Leetcode 504

给定一个整数,将其转化为7进制,并以字符串形式输出。

示例 1:

输入: 100
输出: "202"

示例 2:

输入: -7
输出: "-10"

注意: 输入范围是 [-1e7, 1e7] 。

class Solution(object):
    def convertToBase7(self, num):
        """
        :type num: int
        :rtype: str
        """
        temp = []
        s = ''
        if num == 0:
            return '0'
        if num > 0:
            while num > 0:
                s += str(num % 7)
                num = num / 7
            return s[::-1]
        else:
            num = abs(num)
            while num > 0:
                s += str(num % 7)
                num = num / 7
            return '-' + s[::-1]

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转载自blog.csdn.net/jhlovetll/article/details/84404974