C++20:

#include <iostream>
using namespace std;

void update(int *a, int *b) {
    int c, d;
    
    c = *a + *b; // arithmetic operation according to challange
    d = abs(*a - *b); // arithmetic operation according to challange
    *a = c;
    *b = d;
}

int main() {
    int a, b;
    int *pa = &a, *pb = &b;
    
    cin >> a >> b;
    update(pa, pb);
    cout << a << endl;
    cout << b << endl;
    
    return 0;
}

• include

• include

• include

• include

• include

• using namespace std;
• int main() {
• int *a,*b;
• int c,d;
• cin >> c;
• cin >> d;
• *a = c;
• *b = d;
• int a0 = *a + *b;
• int b0 = *a - *b;
• cout << a0 << endl;
• cout << abs(b0) << endl;
• return 0;
• }
*

include

include

using namespace std;

void update(int a,int b) { // Complete this function int c=a+b; int d; if(a>b){ d=a-b; }else{ d=b-a; } cout<

int main() { int a, b; cin>>a>>b; update(a,b); return 0; }

include

include

using namespace std;

void update(int a,int b) { // Complete this function int c=a+b; int d; if(a>b){ d=a-b; }else{ d=b-a; } cout<

int main() { int a, b; cin>>a>>b; update(a,b); return 0; }

include

include

void update(int *a,int *b) { int c = *a + *b; *b = abs(*a - *b); *a = c;

}

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;

}