reverse-string

Algorithms

Reverse String

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reverseString

Write a function that reverses a string. The input string is given as an array of characters <code>s</code>.

You must do this by modifying the input array <a href="https://en.wikipedia.org/wiki/In-place_algorithm" target="_blank">in-place</a> with <code>O(1)</code> extra memory.

&nbsp;
Example 1:
<pre>Input: s = ["h","e","l","l","o"]
Output: ["o","l","l","e","h"]
</pre>Example 2:
<pre>Input: s = ["H","a","n","n","a","h"]
Output: ["h","a","n","n","a","H"]
</pre>
&nbsp;
Constraints:

<ul>
	<li><code>1 &lt;= s.length &lt;= 105</code></li>
	<li><code>s[i]</code> is a <a href="https://en.wikipedia.org/wiki/ASCII#Printable_characters" target="_blank">printable ascii character</a>.</li>
</ul>

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