Blind 75 - Number of 1 Bits
Check if the last bit is 1 by (n&1). Do the right unsigned shift (logical shift >>>). Loop.
Tag: bit-manipulation
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Blind 75 - Reverse Bits
Get the last bit of value from the original. append to the reverse one. shift reverse one to the left. instead of adding, you can do `or` because after the shift last value will be 0. Imp - iterate 32 times only.