#include <iostream>
using namespace std;
int main() {
int * p1 = 0;
int p2 = *p1;
cout << "&p2 != 0: " << (&p2 != 0) << endl;
cout << "*p1 = 1 : " << flush;
*p1 = 1;
cout << "ok" << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgKiBwMSA9IDA7CglpbnQgcDIgPSAqcDE7Cgljb3V0IDw8ICImcDIgIT0gMDogIiA8PCAoJnAyICE9IDApIDw8IGVuZGw7Cgljb3V0IDw8ICIqcDEgPSAxIDogIiA8PCBmbHVzaDsKCSpwMSA9IDE7Cgljb3V0IDw8ICJvayIgPDwgZW5kbDsKCXJldHVybiAwOwp9