Pointers in C | HackerRank

Problem Link : Pointers in C

Solution :
      Develop by Samsus Salehin Sabbir 

1. #include <stdio.h>
2. 
   
3. void update(int *a,int *b) {
4.     // Complete this function
5.     int temp = *a;
6.     *a = (*(a))+(*(b));
7.     *b = abs(temp-(*(b)));
8.     //return temp,temp2; //no need to return beacouse auto return same address 
9. }
10. 
    
11. int main() {
12.     int a, b;
13.     int *pa = &a, *pb = &b; // create pointer and store address
14.     
15.     scanf("%d %d", &a, &b);
16.     update(pa, pb); // passing address 
17.     printf("%d\n%d\n", a, b); // 
18. 
    
19.     return 0;
20. }