题目地址: https://oj.leetcode.com/problems/excel-sheet-column-title/ 题目内容: Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB 思路: 乍看一下非…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 迭代 递归 日期 [LeetCode] 题目地址:https://leetcode.com/problems/excel-sheet-column-title/ Total Accepted: 59514 Total Submissions: 274188 Difficulty: Easy 题目描述 Given a positive integer, retu…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目大意 解题方法 Java解法 Python解法 日期 [LeetCode] 题目地址:https://leetcode.com/problems/excel-sheet-column-number/ Total Accepted: 77115 Total Submissions: 185238 Difficulty: Easy 题目大意 Given a column titl…

题目要求 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 ... 题目分析及思路 给出excel表格中的列标题,要求返回对应的列数字(正如例子所示).其实这相当于一个进制问题,逢27进一.可以遍历字符串中的每个字符…

题目描述: 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 ... 26 -> Z 27 -> AA 28 -> AB Excel Sheet Column Number Related to question Exc…

Excel Sheet Column Title Given a non-zero positive integer, return its corresponding column title as appear in an Excel sheet. For example: 1 -> A 2 -> B 3 -> C ... 26 -> Z 27 -> AA 28 -> AB 类似于数制转换,只不过1对应A,而不是0对应A class Solution { publi…

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 ... 26 -> Z 27 -> AA 28 -> AB 注意,这题的数字不是从0开始,而是从1开始,我开始的时候用10进制的方式进行转换,发现不对.所以在程序里,用了…

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 ... 26 -> Z 27 -> AA 28 -> AB Java实现: public static String convertToTitle(int n) { St…

Excel Sheet Column Title 本题收获: 1.由int型转换为整型(string),如何转化, res = 'A'+(n-1)%26和之前由A-z转化为十进制相反,res = s[i]-'A'+1.(为什么有+1,-1还有点迷糊,貌似是十进制是0-9,26进制是) 2.十进制到26进制转化 题目: Given a positive integer, return its corresponding column title as appear in an Excel shee…

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 class Solution { public: int titleToNumber(string s) { ; ; ; i &l…