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

tasks a-s

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Task/Power-set/Factor/power-set-1.factor Normal file
View file

@ -0,0 +1,5 @@
USING: kernel prettyprint sequences arrays sets hash-sets ;
IN: powerset
: add ( set elt -- newset ) 1array <hash-set> union ;
: powerset ( set -- newset ) members { HS{ } } [ dupd [ add ] curry map append ] reduce <hash-set> ;

19
Task/Power-set/Factor/power-set-2.factor Normal file
View file

@ -0,0 +1,19 @@
( scratchpad ) HS{ 1 2 3 4 } powerset .
HS{
HS{ 1 2 3 4 }
HS{ 1 2 }
HS{ 1 3 }
HS{ 2 3 }
HS{ 1 2 3 }
HS{ 1 4 }
HS{ 2 4 }
HS{ }
HS{ 1 }
HS{ 2 }
HS{ 3 }
HS{ 4 }
HS{ 1 2 4 }
HS{ 3 4 }
HS{ 1 3 4 }
HS{ 2 3 4 }
}