Read OnLine Cpp Program Example

  



POINTER
PRAC 3 PRAC 4
//wap to print swaping of a two number
#include<iostream.h>
#include<conio.h>
void swap(int a,int b)
{
int c;
clrscr();
cout<<"\n Before swap a=%d",a;
cout<<"\n Before swap b=%d",b;
c=a;
a=b;
b=c;
cout<<"\n After swap a="<<a;
cout<<"\n After swap b="<<b;
}
void main()
{
int x,y;
x=5;
y=6;
swap(x,y);
getch();
}
----------output-----------
Before swap a=5
Before swap b=6
After swap a=6
After swap b=5		 //wap to print swaping of a two number
#include<iostream.h>
#include<conio.h>
void swap(int *a,int *b)
{
int c;
clrscr();
cout<<"\n Before swap a="<<*a;
cout<<"\n Before swap b="<<*b;
c=*a;
*a=*b;
*b=c;
cout<<"\n After swap a="<<*a;
cout<<"\n After swap b="<<*b;
}
void main()
{
int x,y;
x=5;
y=6;
swap(&x,&y);
getch();
}
-------output-------
Before swap a=5
Before swap b=6
After swap a=6
After swap b=5
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