Reverse Characters Inside Each Sentence Word

### Problem Reverse the characters of every word in s while keeping the words in their original order and every separating space in place. Printable ASCII characters belong to words unless they are the single separating space. ```cpp class Solution { public: string reverseWords(string s); }; ``` ### Examples **Example 1:** ```text s = "blue sky" Output: "eulb yks" Explanation: The two word positions are unchanged. ``` **Example 2:** ```text s = "go! now" Output: "!og won" Explanation: Punctuation is reversed as part of its word. ``` ### Constraints - Sentence length: 1..50000 printable ASCII characters. At least one word is present. A single space separates successive words; no space precedes the first or follows the last. ### Clarifying Questions Preserve punctuation and spaces while reversing only characters within each word. ```hint Read the boundary condition What are the exact start and end positions of one word? ``` ### Contract considerations Preserve punctuation and spaces while reversing only characters within each word.