171. Excel Sheet Column Number
題目原文
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: 1Example 2:
Input: "AB"
Output: 28Example 3:
解題思路
程式解答
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