168. Excel Sheet Column Title

 

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

Excel Sheet Column Title - LeetCode

 

class Solution {
public:
    string convertToTitle(int n) {
        string s;
        while (n) {
            s.push_back('A' + (n - 1) % 26);
            n = (n - 1) / 26;
        }
        reverse(s.begin(), s.end());
        return s;
    }
};