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168、Excel Sheet Column Title

168、Excel Sheet Column Title

作者: 多了去的YangXuLei | 来源:发表于2016-10-14 23:00 被阅读60次

https://leetcode.com/problems/excel-sheet-column-title/

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

For example:

    1 -> A
    2 -> B
    3 -> C
    ...
    26 -> Z
    27 -> AA
    28 -> AB 
class Solution {
    public: string convertToTitle(int n) {
       if (n == 0) { 
            return ""; 
        }
       return convertToTitle((n - 1) / 26) + (char)((n - 1) % 26 + 'A'); 
    }
}
;

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