https://leetcode.com/problems/length-of-last-word/ 题意分析: 给出只包括大小写和空格的字符,输出最后一个单词的长度。 题目思路: 从最后一个字符开始搜索,如果字符非空格,则往前推一位,直到不是空格,此时记录起始位置。然后继续搜索,直到遇到下一个空格或者到了第一个位置,记为终点位置。长度则为起始位置减...
1、题目 58. Length of Last Word——Easy Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word (last word means the last appearing word if we loop from left to right) in the string. If the last word does not exist, return ...
简单题,其实题目假设了不会出现数字字符等,不然这样做是过不了的。还需要判断是否这个word全为65 <= ord() <= 122 AI检测代码解析 class Solution(object): def lengthOfLastWord(self, s): """ :type s: str :rtype: int """ return len(s.strip().split(" ")[-1]) 1. 2. 3. 4. 5. 6...
L58: Length of Last Word Given a string s consists of upper/lower-case alphabets and empty space characters ’‘, return the length of last word in the string. If the last word does not exist, return 0. Note: A word is defined as a character sequence consists of non-space characters ...
【摘要】 这是一道关于最后一个单词长度的LeetCode题目,希望对您有所帮助。 题目概述: Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. ...
Can you solve this real interview question? Length of Last Word - Given a string s consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting of non-space characters only. Example 1:
58. Length of Last Word(最后一个单词的长度) 题目地址:https://leetcode.com/problems/length-of-last-word/description/ Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string....
public class Solution { public int lengthOfLastWord(String s) { int idx = s.length() - 1; // 跳过末尾的空格 while(idx >= 0){ if(s.charAt(idx) != ' ') break; idx--; } // 记录结束位置 int end = idx; // 如果已经超界返回0 ...
[leetcode]Length of Last Word @ Python 原题地址:https://oj.leetcode.com/problems/length-of-last-word/ 题意: Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string....
Note: A word is defined as a character sequence consists of non-space characters only. Example: Input: "Hello World" Output: 5 思路 这道题挺简单的,因为我使用的是python,所以可以直接使用内建方法来解决该问题。就是先将字符串首尾的空格去除,然后使用空格对字符串对其进行分割得到一个列表,直接返回最...