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: 乍看一下非常麻烦,不妨从反面入手:知道字...
求完余后,继续求前一位,通过(n - 1) / 26把余位给消除。 1classSolution {2public:3stringconvertToTitle(intn) {4stringres;5while(n)6{7res = (char)((n -1) %26+'A') +res;8n = (n -1) /26;9}10returnres;11}12};
思路:就是168题的反命题,进制的方式完美解决; Leetcode每日一题:168.excel-sheet-column-title(Excel表名称) class Solution { public: int titleToNumber(string s) { int len = s.size(); if (len == 0) return 0; int fac = len - 1; int res = 0; for (int i = 0; i < len; i++)...
https://leetcode.com/problems/excel-sheet-column-number/?tab=Description 给定一个string,转换成数字。 类似于多进制之间的互转,但是有一点不同,这里是从1开始的,即A对应1.而一般的多进制,都会对应到0.这是一点需要注意的。 思路就是从string的右端向左端遍历,假设现在是c,然后计算出c代表的数...
https://leetcode.com/problems/excel-sheet-column-title/ image.png (图片来源https://leetcode.com/problems/excel-sheet-column-title/ ) 日期是否一次通过comment 2019-11-24 注意: 能整除的数返回1,而不是0,导致所有计算都得以(n-1)为单位: Instead of 1 -> A, 26 -> Z, we can assume that...
public static String convertToTitle(int n) { if(n<0) return null; StringBuffer str = new StringBuffer(); char []Table = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'}; ...
* 题目: 168.Excel Sheet Column Title * 网址:https://oj.leetcode.com/problems/excel-sheet-column-title/ * 结果:AC * 来源:LeetCode * 博客: ***/ #include <iostream> #include <vector> #include <string> using namespace std; class ...
思路是类似的: public class Solution { public int TitleToNumber(string s) { int ret=0; for(int i=0;i<s.Length;i++) { ret=ret*26+(s[i]-'A'+1); } return ret; } } LeetCode All in One 题目讲解汇总(持续更新中...)
LeetCode:168. Excel Sheet Column Title Given a positive integer, return its corresponding column title as appear in an Excel sheet. For example: Example 1: Example 2: Example 3: C++代码: ...猜你喜欢leetcode 168. Excel Sheet Column Title ......
LeetCode 171 - Excel 表列序号 Excel 表列序号 (LeetCode) 题目 给你一个字符串 columnTitle ,表示 Excel 表格中的列名称。返回该列名称对应的列序号。 例如, 示例 1: 输入: columnTitle = “A” 输出: 1 示例 2: 输入: columnTitle = “AB” 输出: 28 示例 3: 输入: columnTitle = &......