58. Length of Last Word

2019-05-09

58. 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 only.

Example:

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Input: "Hello World"
Output: 5

Code:

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