0058. Length of Last Word

https://leetcode.com/problems/length-of-last-word

Description

Given a string s consisting of some words separated by some number of spaces, return the length of the last word in the string.

A 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.

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