데블스캠프2006/화요일/pointer/문제1/성우용

~cpp
#include<iostream>
using namespace std;

void swap(int *a,int *b);
void main()
{
	int a = 1;
	int b = 18;

	cout<<"a"<<a<<endl;
	cout<<"b"<<b<<endl;
	swap(a,b);
	cout<<"a"<<a<<endl;
	cout<<"b"<<b<<endl;
}
void swap(int *a,int *b)
{
	int tmp;
	tmp = *a;
	*a = *b;
	*b = tmp;
}