58. Length of Last Word

58. Length of Last Word

Given a string s consisting of words and spaces, return the length of the last word in the string.

word is a maximal substring consisting of non-space characters only.

Example 1:

Input: s = "Hello World"
Output: 5
Explanation: The last word is "World" with length 5.

Example 2:

Input: s = "   fly me   to   the moon  "
Output: 4
Explanation: The last word is "moon" with length 4.

Example 3:

Input: s = "luffy is still joyboy"
Output: 6
Explanation: The last word is "joyboy" with length 6.

Constraints:

  • 1 <= s.length <= 104
  • s consists of only English letters and spaces ' '.
  • There will be at least one word in s.

 

class Solution:
    def lengthOfLastWord(self, s: str) -> int:
        words = s.split()
        if(words):
            return len(words[-1])
        return 0
 
class Solution:
    def lengthOfLastWord(self, s: str) -> int:
        count = 0
        flag = False
        for i in s :
            if flag and i != ” “:
                count = 0
            if i == ” “:
                flag =True
            else:
                flag = False
                count = count +1
        return count
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