Reverse the Original Printable-Character Array In Place
Company: Google
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: easy
Interview Round: Other
### Problem
Reverse s by modifying its original character array in place, using O(1) extra memory. The function returns void. Preserve every printable ASCII character exactly, including spaces and punctuation.
```cpp
void reverseString(vector<char>& s);
```
### Examples
```text
s = ["a","!","B"," "] -> [" ","B","!","a"]
s = ["x"] -> ["x"]
```
### Constraints
- Array length is 1 through 100000.
- Every entry is a printable ASCII character.
Overview: Reverse the Original Printable-Character Array In Place. Reverse s by modifying its original character array in place, using O(1) extra memory. The function returns void. Preserve every printable ASCII character exact