LeetCode 0168 - Excel Sheet Column Title

Excel Sheet Column Title

Desicription

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

For example:

代码语言：javascript复制

1 -> A
2 -> B
3 -> C
...
26 -> Z
27 -> AA
28 -> AB 
...

Example 1:

代码语言：javascript复制

Input: 1
Output: "A"

Example 2:

代码语言：javascript复制

Input: 28
Output: "AB"

Example 3:

代码语言：javascript复制

Input: 701
Output: "ZY"

Solution

代码语言：javascript复制

class Solution {
public:
    string convertToTitle(int n) {
        string res;
        while(n) {
            res = string(1, (n - 1) % 26   'A')   res;
            n = (n - 1) / 26;
        }
        return res;
    }
};

excel integer return title

0 人点赞