Program To Swap Two Number Using Function In C++

#include<iostream.h>

#include<conio.h>

void sum(int x, int y);

main()

{

clrscr();

int a,b,c;

cout<<"enter number=";

cin>>a;

cout<<"enter number=";

cin>>b;

sum(a,b);

getch();

}

void sum(int x,int y)

{

int z;

z=x+y;

cout<<z;

}