template <class T, class Pred>
T ConditionalInput(LPSTR inputMessage, LPSTR errorMessage, Pred condition)
{
	T input
	cout<< inputMessage;
	cin>> input;
	while(!condition(input))
	{
		cout<< errorMessage;
		cin>> input;
	}
	return input;
}

...

int row;

row = ConditionalInput("Input the row of the number to lookup, row > 0: ", "[INPUT ERROR]: Specified number is not contained in the range [row > 0]. Please type again: ", [](int x){ return x > 0; });

...

The error is:

Error	1	error C2783: 'T ConditionalInput(LPSTR,LPSTR,predicate)' : could not deduce template argument for 'T' c_main.cpp	17	1