题目: Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A2 -> B3 -> C...26 -> Z27 -> AA28 -> AB 题解: 想明白了就容易了。 求base-26的表达式,用A~Z表示
Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A2 -> B3 -> C...26 -> Z27 -> AA 28 -> AB class Solution {public:string conve