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中文文档

Description

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

Solutions

Python3

Java

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