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Given a string
columnTitle that represents the column title as appears in an Excel sheet, return its corresponding column number.
A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ...
Input: columnTitle = "A" Output: 1
Input: columnTitle = "AB" Output: 28
Input: columnTitle = "ZY" Output: 701
1 <= columnTitle.length <= 7
columnTitleconsists only of uppercase English letters.
columnTitleis in the range
int result = 0; for (int i = 0; i < s.length(); result = result * 26 + (s.charAt(i) - 'A' + 1), i++); return result;
int result = 0; for (int i = 0; i < s.size(); result = result * 26 + (s.at(i) - 'A' + 1), i++); return result;
return reduce(lambda x, y : x * 26 + y, [ord(c) - 64 for c in list(s)])
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