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 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 解题思路: JAVA实现如下: publ…
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 题目标签:Math 这一题和 #168 是逆向思维. 从string s 的…
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…
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 代码: class Solution { public: int t…
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…
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…
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…
https://leetcode.com/problems/excel-sheet-column-number/ class Solution { public: int titleToNumber(string s) { int ans = 0; for(int i = 0;i < s.length();i++) { ans *= 26; ans += s[i] - 'A' + 1; } return ans; } };…
题目描述: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 解题思路: 循环读取数字,从左向右读取,每次该位字符减去A加上一即为该为数字代表的数值,然后每次循环前将之前的结果乘以26.表示该表示为26进制. 代码如下: public class Solution { public int titleToNumber(String s) { int i = 0; int result = 0; int length;…
本质是把26进制转化为10进制 A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 class Solution { public: int titleToNumber(string s) { ; ; i<s.size(); ++i){ ans = * ans + s[i] - ; } return ans; } };…
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…
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…
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…
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…
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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…
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…
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…
［抄题］: 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"…
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 以上是问题,实际上很好做.但是....以下是我的代码: class Solution { public: int titleToNumber(string s) {…
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…
---------------------------------- 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…
