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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
Credits:
Special thanks to @ts for adding this problem and creating all test cases.
https://leetcode.com/problems/excel-sheet-column-number/
1 public class Solution 2 { 3 4 public static int titleToNumber(String s) 5 { 6 int cout=0; 7 char[]t=s.toCharArray(); 8 for(int i=0;i<t.length;i++) 9 cout+=(t[i]-‘A‘+1)*Math.pow(26,(t.length-i-1) ); 10 return cout; 11 } 12 public static void main(String args[]) 13 { 14 System.out.println(titleToNumber("AAA"));//AAA 703 15 } 16 }
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原文地址：http://www.cnblogs.com/qq1029579233/p/4403093.html
