Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 32

For challenges with a restriction placed on the amount of memory that can be allocated. This can be through direct limits (e.g. 64 bytes) or through big-O-notation (e.g. O(n log(n))).

8 votes

Fastest way to sort a big array of Gaussian-distributed data

Here is another sequential solution: #include <stdio.h> #include <stdlib.h> #include <algorithm> #include <ctime> typedef unsigned long long ull; int size; double *dbuf, *copy; int cnt[8][1 << 16]; …
Alexandru's user avatar
  • 6,130
2 votes

Fastest way to sort a big array of Gaussian-distributed data

Here is another sequential solution. This one uses the fact that the elements are normal distributed, and the I think the idea is generally applicable to get sorting close to linear time. The algorit …
Alexandru's user avatar
  • 6,130