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Tina Müller 2016-12-05 23:44:36 +01:00
parent 9dc3c2bb62
commit bba7bfd280
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31
Task/Roman-numerals-Encode/Ceylon/roman-numerals-encode.ceylon Normal file
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shared void run() {
class Numeral(shared Character char, shared Integer int) {}
value tiers = [
[Numeral('I', 1), Numeral('V', 5), Numeral('X', 10)],
[Numeral('X', 10), Numeral('L', 50), Numeral('C', 100)],
[Numeral('C', 100), Numeral('D', 500), Numeral('M', 1k)]
];
String toRoman(Integer hindu, Integer power = 2) {
assert(exists tier = tiers[power]);
if(hindu <= 0) {
return "";
} else if(exists num = tier.rest.find((Numeral elem) => elem.int - tier.first.int <= hindu < elem.int)) {
return "``tier.first.char````num.char````toRoman(hindu - (num.int - tier.first.int), power)``";
} else if(exists num = tier.reversed.find((Numeral elem) => hindu >= elem.int)) {
return "``num.char````toRoman(hindu - num.int, power)``";
} else {
return toRoman(hindu, power - 1);
}
}
assert(toRoman(1) == "I");
assert(toRoman(2) == "II");
assert(toRoman(4) == "IV");
assert(toRoman(1666) == "MDCLXVI");
assert(toRoman(1990) == "MCMXC");
assert(toRoman(2008) == "MMVIII");
}

25
Task/Roman-numerals-Encode/ECL/roman-numerals-encode.ecl Normal file
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RomanEncode(UNSIGNED Int) := FUNCTION
SetWeights := [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1];
SetSymbols := ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I'];
ProcessRec := RECORD
UNSIGNED val;
STRING Roman;
END;
dsWeights := DATASET(13,TRANSFORM(ProcessRec,SELF.val := Int, SELF := []));
SymbolStr(i,n,STRING s) := CHOOSE(n+1,'',SetSymbols[i],SetSymbols[i]+SetSymbols[i],SetSymbols[i]+SetSymbols[i]+SetSymbols[i],s);
RECORDOF(dsWeights) XF(dsWeights L, dsWeights R, INTEGER C) := TRANSFORM
ThisVal := IF(C=1,R.Val,L.Val);
IsDone := ThisVal = 0;
SELF.Roman := IF(IsDone,L.Roman,L.Roman + SymbolStr(C,ThisVal DIV SetWeights[C],L.Roman));
SELF.val := IF(IsDone,0,ThisVal - ((ThisVal DIV SetWeights[C])*SetWeights[C]));
END;
i := ITERATE(dsWeights,XF(LEFT,RIGHT,COUNTER));
RETURN i[13].Roman;
END;
RomanEncode(1954); //MCMLIV
RomanEncode(1990 ); //MCMXC
RomanEncode(2008 ); //MMVIII
RomanEncode(1666); //MDCLXVI

25
Task/Roman-numerals-Encode/ERRE/roman-numerals-encode.erre Normal file
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PROGRAM ARAB2ROMAN
DIM ARABIC%[12],ROMAN$[12]
PROCEDURE TOROMAN(VALUE->ANS$)
LOCAL RESULT$
FOR I%=0 TO 12 DO
WHILE VALUE>=ARABIC%[I%] DO
RESULT$+=ROMAN$[I%]
VALUE-=ARABIC%[I%]
END WHILE
END FOR
ANS$=RESULT$
END PROCEDURE
BEGIN
!
!Testing
!
ARABIC%[]=(1000,900,500,400,100,90,50,40,10,9,5,4,1)
ROMAN$[]=("M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I")
TOROMAN(2009->ANS$) PRINT("2009 = ";ANS$)
TOROMAN(1666->ANS$) PRINT("1666 = ";ANS$)
TOROMAN(3888->ANS$) PRINT("3888 = ";ANS$)
END PROGRAM

