lc168. Excel Sheet Column Title

168. Excel Sheet Column Title

Given a positive integer, return its corresponding column title as appear in an Excel sheet.python

For example:bash

1 -> A
2 -> B
3 -> C
...
26 -> Z
27 -> AA
28 -> AB 
...
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Example 1:app

Input: 1 Output: "A" Example 2:ui

Input: 28 Output: "AB" Example 3:spa

Input: 701 Output: "ZY"code

思路: 求餘,添加

代碼:python3string

class Solution:
    def convertToTitle(self, n: int) -> str:
        str = ''
        
        while n > 0 :
            if (n%26) == 0:
                str = str+""
            else:
                str = str+chr(64+n%26)
            n = int(n/26)
        return str
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