# 168. 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
...
Example 1:
Input: 1
Output: "A"
Example 2:
Input: 28
Output: "AB"
Example 3:
Input: 701
Output: "ZY"
# Solution
Approach 1: Modulo.
# Code (Python)
Approach 1:
# Code (C++)
Approach 1:
class Solution {
public:
string convertToTitle(int n) {
string title = "";
while (n > 0)
{
title = char('A' + ((n - 1) % 26)) + title;
n = (n - 1) / 26;
}
return title;
}
};