31
Task/Roman-numerals-Encode/FreeBASIC/roman-numerals-encode.freebasic Normal file
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' FB 1.05.0 Win64
Function romanEncode(n As Integer) As String
If n < 1 OrElse n > 3999 Then Return "" '' can only encode numbers in range 1 to 3999
Dim roman1(0 To 2) As String = {"MMM", "MM", "M"}
Dim roman2(0 To 8) As String = {"CM", "DCCC", "DCC", "DC", "D", "CD", "CCC", "CC", "C"}
Dim roman3(0 To 8) As String = {"XC", "LXXX", "LXX", "LX", "L", "XL", "XXX", "XX", "X"}
Dim roman4(0 To 8) As String = {"IX", "VIII", "VII", "VI", "V", "IV", "III", "II", "I"}
Dim As Integer thousands, hundreds, tens, units
thousands = n \ 1000
n Mod= 1000
hundreds = n \ 100
n Mod= 100
tens = n \ 10
units = n Mod 10
Dim roman As String = ""
If thousands > 0 Then roman += roman1(3 - thousands)
If hundreds > 0 Then roman += roman2(9 - hundreds)
If tens > 0 Then roman += roman3(9 - tens)
If units > 0 Then roman += roman4(9 - units)
Return roman
End Function
Dim a(2) As Integer = {1990, 2008, 1666}
For i As Integer = 0 To 2
Print a(i); " => "; romanEncode(a(i))
Next
Print
Print "Press any key to quit"
Sleep

34
Task/Roman-numerals-Encode/FutureBasic/roman-numerals-encode.futurebasic Normal file
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include "ConsoleWindow"
local fn DecimaltoRoman( decimal as short ) as Str15
dim as short arabic(12)
dim as Str15 roman(12)
dim as long i
dim as Str15 result : result = ""
arabic(0) = 1000 : arabic(1) = 900 : arabic(2) = 500 : arabic(3) = 400
arabic(4) = 100 : arabic(5) = 90 : arabic(6) = 50 : arabic(7) = 40
arabic(8) = 10 : arabic(9) = 9 : arabic(10) = 5 : arabic(11) = 4: arabic(12) = 1
roman(0) = "M" : roman(1) = "CM" : roman(2) = "D" : roman(3) = "CD"
roman(4) = "C" : roman(5) = "XC" : roman(6) = "L" : roman(7) = "XL"
roman(8) = "X" : roman(9) = "IX" : roman(10) = "V" : roman(11) = "IV" : roman(12) = "I"
for i = 0 to 12
while ( decimal >= arabic(i) )
result = result + roman(i)
decimal = decimal - arabic(i)
wend
next i
if result == "" then result = "Zepherium"
end fn = result
print "1990 = "; fn DecimaltoRoman( 1990 )
print "2008 = "; fn DecimaltoRoman( 2008 )
print "2016 = "; fn DecimaltoRoman( 2016 )
print "1666 = "; fn DecimaltoRoman( 1666 )
print "3888 = "; fn DecimaltoRoman( 3888 )
print "1914 = "; fn DecimaltoRoman( 1914 )
print "1000 = "; fn DecimaltoRoman( 1000 )
print " 513 = "; fn DecimaltoRoman( 513 )
print " 33 = "; fn DecimaltoRoman( 33 )

19
Task/Roman-numerals-Encode/Lasso/roman-numerals-encode.lasso Normal file
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define br => '\r'
// encode roman
define encodeRoman(num::integer)::string => {
local(ref = array('M'=1000, 'CM'=900, 'D'=500, 'CD'=400, 'C'=100, 'XC'=90, 'L'=50, 'XL'=40, 'X'=10, 'IX'=9, 'V'=5, 'IV'=4, 'I'=1))
local(out = string)
with i in #ref do => {
while(#num >= #i->second) => {
#out->append(#i->first)
#num -= #i->second
}
}
return #out
}
'1990 in roman is '+encodeRoman(1990)
br
'2008 in roman is '+encodeRoman(2008)
br
'1666 in roman is '+encodeRoman(1666)

