// test5.4.cpp : demonstrates passing by value

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

using namespace std;
void swap(int x, int y);

int main()
{
    int x = 5,y = 10;

    cout <<"Main.Before swap, x: "<< x <<" y: "<< y << endl;
    swap(x,y);
    cout <<"Main.After swap, x: "<< x <<" y: "<< y << endl;
    return 0;
}

void swap(int x, int y)
{
    int temp;

    cout <<"Swap.Before swap,x: "<< x <<" y: "<< y << endl;

    temp = x;
    x = y;
    y = temp;

    cout <<"Swap.After swap,x: "<< x <<" y: "<< y << endl;
}