Leetcode#168Excel 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

public class Solution {

public String convertToTitle(int n) {

String c="";

while(n>0)

{

int x=n%26;

if(x==0)

{

c=String.valueOf((char)(‘A‘-1+26))+c;

n=n/26-1;

}

else

{

c=String.valueOf((char)(‘A‘-1+x))+c;

n=n/26;

}

}

return c;

}

}