#include<stdio.h>
#include<conio.h>
#include<iostream.h>
#include<math.h>
void main()
{
int n,a;
clrscr();
cout<<"Enter number = ";
cin>>n;
a=abs(n);
cout<<"\nAbsolute("<<n<<") = " <<a;
getch();
}
////////////////////////////////////////////
Copy & paste this code in your TC & run, then you will get output.......
If you have any problem please comment below.........