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Roman numerals/Decode: Difference between revisions
→{{header|Euphoria}}: Euphoria example added
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Line 152:
assert(toArabic("MDCLXVI") == 1666);
}</lang>
=={{header|Euphoria}}==
{{trans|PureBasic}}
<lang euphoria>constant symbols = "MDCLXVI", weights = {1000,500,100,50,10,5,1}
function romanDec(sequence roman)
integer n, lastval, arabic
lastval = 0
arabic = 0
for i = length(roman) to 1 by -1 do
n = find(roman[i],symbols)
if n then
n = weights[n]
end if
if n < lastval then
arabic -= n
else
arabic += n
end if
lastval = n
end for
return arabic
end function
? romanDec("MCMXCIX")
? romanDec("MDCLXVI")
? romanDec("XXV")
? romanDec("CMLIV")
? romanDec("MMXI")</lang>
Output:
<pre>1999
1666
25
954
2011</pre>
=={{header|Fortran}}==
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