How can I find the time complexity of an algorithm?
I have gone through Google and Stack Overflow search, but nowhere I was able to find a clear and straightforward explanation for how … Read more
complexity-theory
What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP, NP-Complete and NP-Hard? I am aware of many resources all over the web. I’d like to read … Read more
What is a plain English explanation of “Big O” notation?
I’d prefer as little formal definition as possible and simple mathematics. 4 43
Example of O(n!)?
Example of O(n!)?
HashMap get/put complexity
It depends on many things. It’s usually O(1), with a decent hash which itself is constant time… but you could have a hash which takes … Read more