aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Task/Partition-function-P/Prolog/partition-function-p.pro Normal file
View file

@ -0,0 +1,15 @@
/* SWI-Prolog 8.3.21 */
/* Author: Jan Burse */
:- table p/2.
p(0, 1) :- !.
p(N, X) :-
aggregate_all(sum(Z), (between(1,inf,K), M is K*(3*K-1)//2,
(M>N, !, fail; L is N-M, p(L,Y), Z is (-1)^K*Y)), A),
aggregate_all(sum(Z), (between(1,inf,K), M is K*(3*K+1)//2,
(M>N, !, fail; L is N-M, p(L,Y), Z is (-1)^K*Y)), B),
X is -A-B.
?- time(p(6666,X)).
% 13,962,294 inferences, 2.610 CPU in 2.743 seconds (95% CPU, 5350059 Lips)
X = 1936553061617076610800050733944860919984809503384
05932486880600467114423441282418165863.