Excel Sheet Column Number

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 }
原文地址:https://www.cnblogs.com/qq1029579233/p/4403093.html