Leetcode题库——12.整数转罗马数字

---

@author: ZZQ
@software: PyCharm
@file: intToRoman.py
@time: 2018/9/28 21:59
要求：
字符 数值
I 1
V 5
X 10
L 50
C 100
D 500
M 1000
IV:4 IX: 9
XL:40 XC:90
CD:400 CM:900

class Solution():
    def __init__(self):
        pass

    def intToRoman(self, num):
        """
        :type num: int
        :rtype: str
        """
        roma_value = ""
        while num > 0:
            if num >= 1000:
                roma_value += 'M'
                num -= 1000
            if 1000 > num >= 900:
                roma_value += "CM"
                num -= 900
            if 900 > num >= 500:
                roma_value += 'D'
                num -= 500
            if 500 > num >= 400:
                roma_value += "CD"
                num -= 400
            if 400 > num >= 100:
                roma_value += 'C'
                num -= 100
            if 100 > num >= 90:
                roma_value += "XC"
                num -= 90
            if 90 > num >= 50:
                roma_value += 'L'
                num -= 50
            if 50 > num >= 40:
                roma_value += "XL"
                num -= 40
            if 40 > num >= 10:
                roma_value += 'X'
                num -= 10
            if 10 > num >= 9:
                roma_value += "IX"
                num -= 9
            if 9 > num >= 5:
                roma_value += 'V'
                num -= 5
            if 5 > num >= 4:
                roma_value += "IV"
                num -= 4
            if 4 > num >= 1:
                roma_value += "I"
                num -= 1
        return roma_value


if __name__ == "__main__":
    answer = Solution()
    print answer.intToRoman(1994)