feat: integer-to-roman

Author: junbinding

str.integer-to-roman.py

@@ -0,0 +1,24 @@
+class Solution:
+    """
+    12. 整数转罗马数字
+    https://leetcode-cn.com/problems/integer-to-roman/
+    罗马数字包含以下七种字符： I， V， X， L，C，D 和 M。
+    给定一个整数，将其转为罗马数字。输入确保在 1 到 3999 的范围内。
+    """
+    def intToRoman(self, num: int) -> str:
+        nums = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
+        romans = ["M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"]
+        index = 0
+        res = ''
+        while index < 13:
+            if num >= nums[index]:
+                res += romans[index]
+                num -= nums[index]
+            else:
+                index += 1
+
+        return res
+
+
+so = Solution()
+print(so.intToRoman(58))