What is (x & 1) and (x >>= 1)?

Question

I am trying to do assignment: \"Find the number of bits in an unsigned integer data type without using the sizeof() function.\"

And my design is to convert the integ

Answer 1

x & 1 is equivalent to x % 2.

x >> 1 is equivalent to x / 2

So, these things are basically the result and remainder of divide by two.