Write a statement or expression that performs each of the following bitset tasks:
a) Write a declaration that creates bitset flags of size size, in which every bit is initially 0.
b) Write a statement that sets bit bitNumber of bitset flags "off."
c) Write a statement that returns a reference to the bit bitNumber of bitset flags.
d) Write an expression that returns the number of bits that are set in bitset flags.
e) Write an expression that returns true if all of the bits are set in bitset flags.
f) Write an expression that compares bitsets flags and otherFlags for inequality.
g) Write an expression that shifts the bits in bitset flags left by n positions.