python-leetcode-整数转罗马数字

12. 整数转罗马数字 - 力扣（LeetCode）

class Solution:
    def intToRoman(self, num: int) -> str:
        # 罗马数字映射表
        roman_map = [
            (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")
        ]
        
        # 初始化结果字符串
        roman = ""
        
        # 遍历映射表
        for value, symbol in roman_map:
            if num == 0:
                break
            # 将当前数值尽可能多地减去
            count = num // value
            roman += symbol * count
            num %= value
        
        return roman