Leetcode_171_Excel Sheet Column Number】的更多相关文章

本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/42290079 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 思路: (…
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 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 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   class Solu…
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…
171. 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 题目大意: 相…
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…
Excel Sheet Column Number 本题收获: 1.对于字符串中字母转为ASIIC码:string s ;res = s[i]-'A'; 这个res就是数字s[i]-'A'是对ASIIC的操作. 2.对于进制的转换:利用for循环 ,%,/,数组在完成. 3.2中的数组都是从左到右的,在此题中不是按照从高位到低位. 题目: elated to question Excel Sheet Column Title Given a column title as appear in a…
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…
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 C++版: class Solution { public: string convertToTitle(in…
题意:天啊!我竟然看不懂题意,还去翻别人的代码才懂!给定一个字符串,求该字符串二十六进制的总值. 思路:'A'~'Z'就是1到26,"AA"=26+1=27,"BA"=26*2+1=53,"CBA"=26*26*3+26*2+1.相当于321(十进制),那么就是10*10*3+10*2+1,说第3条式子,C在第3位,在第1位时就是1~26的值了,也就是3,在第2位时就是将3*26了,再第3位时就是将3*26*26了:同理B就是2*26啦,A就是1…
171. Excel表列序号 171. Excel Sheet Column Number 题目描述 给定一个 Excel 表格中的列名称,返回其相应的列序号. 每日一算法2019/5/25Day 22LeetCode171. Excel Sheet Column Number 例如, A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 ... 示例 1: 输入: "A" 输出: 1 示例 2: 输入…
171. Excel Sheet Column Number Easy 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 ... Example 1: Input: "A" Output: 1 E…
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 Credits:Special thanks to @ts for addi…
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 很简单. public class Solution { public in…
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: 相当于10进制转26进制.与一般不一样的是10进制对应的是0 - 9.而这个26进制对应的是 A(1)- Z(26), 没有0. 我的代码: strin…
Problem: 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 Summary: 将二十六进制数字转为十进制. Analysis: class Solution { public: int titleToNumb…
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 class Solution { public: int titleToNu…
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 解题思路: JAVA实现如下: publ…
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 这题题目的意思就是:将26进制字母转化为10进制数字 class Solution { public: int titleToNumber(string s) { i…
题目: 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 26进制 class Solution(object): def titleToNumber(self, s): length = len(s) if len…
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…
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 思路:26进制…
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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 ... Example 1: Input: "A" Output: 1 Example 2: Input: "AB" Outp…
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…
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 class Solution { pub…
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 ... Example 1: Input: "A" Output: 1 Example 2: Input: "AB" Outp…
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 ... Example 1: Input: "A" Output: 1 Example 2: Input: "AB" Outp…
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 ... Example 1: Input: "A" Output: 1 Example 2: Input: "AB" Outp…