题意: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 思路:找规律,挺简单的···可是小地方错了一些搞了半天···心塞 代码: int titleToNumber(string s) { int n = s.length(); ; ;i<n;i++) { ; ans += temp * func(n-i); } return ans; } int func(int n) { ) ; else { ; ;j&l…

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…