leetcode Excel Sheet Column Title
题目连接
https://leetcode.com/problems/excel-sheet-column-title/
Excel Sheet Column Title
Description
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) { string ans = ""; while (n) { char ch = !(n % 26) ? 'Z' : (n % 26 + 'A' - 1); ans += ch; n = (n - 1) / 26; } reverse(ans.begin(), ans.end()); return ans; } };
By: GadyPu 博客地址:http://www.cnblogs.com/GadyPu/ 转载请说明