LeetCode168——Excel Sheet Column Title

LeetCode168——Excel Sheet Column Title

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

Credits: Special thanks to @ifanchu for adding this problem and creating all test cases.

string convertToTitle(int n) {

}

题目大意

给定一个正整数,返回在一个电子表中对应栏目的标题。相关题目:LeetCode171——Excel Sheet Column Number

难度系数:容易

实现

string convertToTitle(int n) {
    n = n -1;
    int a = n / 26;
    if (a) {
        return convertToTitle(a) + (char)(‘A‘ + n % 26);
    } else {
        return string("")+(char)(‘A‘ + n % 26);
    }
}

这其实就是一个关于10进制转26进制的问题。这代码也不复杂,运行效率也不错。

时间: 2024-11-10 10:33:08

LeetCode168——Excel Sheet Column Title的相关文章

168.Excel Sheet Column Title

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:由于下标从1开始而不是从0开始,因此要减一操作. static public string Convert

2016.5.19——Excel Sheet Column Title

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

Excel Sheet Column Number & Excel Sheet Column Title

1. Excel Sheet Column Number 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 1 class S

leetcode Excel Sheet Column Title python

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 python code class Solution: # @param {integer} n # @ret

[leetcode] Excel Sheet Column Title & Excel Sheet Column Number

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 思路: 10进制转26进制 .先求低位再求高位,与10进制转2进制一样. 题解: class Solution

leetcode_168题——Excel Sheet Column Title(数学问题)

Excel Sheet Column Title Total Accepted: 25652 Total Submissions: 142582My Submissions Question Solution 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

[LeetCode]62. Excel Sheet Column Title Excel列序号

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 Credits:Special thanks to @ifanchu for adding this problem and creating all test

[LeetCode] Excel Sheet Column Title 求Excel表列名称

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 Credits:Special thanks to @ifanchu for adding this problem and creating all test

Leet Code OJ 168. Excel Sheet Column Title [Difficulty: Easy]

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 翻译: 给定一个正数,返回它类似Excle中对应的列标题. 分析: 关联问题:"Excel Sheet Column Number"