【leetcode】Excel Sheet Column Number

时间:2022-05-01 08:08:46

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
 class Solution {
public:
int titleToNumber(string s) { int n=s.length();
int result=;
for(int i=;i<n;i++)
{
int num=s[i]-'A'+;
result=result*+num;
} return result;
}
};