Length Of Last Word
You are 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.
Note: A substring is a contiguous non-empty sequence of characters within a string.
Example 1:
Input: s = "Hello World"
Output: 5Explanation: The last word is "World" with length 5.
Example 2:
Input: s = " fly me to the moon "
Output: 4Explanation: The last word is "moon" with length 4.
Example 3:
Input: s = "luffy is still joyboy"
Output: 6Explanation: The last word is "joyboy" with length 6.
Constraints:
1 <= s.length <= 10,000sconsists of only English letters and spaces' '.- There will be at least one word in
s.