Data commit

Task/Roman-numerals-Decode/Nanoquery/roman-numerals-decode.nanoquery

@@ -0,0 +1,39 @@
+def decodeSingle(letter)
+	if letter = "M"
+		return 1000
+	else if letter = "D"
+		return 500
+	else if letter =  "C"
+		return 100
+	else if letter = "L"
+		return 50
+	else if letter = "X"
+		return 10
+	else if letter = "V"
+		return 5
+	else if letter = "I"
+		return 1
+	else
+		return 0
+	end
+end
+
+def decode(roman)
+	result = 0
+	uRoman = roman.toUpperCase()
+	
+	for (i = 0) (i < len(uRoman) - 1) (i += 1)
+		if decodeSingle(uRoman[i]) < decodeSingle(uRoman[i + 1])
+			result -= decodeSingle(uRoman[i])
+		else
+			result += decodeSingle(uRoman[i])
+		end
+	end
+	
+	result += decodeSingle(uRoman[len(uRoman) - 1])
+	return result
+end
+
+println decode("MCMXC")
+println decode("MMVIII")
+println decode("MDCLXVI")