首页 > itarticle > leetcode:171. excel sheet column number

leetcode:171. excel sheet column number

admin 11月 13, 2020 0

题目概述

Given a column title as appear in an Excel sheet, return its corresponding column number.

For example:

1
2
3
4
5
6
7
8
 
A -> 1
B -> 2
C -> 3
...
Z -> 26
AA -> 27
AB -> 28 
...

Example 1:

1
2
 
Input: "A"
Output: 1

Example 2:

1
2
 
Input: "AB"
Output: 28

Example 3:

1
2
 
Input: "ZY"
Output: 701

进制转换的题目

代码实现

1
2
3
4
5
6
7
8
 
class :
    def titleToNumber(self, s: 'str') -> 'int':
        result = 0
        for i in range(len(s)):
            result *= 26
            result += ord(s[i]) - 64

        return result
微海报分享

近期文章

近期评论

标签

热门

文章归档

分类目录

功能