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

3
Task/Roman-numerals-Encode/Factor/roman-numerals-encode-1.factor Normal file
View file

@ -0,0 +1,3 @@
USE: roman
( scratchpad ) 3333 >roman .
"mmmcccxxxiii"

16
Task/Roman-numerals-Encode/Factor/roman-numerals-encode-2.factor Normal file
View file

@ -0,0 +1,16 @@
CONSTANT: roman-digits
{ "m" "cm" "d" "cd" "c" "xc" "l" "xl" "x" "ix" "v" "iv" "i" }
CONSTANT: roman-values
{ 1000 900 500 400 100 90 50 40 10 9 5 4 1 }
ERROR: roman-range-error n ;
: roman-range-check ( n -- n )
dup 1 10000 between? [ roman-range-error ] unless ;
: >roman ( n -- str )
roman-range-check
roman-values roman-digits [
[ /mod swap ] dip <repetition> concat
] 2map "" concat-as nip ;