#include <iostream>
using namespace std;
int main() {
long long a[2] { 100, 200 };
long long *b = &a[0];
cout << "b: " << b << endl;
cout << "some op on b: " << (long long)b * 100 << endl;
cout << "some op on *b: " << *b * 100 << endl;
cout << "some op on a[1]: " << ++a[1] << endl;
cout << "*(b + 1): " << *(b + 1) << endl;
}
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