#include <stdio.h> /* printf */
#include <stdlib.h> /* abs */
int main ()
{
int n,m;
n=abs(23);
m=abs(-11);
printf ("n=%d\n",n);
printf ("m=%d\n",m);
return 0;
}#include<iostream>
#include<cstdlib>
using namespace std;
int main()
{
int fyear; //for first year
int ayear; //for second year
int diff; //to find the difference
cout<<"Please Enter the first year: ";
cin>>fyear;
cout<<"Please Enter the Second year: ";
cin>>ayear;
diff=ayear-fyear; //basically its the formula to get the difference between the years
cout<<"The difference between the years is: "<<diff;
diff=abs(diff); //to get absolute difference it converts any negative number into positive
cout<<"\nThe difference between the years is: "<<diff;
}