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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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