Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:20:14: error: ‘p2’ was not declared in this scope for (i=0,p2=1<<30;p2>0;p2/=2) ^ user.cpp:21:19: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ if (five(i+div2)<p) ^ user.cpp:3:5: error: in passing argument 1 of ‘int five(int&)’ int five(int &n) ^ user.cpp:23:15: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ if (five(i+1)==p) ^ user.cpp:3:5: error: in passing argument 1 of ‘int five(int&)’ int five(int &n) ^