java.lang.Object
g0101_0200.s0168_excel_sheet_column_title.Solution

public class Solution extends java.lang.Object
168 - Excel Sheet Column Title.

Easy

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”

Example 4:

Input: columnNumber = 2147483647

Output: “FXSHRXW”

Constraints:

  • 1 <= columnNumber <= 231 - 1
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    java.lang.String
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • convertToTitle

      public java.lang.String convertToTitle(int n)