[Leetcode] (python): 118-excel Sheet Column Title

Source of the topic

https://leetcode.com/problems/excel-sheet-column-title/

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

For example:

    1, A    2, B    3, C    ...    AA, Z        

Test instructions Analysis

INPUT:A number

Output:a string

Conditions: Similar to 26 binary, A is first, Z is 26th bit

Topic ideas

Direct correspondence is good, note there are two functions: Ord () and Chr ()

AC Code (PYTHON)

1 classsolution (object):2     defConverttotitle (self, n):3         """4 : Type N:int5 : Rtype:str6         """7res =""8          whileN:9h = (n-1)% 26Tenres = Chr (ORD ('A') + h) +Res Onen = (n-1)/26 A         returnRes

[Leetcode] (python): 118-excel Sheet Column Title