题目: Related to question Excel Sheet Column Title 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 提示: 此题考查的是对N进制数转10进制数的转换. 代码: 我自己的…

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…

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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…

题目: 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 提示: 此题考查的是将十进制数转换为N进制数的方法.需要注意的是,当进行转化时,每一步中的整除与取模操作,都需要对输入n进行减1后进行. 取模的时候减一…

#-*- coding: UTF-8 -*- # ord(c) -> integer##Return the integer ordinal of a one-character string.##参数是一个ascii字符,返回值是对应的十进制整数class Solution(object):    def titleToNumber(self, s):        columns=0        n=len(s)        s=s.upper()[::-1]        for c…

---------------------------------- 乘权相加即可. AC代码:(从右往左) public class Solution { public int titleToNumber(String s) { int res=0; for(int i=s.length()-1;i>=0;i--) res+=(s.charAt(i)-'A'+1)*((int)(Math.pow(26,s.length()-i-1))); return res; } } 精简版AC代码:(从左…

168 - 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 Solution: 由于A->1,  计算s的末尾时需先减去1 class Solution…

100. Same Tree /** * Definition for a binary tree node. * function TreeNode(val) { * this.val = val; * this.left = this.right = null; * } */ /** * @param {TreeNode} p * @param {TreeNode} q * @return {boolean} */ var isSameTree = function(p, q) { if(p…

题目 //像10进制一样进行 转换   只是要从0开始记录 class Solution { public: string convertToTitle(int n) { char a; string str=""; ){ )%; str = char(tmp+'A') + str; n = (n-)/; } return str; } }; 171  Excel Sheet Column Number class Solution { public: int titleToNumbe…