Leetcode 168. Excel Sheet Column Title

文章作者：Tyan 博客：noahsnail.com | CSDN | 简书

1. Description

2. Solution

• Version 1

代码语言：javascript复制

class Solution:
    def convertToTitle(self, n):
        result = ''
        mapping = [chr(65 i) for i in range(0, 26)]

        while n:
            remainder = n % 26
            quotient = n // 26
            result = mapping[remainder - 1]   result
            if remainder == 0:
                quotient -= 1
            n = quotient

        return result

• Version 2

代码语言：javascript复制

class Solution:
    def convertToTitle(self, n):
        result = ''
        mapping = [chr(65 i) for i in range(0, 26)]
        while n:
            remainder = n % 26
            n = (n - 1) // 26
            result = mapping[remainder - 1]   result

        return result

• Version 3

代码语言：javascript复制

class Solution:
    def convertToTitle(self, n):
        result = ''
        mapping = [chr(65 i) for i in range(0, 26)]
        while n:
            result = mapping[n % 26 - 1]   result
            n = (n - 1) // 26
        return result

Reference

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

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