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Add bits counter function.

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Oleksii Trekhleb
2018-08-13 18:06:48 +03:00
parent 3c37ba4424
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src/algorithms/math/bits/README.md
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@@ -143,6 +143,19 @@ Count of Bits to be Flipped: 1
> See `bitsDiff` function for further details.
#### Count Bits of a Number
To calculate the number of valuable bits we need to shift `1` one bit left each
time and see if shifted number is bigger than the input number.
```
5 = 0b0101
Count of valuable bits is: 3
When we shift 1 four times it will become bigger than 5.
```
> See `bitsDiff` function for further details.
## References
- [Bit Manipulation on YouTube](https://www.youtube.com/watch?v=NLKQEOgBAnw&t=0s&index=28&list=PLLXdhg_r2hKA7DPDsunoDZ-Z769jWn4R8)