Description
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.
Examples
Input:
s = "Hello World"Output:
5Explanation:
The string splits into words ['Hello', 'World']. The last word 'World' contains 5 characters: W-o-r-l-d.
Input:
s = " fly me to the moon "Output:
4Explanation:
Ignoring leading/trailing spaces, the words are ['fly', 'me', 'to', 'the', 'moon']. The last word 'moon' has 4 characters.
Input:
aOutput:
1Explanation:
The string contains only one word 'a' with length 1. This demonstrates the minimum case where the entire string is just a single character word.
Constraints
- •
1 ≤ s.length ≤ 10⁴ - •
s consists of only English letters and spaces ' '. - •
There will be at least one word in s.