46 lines
1.2 KiB
Text
46 lines
1.2 KiB
Text
import extensions;
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import system'collections;
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import system'routines;
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import system'culture;
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static RomanDictionary = Dictionary.new()
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.setAt("I".toChar(), 1)
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.setAt("V".toChar(), 5)
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.setAt("X".toChar(), 10)
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.setAt("L".toChar(), 50)
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.setAt("C".toChar(), 100)
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.setAt("D".toChar(), 500)
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.setAt("M".toChar(), 1000);
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extension op : String
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{
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toRomanInt()
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{
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var minus := 0;
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var s := self.toUpper();
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var total := 0;
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for(int i := 0; i < s.Length; i += 1)
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{
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var thisNumeral := RomanDictionary[s[i]] - minus;
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if (i >= s.Length - 1 || thisNumeral + minus >= RomanDictionary[s[i + 1]])
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{
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total += thisNumeral;
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minus := 0
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}
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else
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{
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minus := thisNumeral
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}
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};
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^ total
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}
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}
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public Program()
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{
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Console.printLine("MCMXC: ", "MCMXC".toRomanInt());
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Console.printLine("MMVIII: ", "MMVIII".toRomanInt());
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Console.printLine("MDCLXVI:", "MDCLXVI".toRomanInt())
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}
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