Add bit counter function.

This commit is contained in:
Oleksii Trekhleb 2018-08-12 10:18:32 +03:00
parent 9ce137cef8
commit 37c7be15e9

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@ -122,10 +122,10 @@ This method counts the number of set bits in a number using bitwise operators.
The main idea is that we shift the number right by one bit at a time and check
the result of `&` operation that is `1` if bit is set and `0` otherwise.
``
```text
Number: 5 = 0b0101
Count of set bits = 2
``
```
> See `countSetBits` function for further details.