Excel Sheet Column Number

Posted 2020-07-20

public class Solution {
    public int TitleToNumber(string s) {
        int result=0;
        char[] sarr=s.ToCharArray();
        for(int i=0;i<s.Length;i++){
            result=result*26+(sarr[i]-‘A‘+1);
        }
        return result;
    }
}