Search Results
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 |
A busy beaver maximises some property of the computation model (e.g. execution time, memory usage, output length) subject to the constraint that it must halt.
17
votes
Golf a number bigger than TREE(3)
Python 2, 194 bytes, ~ Hψ(ΩΩΩ)(9)
where H is the Hardy hierarchy, and ψ is the ordinal collapsing function below the Bachmann-Howard ordinal defined by Pohlers.
Thanks to Jonathan Frech for -3 bytes …
6
votes
Golf a number bigger than TREE(3)
Ruby, 140 bytes, ~ Hψ(ΩΩΩ)(81)
where H is the Hardy hierarchy, and ψ is the standard ordinal collapsing function below the Bachmann-Howard ordinal, as defined here.
s=->t{*v,u=t;t==1?[]:v<<s[u]}
r=- …