Answer Posted / sarathi

#include<stdio.h>
main()
{
int *p,*q;
*p=10;
*q=20
void swap(int &p,int &q);
}
void swap(int *x,int *y);
{
int *tmp;
*tmp=*x;
*x=*y;
*y=*x;
printf("%d,%d",*x,*y);
}

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