TheArtOfHPC_vol3_cppf08programming/Code/c/pswap.cpp

// code by Akhil Sadam

#include <iostream>
using namespace std;

void swap(int* i,int* j)
{
    int* tmp = i;
    i = j;
    j = tmp;
}

int main() 
{
    int i=1,j=2;
    swap(*&i,*&j);
    cout << i << " " << j << '\n';
    return 0;
}