Need help on first on first calculator

Here's the code:

Code:

#include "stdafx.h"
#include "iostream"

using namespace std;
main()
{
	double a;
	cin>>a;
	
	if(a==0)
		cout<<"This number is Zero";

	else if(a<0)
		cout<<"This number is negative";

	else
		cout<<"This number is positive";
}

And when i build it i get this error:
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

I need help asap pls..
It is a homework and i don't get whats wrong

You just forgot to set the type of the main function, replace "main()" with "int main()".

Originally Posted by Variant

You just forgot to set the type of the main function, replace "main()" with "int main()".

kk cool thanx

Need help on first on first calculator

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