Question

What is the size of wchar_t in C++?

(a) 2

(b) 4

(c) 2 or 4

(d) Based on the number of bits in the system

This question was posed to me in an international level competition.

This intriguing question comes from Types in section Types, Pointers, Arrays & Structures in C++ of C++

Answer 1

Correct answer is (d) Based on the number of bits in the system

The explanation is: Compiler wants to make CPU as more efficient in accessing the next value.