big-o
How is the complexity of bucket sort is O(n+k) if we implement buckets using linked lists?
I am curious about why bucket sort has a runtime of O(n + k) if we use buckets implemented with linked lists.For example, suppose that we have this input:[详细]
2023-04-03 07:21 分类:问答What makes table lookups so cheap?
A while back, I learned a little bit about big O notation and the efficiency of different algorithms.[详细]
2023-04-02 16:49 分类:问答Solving the recurrence relation T(n) = √n T(√n) + n [closed]
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]
2023-04-02 11:52 分类:问答Am I right in thinking this snippet is O(n^3)?
collection.Where(i => i.condition) .ToList() .ForEach(i => SomeComplicatedOpInvolving_i); I\'m not looking for answers telling me there is an easier way of doing this, just treat it as a thoug[详细]
2023-04-02 05:36 分类:问答Improving stepping through an array twice (Nested loop on same array)
I have a large set of data that I want to cycle through in order to determine various statistics on the data set from a point in time \'D1\' to a point in time in the future \'D2\'. Basically, I want[详细]
2023-04-01 17:24 分类:问答Lowed bound for sorting by comparison
Today I was reading a great article from Julienne Walker about sorting - Eternally Confuzzled - The Art of Sorting and one thing caught my eye. I don\'t quite understand the part where the author prov[详细]
2023-04-01 09:19 分类:问答Efficient algorithm to determine if an alleged binary tree contains a cycle?
One of my favorite interview questions is In O(n) time and O(1) space, determine whether a linked list contains a cycle.[详细]
2023-03-29 21:24 分类:问答What are the rules for the "Ω(n log n) barrier" for sorting algorithms?
I wrote a simple program that sorts in O(n). It is highly memory inefficient, but that\'s not the point.[详细]
2023-03-29 19:06 分类:问答Relation of time complexity and space complexity
Can an algorithm having a time complexity of O(n) have a space complexity of O(n2) or more tha开发者_如何学Pythonn that?The space complexity cannot be more than the time complexity because writing X u[详细]
2023-03-29 17:15 分类:问答Big-O and equals sign, abuse of notation
Wikipedia says: The statement \"f(x) is O(g(x))\" as defined above is usually written as f(x) = O(g(x)). Some consider this to be an abuse of notation, since[详细]
2023-03-28 15:34 分类:问答