Can you solve this real interview question? Excel Sheet Column Number - Given a string columnTitle that represents the column title as appears in an Excel sheet, return its corresponding column number. For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA
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:给出一个Excel中的列标,请输出它对应的列数。 题目分析:大致是一个二十六进制转化为十进制的计算。A-Z表示1-26...
Related to questionExcel 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 这道题目要求一目了然,内涵就是26进制转10进制,只是26进制用的是字母,我们可以...
Related to questionExcel 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. 2. 3. 4. 5. 6. 7. class Solution(object): def titleToNumber(sel...
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...
Leetcode.171.Excel Sheet Column Number Jimmy木关注IP属地: 贵州 2019.11.12 19:51:11字数30阅读139 题目 给定一个字符串, 输出对应的数值. Input: "A" Output: 1 Input: "Z" Output: 26 Input: "AA" Output: 27 Input: "ZY" Output: 701 思路 int titleToNumber(string s) { int res = 0;...
链接:https://leetcode-cn.com/problems/excel-sheet-column-number 思路: 1、这道题是将26进制的数转换为10进制的数 Python代码: classSolution(object):deftitleToNumber(self,s):""" :type s: str :rtype: int """ret=0foritemins:temp=ord(item)-64ret=ret*26+tempreturnret ...
LeetCode 28:实现strStr() Implement strStr() 解题思路(Java): 暴力穷举: 复杂度:时间 O(n^2) 空间 O(1) 字符串 a 从第一个索引开始 逐一匹配字符串 b 的第一个索引:a[i++]==b[0],如果为true,则进入内循环字符串...既C字符之前的两个字符 AB 与空格字符前两个字符 AB 相同,两...
【摘要】 1、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 ... 1、题目 Related to questionExcel Sheet Column Title ...
Given a column title as appearinan Excel sheet,returnits corresponding column number. For example:A->1B->2C->3... Z->26AA->27AB->28 分析 有了上一题的经验,这次要容易得多了。它的题意也能理解了,就是从上面的实例左侧字符转换成右侧的数字。大家可以看看上一题:LeetCode 168 Excel Sheet ...