标签:
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
进制转换。
public class Solution {
public String convertToTitle(int n) {
StringBuilder sb = new StringBuilder();
while (n > 0) {
char c = (char)(‘A‘ + (n - 1) % 26);
sb.insert(0, c);
n = (n - 1) / 26;
}
return sb.toString();
}
}
标签:
原文地址:http://www.cnblogs.com/shini/p/4421260.html