【LeetCode】Length of Last Word

Length of Last Word

Total Accepted: 20470 Total Submissions: 69655 My Submissions

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 only.

For example,

Given s = "Hello World",

return 5.

【解题思路】

简单题，主要考察字符串处理基本功。

Java AC 380ms

public class Solution {
    public int lengthOfLastWord(String s) {
        s = s.trim();
        String sArr[] = s.split(" ");
        String word = sArr[sArr.length-1].trim();
        return word.length();
    }
}

Python AC 172ms

class Solution:
    # @param s, a string
    # @return an integer
    def lengthOfLastWord(self, s):
        s = s.strip()
        sArr = s.split(' ')
        word = sArr[len(sArr)-1].strip()
        return len(word)