2
votes
5answers
254 views

Simplicity-efficiency tradeoff

The CTO called to inform me of a new project and in the process told me that my code is weird. He explained that my colleagues find it difficult to understand due to the overly complex, often new ...
11
votes
3answers
571 views

Do teams get more productive by adding more developers? [duplicate]

Suppose you've got a project that is running late. Is there any proof or argument that teams become much more productive by adding more people? I am looking for answers that can be supported by facts ...
8
votes
1answer
594 views

Subset sum problem is NP-complete?

If I know correctly, subset sum problem is NP-complete. Here you have an array of n integers and you are given a target sum t, you have to return the numbers from the array which can sum up to the ...
2
votes
2answers
419 views

How do we know if a problem is hardest in NP

I read that the definition of NP-complete is : These are the hardest problems in NP. Such a problem is NP-hard and in NP How do we know if a problem is hardest in NP, and no harder problem ...
6
votes
3answers
241 views

NP hard/complete

I have never been very clear on this concept. Please help: At the end of the day, we should want to identify useful problems for which we don't have polynomial solution so far and only have ...