What is wrong with this block of code?

int *p1 = new int; //line 1

int *p2; //line 2

*p2 = 4; //line 3

p1 = p2; //line 4 cout << p1 << p2 << endl; //line 5

a. The p2 pointer is not instantiated with the new operator before accessing its memory location on line 3.

b. The p1 pointer is incorrectly instantiated with the new operator before accessing its memory location on line 1. Parentheses are missing from this statement.

c. None of the above.

d. There are no errors in this block of code. A pointer assignment to set the address of a pointer cannot be done with an integer value on line 3.