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Related to question Excel Sheet Column Title
Given a column title as appear in an Excel sheet, return its corresponding column number.
For example:
A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28
类似于进制转换。
public class Solution {
public int titleToNumber(String s) {
int num = 0;
for (char c : s.toCharArray()) {
num = num * 26 + c - ‘A‘ + 1;
}
return num;
}
}
171. Excel Sheet Column Number
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原文地址:http://www.cnblogs.com/shini/p/4421250.html