DAY14：leetcode #58 Length of Last Word

最新推荐文章于 2023-10-10 14:01:13 发布

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本文介绍了一种方法来计算给定字符串中最后一个单词的长度。该方法首先去除字符串两端的空白字符，然后找到最后一个由非空格字符组成的单词，并返回其长度。文章通过两个示例实现展示了这一过程。

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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.

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class Solution(object):
    def lengthOfLastWord(self, s):
        """
        :type s: str
        :rtype: int
        """
        temp = s.split(' ')
        for i in range(len(temp))[::-1]:
            if temp[i] == '':
                del temp[i]
        if len(temp) > 0:
            return len(temp[-1])
        else:
            return 0

class Solution(object):
    def lengthOfLastWord(self, s):
        """
        :type s: str
        :rtype: int
        """
        return len(s.strip().split(' ')[-1])