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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();
}
}
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原文地址:http://www.cnblogs.com/shini/p/4421260.html