java.lang.Object
g0101_0200.s0171_excel_sheet_column_number.Solution

public class Solution extends Object
171 - Excel Sheet Column Number\. Easy Given a string `columnTitle` that represents the 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:** columnTitle = "A" **Output:** 1 **Example 2:** **Input:** columnTitle = "AB" **Output:** 28 **Example 3:** **Input:** columnTitle = "ZY" **Output:** 701 **Example 4:** **Input:** columnTitle = "FXSHRXW" **Output:** 2147483647 **Constraints:** * `1 <= columnTitle.length <= 7` * `columnTitle` consists only of uppercase English letters. * `columnTitle` is in the range `["A", "FXSHRXW"]`.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • titleToNumber

      public int titleToNumber(String s)