22
Task/Roman-numerals-Encode/LiveCode/roman-numerals-encode.livecode Normal file
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function toRoman intNum
local roman,numArabic
put "M,CM,D,CD,C,XC,L,XL,X,IX,V,IV,I" into romans
put "1000,900,500,400,100,90,50,40,10,9,5,4,1" into arabics
put intNum into numArabic
repeat with n = 1 to the number of items of romans
put numArabic div item n of arabics into nums
if nums > 0 then
put repeatChar(item n of romans,nums) after roman
add -(nums * item n of arabics) to numArabic
end if
end repeat
return roman
end toRoman
function repeatChar c n
local cc
repeat n times
put c after cc
end repeat
return cc
end repeatChar

17
Task/Roman-numerals-Encode/Nim/roman-numerals-encode.nim Normal file
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import strutils
const nums = [(1000, "M"), (900, "CM"), (500, "D"), (400, "CD"), (100, "C"), (90, "XC"),
(50, "L"), (40, "XL"), (10, "X"), (9, "IX"), (5, "V"), (4, "IV"), (1, "I")]
proc toRoman(x): string =
var x = x
result = ""
for a,r in items(nums):
result.add(repeatStr(x div a, r))
x = x mod a
for i in [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,25,30,40,
50,60,69,70,80,90,99,100,200,300,400,500,600,666,700,800,900,
1000,1009,1444,1666,1945,1997,1999,2000,2008,2010,2011,2500,
3000,3999]:
echo toRoman(i)

6
Task/Roman-numerals-Encode/Oforth/roman-numerals-encode.oforth Normal file
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[ [1000,"M"], [900,"CM"], [500,"D"], [400,"CD"], [100,"C"], [90,"XC"], [50,"L"], [40,"XL"], [10,"X"], [9,"IX"], [5,"V"], [4,"IV"], [1,"I"] ] const: Romans
: roman(n)
| r |
StringBuffer new
Romans forEach: r [ while(r first n <=) [ r second << n r first - ->n ] ] ;

5
Task/Roman-numerals-Encode/Peloton/roman-numerals-encode-1.peloton Normal file
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<@ DEFUDOLITLIT>_RO|__Transformer|<@ DEFKEYPAR>__NationalNumericID|2</@><@ LETRESCS%NNMPAR>...|1</@></@>
<@ ENU$$DLSTLITLIT>1990,2008,1,2,64,124,1666,10001|,|
<@ SAYELTLST>...</@> is <@ SAY_ROELTLSTLIT>...|RomanLowerUnicode</@> <@ SAY_ROELTLSTLIT>...|RomanUpperUnicode</@> <@ SAY_ROELTLSTLIT>...|RomanASCII</@>
</@>

5
Task/Roman-numerals-Encode/Peloton/roman-numerals-encode-2.peloton Normal file
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<# DEFINE USERDEFINEDOPCODE LITERAL LITERAL>_RO|__Transformer|<# DEFINE KEYWORD PARAMETER>__NationalNumericID|2</#><# LET RESULT CAST NATIONALNUMBER PARAMETER>...|1</#></#>
<# ENUMERATION LAMBDASPECIFIEDDELMITER LIST LITERAL LITERAL>1990,2008,1,2,64,124,1666,10001|,|
<# SAY ELEMENT LIST>...</#> is <# SAY _RO ELEMENT LIST LITERAL>...|RomanLowerUnicode</#> <# SAY _RO ELEMENT LIST LITERAL>...|RomanUpperUnicode</#> <# SAY _RO ELEMENT LIST LITERAL>...|RomanASCII</#>
</#>

13
Task/Roman-numerals-Encode/Phix/roman-numerals-encode.phix Normal file
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constant roman = {"M", "CM", "D","CD", "C","XC","L","XL","X","IX","V","IV","I"}
constant decml = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 }
function toRoman(integer val)
string res = ""
for i=1 to length(roman) do
while val>=decml[i] do
res &= roman[i]
val -= decml[i]
end while
end for
return res
end function

9
Task/Roman-numerals-Encode/Red/roman-numerals-encode-1.red Normal file
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table: [1000 M 900 CM 500 D 400 CD 100 C 90 XC 50 L 40 XL 10 X 5 V 4 IV 1 I]
to-Roman: function [n [integer!] return: [string!]][
out: copy ""
foreach [a r] table [while [n >= a][append out r n: n - a]]
out
]
foreach number [40 33 1888 2016][print [number ":" to-Roman number]]

