Merge pull request #2 from codewithme-py/feat/integer-to-roman-0012

feat: Integer to Roman (#12)

Author: codewithme-py

solutions/integer_to_roman_0012.py

@@ -0,0 +1,12 @@
+class Solution:
+    def intToRoman(self, num: int) -> str:
+        roman_pairs = [
+            (1000, 'M'), (900, 'CM'), (500, 'D'), (400, 'CD'), (100, 'C'),
+            (90, 'XC'), (50, 'L'), (40, 'XL'), (10, 'X'),
+            (9, 'IX'), (5, 'V'), (4, 'IV'), (1, 'I')
+        ]
+        result = []
+        for value, symbol in roman_pairs:
+            count, num = divmod(num, value)
+            result.append(symbol * count)
+        return ''.join(result)

tests/test_integer_to_roman_0012.py

@@ -0,0 +1,15 @@
+from solutions.integer_to_roman_0012 import Solution
+
+def test_int_to_roman():
+    sol = Solution()
+    assert sol.intToRoman(3749) == "MMMDCCXLIX"
+    assert sol.intToRoman(58) == "LVIII"
+    assert sol.intToRoman(1994) == "MCMXCIV"
+    assert sol.intToRoman(1) == "I"
+    assert sol.intToRoman(4) == "IV"
+    assert sol.intToRoman(9) == "IX"
+    assert sol.intToRoman(40) == "XL"
+    assert sol.intToRoman(90) == "XC"
+    assert sol.intToRoman(400) == "CD"
+    assert sol.intToRoman(900) == "CM"
+    assert sol.intToRoman(3999) == "MMMCMXCIX"