Remove Vowels from a String
<p>Given a string <code>s</code>, remove the vowels <code>&#39;a&#39;</code>, <code>&#39;e&#39;</code>, <code>&#39;i&#39;</code>, <code>&#39;o&#39;</code>, and <code>&#39;u&#39;</code> from it, and return the new string.</p>

<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>

<pre>
<strong>Input:</strong> s = &quot;leetcodeisacommunityforcoders&quot;
<strong>Output:</strong> &quot;ltcdscmmntyfrcdrs&quot;
</pre>

<p><strong class="example">Example 2:</strong></p>

<pre>
<strong>Input:</strong> s = &quot;aeiou&quot;
<strong>Output:</strong> &quot;&quot;
</pre>

<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>

<ul>
	<li><code>1 &lt;= s.length &lt;= 1000</code></li>
	<li><code>s</code> consists of only lowercase English letters.</li>
</ul>
String
class Solution {
public:
    string removeVowels(string s) {
        string ans;
        for (char& c : s) {
            if (!(c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u')) {
                ans += c;
            }
        }
        return ans;
    }
};