| 题目 |
Excel Sheet Column Number |
| 通过率 | 40.5% |
| 难度 | Easy |
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
题目分析：处理26进制，逐个读入字符串的每一个字符进行处理转换，逐个移位；
java代码：
public class Solution { public int titleToNumber(String s) { int i=0; int num=0; while(i<s.length()){ if(s.charAt(i)!=‘Z‘){ num=num*26+s.charAt(i)-65+1; } else num=num*26+26; i++; } return num; } }
leetcode----------Excel Sheet Column Number
原文：http://www.cnblogs.com/pku-min/p/4216657.html