Question

What is the use of the set() function in bitset?

(a) Used to make alternate bits zero

(b) Used to make a bit 0 in a bitset

(c) Used to make all bits zero

(d) Used to set bit(s) in a bitset

I had been asked this question by my school principal while I was bunking the class.

This intriguing question comes from Bitset in section Class Hierarchies, Library & Containers of C++

Answer 1

Correct choice is (d) Used to set bit(s) in a bitset

The explanation: <bitset> header provides the set() function to set bit(s) to 1 in a bitset variable.