[HackerRank] Pointer - Easy

https://www.hackerrank.com/challenges/c-tutorial-pointer/problem

Pointer | HackerRank

#include <stdio.h>
#include <cstdlib>
void update(int *a,int *b) {
    // Complete this function 
    int sum,minus;
    sum= *a+*b;
    minus = *a-*b;
    *a=sum;
    *b=abs(minus);
}

int main() {
    int a, b;
    int *pa = &a, *pb = &b;
    
    scanf("%d %d", &a, &b);
    update(pa, pb);
    printf("%d\n%d", a, b);

    return 0;
}