All Questions
Tagged with algorithm-analysis data-structures
6 questions
4
votes
1
answer
1k
views
What is the most suitable data structure for IPv4 addresses with intersecting ranges?
Mostly in all routers and operating systems the Longest Prefix Match algorithm is used for searching the trie of IPv4 addresses.
Packet filters like Iptables don't need some special data structure for ...
- 99
2
votes
1
answer
2k
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Do we include output space in space complexity?
For example. I have a function which generates an array with random numbers.
int[] generateNum(int n) {
int[] result = new int[n];
/* Logic to generate random number */
...............
...
1
vote
1
answer
113
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Sorting method for music avoiding title and artist repetition
I'm looking for pseudocode suggestions for sorting my mp3 files in a way that avoids title and artist repetition. I listen to crooners - Frank Sinatra, Tony Bennett, Ella Fitzgerald etc. singing old ...
- 21
1
vote
3
answers
230
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How bad would be this algorithm that converts a string to a multiple precision number?
I've been developing a C++ library for multiple precision computations (integers/fixed point), assume positive numbers.
The class is something like:
class Integer {
public:
//constructor
//...
- 507
6
votes
5
answers
2k
views
Find the peak of each islands in sparse matrix
I have a sparse matrix that contains several islands of unknown size. I would like to find the highest peak of each islands. Consider this matrix as an example:
0 0 1 0 0 0 0
0 0 1 2 1 0 0
0 0 0 3 2 ...
- 161
1
vote
1
answer
2k
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Priority queue for Kruskal's algorithm with running time O(E lg V)
I'm reviewing my notes on Kruskal's algorithm and have a question about getting the runtime down to O(E lg V). By using a PQ with edges and a boolean array of which vertices we have added to our tree ...
- 1,012