integer: ";
int number = 0;

while(!(cin >> number))
{
    cin.sync(); //You might want to google cin.sync and .clear, not 100% sure if this is correct.
    cin.clear(); //I think this clears the input and error flags so you don't get the infinite loop.
    cout << "Bad input, Enter an INTEGER: ";
}

[editline]2nd February 2014[/editline]

Basically if the cast to an integer(in this case the number variable) fails, it will run the while loop, clear the errors and try again.

[BK201]

#include <iostream>
#include <limits>

using namespace std;

int main()
{
	int x = 0;

	while ((cout << "Enter your first number: ") && !(cin >> x))
	{
		cin.clear();
		cin.ignore(numeric_limits<streamsize>::max(), '\n');
		cout << "Yo mama did not teach you what an INTEGER is?\n";
	}

	cout << x << '\n';

	return 0;
}

[url]http://en.cppreference.com/w/cpp/io/basic_ios/clear[/url]
[url]http://en.cppreference.com/w/cpp/io/basic_istream/ignore[/url]

[GreenIguana]

Thanks guys! I appreciate the help.