C++ MQCs with Explanation (CHAPTER 3: TOKENS, EXPRESSIONS AND CONTRAL STRUCTURES)

Which of the following statements is invalid?

1. int p = new int ;
2. int *p = new int ;
3. int *p = new int [10] ;
4. int *p = new int [m] [10] ;

---

Answer: 

Option a: int p = new int ;

---

Explanation Here