RosettaCodeData/Task/Combinations/Quackery/combinations-2.quackery
2023-07-01 13:44:08 -04:00

31 lines
923 B
Text

[ stack ] is comb.stack
[ stack ] is comb.items
[ stack ] is comb.required
[ stack ] is comb.result
[ 1 - comb.items put
1+ comb.required put
0 comb.stack put
[] comb.result put
[ comb.required share
comb.stack size = if
[ comb.result take
comb.stack behead
drop nested join
comb.result put ]
comb.stack take
dup comb.items share
= iff
[ drop
comb.stack size 1 > iff
[ 1 comb.stack tally ] ]
else
[ dup comb.stack put
1+ comb.stack put ]
comb.stack size 1 = until ]
comb.items release
comb.required release
comb.result take ] is comb ( n n --> )
3 5 comb
witheach [ witheach [ echo sp ] cr ]