D-10.md

🔮 Question- Excel Sheet Number

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
...
Example 1:

Input: "A"
Output: 1
Example 2:

Input: "AB"
Output: 28
Example 3:

Input: "ZY"
Output: 701

🐉 Solution

class Solution {
    public int titleToNumber(String s) {
       int result = 0; 
    for (int i = 0; i < s.length(); i++) 
    { 
        result *= 26; 
        result += s.charAt(i) - 'A' + 1; 
    } 
    return result; 
    }
}