11
Task/Roman-numerals-Encode/Red/roman-numerals-encode-2.red Normal file
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table: [1000 M 900 CM 500 D 400 CD 100 C 90 XC 50 L 40 XL 10 X 5 V 4 IV 1 I]
to-Roman: func [n [integer!] return: [string!]][
case [
tail? table [table: head table copy ""]
table/1 > n [table: skip table 2 to-Roman n]
'else [append copy form table/2 to-Roman n - table/1]
]
]
foreach number [40 33 1888 2016][print [number ":" to-Roman number]]

9
Task/Roman-numerals-Encode/Red/roman-numerals-encode-3.red Normal file
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to-Roman: function [n [integer!]] reduce [
'case collect [
foreach [a r] [1000 M 900 CM 500 D 400 CD 100 C 90 XC 50 L 40 XL 10 X 9 IX 5 V 4 IV 1 I][
keep compose/deep [n >= (a) [append copy (form r) any [to-Roman n - (a) copy ""]]]
]
]
]
foreach number [40 33 1888 2016][print [number ":" to-Roman number]]

16
Task/Roman-numerals-Encode/Ring/roman-numerals-encode.ring Normal file
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arabic = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
roman = ["M", "CM", "D", "CD", "C" ,"XC", "L", "XL" ,"X", "IX", "V", "IV", "I"]
see "2009 = " + toRoman(2009) + nl
see "1666 = " + toRoman(1666) + nl
see "3888 = " + toRoman(3888) + nl
func toRoman val
result = ""
for i = 1 to 13
while val >= arabic[i]
result = result + roman[i]
val = val - arabic[i]
end
next
return result

19
Task/Roman-numerals-Encode/Sidef/roman-numerals-encode.sidef Normal file
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func arabic2roman(num, roman='') {
static lookup = [
:M:1000, :CM:900, :D:500,
:CD:400, :C:100, :XC:90,
:L:50, :XL:40, :X:10,
:IX:9, :V:5, :IV:4,
:I:1
];
lookup.each { |pair|
while (num >= pair.second) {
roman += pair.first;
num -= pair.second;
}
}
return roman;
}
say("1990 in roman is " + arabic2roman(1990));
say("2008 in roman is " + arabic2roman(2008));
say("1666 in roman is " + arabic2roman(1666));

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Task/Roman-numerals-Encode/Swift/roman-numerals-encode-1.swift Normal file
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func ator(var n: Int) -> String {
var result = ""
for (value, letter) in
[( 1000, "M"),
( 900, "CM"),
( 500, "D"),
( 400, "CD"),
( 100, "C"),
( 90, "XC"),
( 50, "L"),
( 40, "XL"),
( 10, "X"),
( 9, "IX"),
( 5, "V"),
( 4, "IV"),
( 1, "I")]
{
while n >= value {
result += letter
n -= value
}
}
return result
}

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Task/Roman-numerals-Encode/Swift/roman-numerals-encode-2.swift Normal file
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println(ator(1666)) // MDCLXVI

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Task/Roman-numerals-Encode/Swift/roman-numerals-encode-3.swift Normal file
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print(ator(1666)) // MDCLXVI

12
Task/Roman-numerals-Encode/XLISP/roman-numerals-encode.xlisp Normal file
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(defun roman (n)
(define roman-numerals '((1000 "m") (900 "cm") (500 "d") (400 "cd") (100 "c") (90 "xc") (50 "l") (40 "xl") (10 "x") (9 "ix") (5 "v") (4 "iv") (1 "i")))
(defun romanize (arabic-numeral numerals roman-numeral)
(if (= arabic-numeral 0)
roman-numeral
(if (>= arabic-numeral (caar numerals))
(romanize (- arabic-numeral (caar numerals)) numerals (string-append roman-numeral (cadar numerals)))
(romanize arabic-numeral (cdr numerals) roman-numeral))))
(romanize n roman-numerals ""))
; test the function:
(display (mapcar roman '(10 2016 800 2769 1666 476 1453)))