how do i make this code display the answer in positive (+) even if the answer is in negative.

Question

#include <iostream>
using namespace std;

int a=4;
int b=10;
cout<<a-b; // I know the real answer is -6 but I want the answer displayed in positive(+). How do I do it?//

Answer 1

#include <cmath>

cout<<abs(a-b);

Answer 2

cout <<abs (a-b)
import cmath file