> I need to understand this part in clear way if that is possible please
I see. I agree it is not perfectly clear, sorry about that.
Can you try to understand it with the branch and bound [wikipedia page](https://en.wikipedia.org/wiki/Branch_and_bound), [the slides](https://drive.google.com/file/d/0B6cGK503Ibt0Qlg3bUVKRnFBTG8/view) and [the code](https://github.com/maxdan94/HkS)?
If it is still not clear after that, please come back and I'll try to phrase a better explanation ASAP.
> I need to understand this part in clear way if that is possible please
I see. I agree it is not perfectly clear, sorry about that.
Can you try to understand it with the branch and bound [wikipedia page](https://en.wikipedia.org/wiki/Branch_and_bound), [the slides](https://drive.google.com/file/d/0B6cGK503Ibt0Qlg3bUVKRnFBTG8/view) and [the code](https://github.com/maxdan94/HkS)?
If it is still not clear after that, please come back and I'll try to phrase a better explanation ASAP.
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