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 

 1 public class Solution {
 2     public String convertToTitle(int n) {
 3         String result="";
 4         while(n!=0){
 5             String a="";
 6             int temp=n%26;
 7             if(temp==0){
 8                 a=String.valueOf('Z');
 9                 n=n-26;
10             }
11             else{
12                 a=String.valueOf((char)(temp-1+'A'));
13             }
14             result=a+result;
15             n=n/26;
16                 
17         }
18         return result;
19     }
20 }

 

posted @ 2015-01-13 17:01  mrpod2g  阅读(123)  评论(0)    收藏  举报