Read OnLine Cpp Program Example

  



POINTER
PRAC 1 PRAC 2
//wap to print swaping of a two number
#include<iostream.h>
#include<conio.h>
void main()
{
int a,b,c;
clrscr();
a=5;
b=6;
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;
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 main()
{
int a,b,c;
clrscr();
a=5;
b=6;
cout<<"\n Before swap a="<<a;
cout<<"\n Before swap b="<<b;
a=a+b;
b=a-b;
a=a-b;
cout<<"\n After swap a="<<a;
cout<<"\n After swap b="<<b;
getch();
}
--------output--------
Before swap a=5
Before swap b=6
After swap a=6
After swap b=5
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