int findbig(int a, int b)
{
    // will return -1, if a is greater
    // 0 if both are equal
    // 1 if b is greater
}
void getnumbers(int a, int b)
{
    // your output
 
    int x = findbig(a, b);
 
    // check the values of x
    // decide which is greater
}

#include <iomanip>
#include <cmath>
#include <fstream>
#include <string>
#include<string>
#include<iostream>
 
using namespace std;
 
int num1, num2;
 
int findbig(int num1, int num2);
 
int main()
{
	char again = 'y';
 
	while (again=='y')
	{
	cout<<"Please enter two numbers to compare "<<endl;
	cin>>num1>>num2;
	cout<<"The two numbers entered in order were "<<num1<<" and "<<num2<<endl;
	}
	void getnumbers(int num1, int num2);
 
		if (num1<num2)
		int x = findbig(num1, num2);
		cout<<num2<<" is the larger of "<<num1<< " and "<<num2<<endl;
 
	else if (num1>num2)
	{
		cout<<num1<<" is the larger of "<<num1<< " and "<<num2<<endl;
	}
	cout<<"\n Go again?(y/n): ";
	cin>>again;
 
	return 0;
}

#include <iostream>
 
int findbig ( int num1, int num2 )
{
  return num1 > num2 ? num1 : num2;
}
 
void getnumbers ( int& num1, int& num2 )
{
  std::cout<<"Please enter two numbers to compare: ";
  std::cin>> num1 >> num2;
}
 
int main()
{
  int num1, num2;
 
  getnumbers ( num1, num2 );
  std::cout<< findbig ( num1, num2 ) <<" is larger\n";
}

1>------ Build started: Project: bigone, Configuration: Debug Win32 ------
1>Compiling...
1>bigone.cpp
1>c:\users\documents\visual studio 2005\projects\bigone\bigone\bigone.cpp(16) : error C2447: '{' : missing function header (old-style formal list?)
1>Build log was saved at "file://c:\Users\Documents\Visual Studio 2005\Projects\bigone\bigone\Debug\BuildLog.htm"
1>bigone - 1 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

#include <iostream>
#include <set>
 
int findbig ( std::set<int>& numbers )
{
  return *numbers.rbegin();
}
 
void getnumbers ( std::set<int>& numbers )
{
  int num;
 
  std::cout<<"Please enter a list of numbers to compare: ";
 
  while ( std::cin>> num )
    numbers.insert ( num );
}
 
int main()
{
  std::set<int> numbers;
 
  getnumbers ( numbers );
  std::cout<< findbig ( numbers ) <<" is larger\n";
}