168. Excel Sheet Column Title
Description
Given an integer columnNumber
, return its corresponding column title as it appears in an Excel sheet.
For example:
A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ...
Example 1:
Input: columnNumber = 1 Output: "A"
Example 2:
Input: columnNumber = 28 Output: "AB"
Example 3:
Input: columnNumber = 701 Output: "ZY"
Constraints:
1 <= columnNumber <= 231 - 1
Solutions
Solution 1
1 2 3 4 5 6 7 8 |
|
1 2 3 4 5 6 7 8 9 10 11 |
|
1 2 3 4 5 6 7 8 9 |
|
1 2 3 4 5 6 7 8 9 10 |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 |
|
1 2 3 4 5 6 7 8 9 10 11 |
|