All Questions
5 questions
0
votes
1
answer
2k
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Efficient way to find Xor of pairs with given target X in a range 0 to K
I came across a problem: given an array (can be huge 10^8) and an integer, K, find the count of pairs in the array whose Xor equal to each value in the range 0 to K.
eg:
Arr = 1 2 3
K = 2
since K=...
- 101
-3
votes
2
answers
650
views
Which data-structure or programming technique to use when?
While studying for Data structures and Algorithms, I noticed that there is a pattern/group in which every question falls into.
Example - Given this, do/find that - Category 1. use these methods/...
- 15
-1
votes
1
answer
332
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Modelling research paper data in JSON
I need to design an UI to edit a research paper, I don't have enough knowledge about the research domain but still I tried to do my best and thought to design a normalized schema. I am describing the ...
- 2,186
-2
votes
1
answer
772
views
Considerations when making data structure and algorithm choices [closed]
What are some reasons you may choose a worse runtime algorithm? And what are some advantages of a linked list vs a hash table/array where access is constant time.
- 99
11
votes
4
answers
7k
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What are the differences between algorithms using data structures and algorithms using databases?
The General Question
What are the differences between algorithms using data structures and algorithms using databases?
Some Context
This is a question that has been bugging me for some time, and I ...