2016 Update

Task/Roman-numerals-Encode/Kotlin/roman-numerals-encode.kotlin

@@ -0,0 +1,36 @@
+val romanNumerals = mapOf(
+    1000 to "M",
+    900 to "CM",
+    500 to "D",
+    400 to "CD",
+    100 to "C",
+    90 to "XC",
+    50 to "L",
+    40 to "XL",
+    10 to "X",
+    9 to "IX",
+    5 to "V",
+    4 to "IV",
+    1 to "I"
+)
+
+fun encode(number: Int): String? {
+    if (number > 5000 || number < 1) {
+        return null
+    }
+    var num = number
+    val buffer = StringBuffer()
+    for ((multiple, numeral) in romanNumerals) {
+        while (num >= multiple) {
+            num -= multiple
+            buffer.append(numeral)
+        }
+    }
+    return buffer.toString()
+}
+
+fun main(args: Array<String>) {
+    println(encode(1990))
+    println(encode(1666))
+    println(encode(2008))
+}