171 Excel Sheet Column Number Excel表列序號
給定一個Excel表格中的列名稱,返回其相應的列序號。
示例:
A -> 1
B -> 2
C -> 3
...
Z -> 26
AA -> 27
AB -> 28
詳見:https://leetcode.com/problems/excel-sheet-column-number/description/
class Solution { public: int titleToNumber(string s) { int num=0; for(int i=0;i<s.size();++i) { num=num*26+(s[i]-‘A‘+1); } return num; } };
詳見:https://www.cnblogs.com/ganganloveu/p/4191180.html
171 Excel Sheet Column Number Excel表列序號
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