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Task/Roman-numerals-Encode/PL-SQL/roman-numerals-encode.sql

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+/*****************************************************************
+ * $Author: Atanas Kebedjiev $
+ *****************************************************************
+ * Encoding an Arabic numeral to a Roman in the range 1..3999 is much simpler as Oracle provides the conversion formats.
+ * Please see also the SQL solution for the same task.
+ */
+
+CREATE OR REPLACE
+FUNCTION rencode(an IN NUMBER)
+  RETURN VARCHAR2
+IS
+BEGIN
+  RETURN to_char(an, 'RN');
+END rencode;
+
+BEGIN
+
+    DBMS_OUTPUT.PUT_LINE ('2012 = ' || rencode('2012'));     -- MMXII
+    DBMS_OUTPUT.PUT_LINE ('1951 = ' || rencode('1951'));     -- MCMLI
+    DBMS_OUTPUT.PUT_LINE ('1987 = ' || rencode('1987'));     -- MCMLXXXVII
+    DBMS_OUTPUT.PUT_LINE ('1666 = ' || rencode('1666'));     -- MDCLXVI
+    DBMS_OUTPUT.PUT_LINE ('1999 = ' || rencode('1999'));     -- MCMXCIX
+
+END;