https://www.nilpointer.blog/tags/leetcode/Recent content in LeetCode on A Blog for the UninitializedHugoen-us<a href="https://www.apache.org/licenses/LICENSE-2.0" target="_blank" rel="noopener">Licensed under Apache 2.0</a>Thu, 12 Mar 2026 14:46:15 -0700https://www.nilpointer.blog/posts/2026/03/when-hashmaps-get-slow/Thu, 12 Mar 2026 14:46:15 -0700https://www.nilpointer.blog/posts/2026/03/when-hashmaps-get-slow/<p>Many years ago, I took a Data Structures class. I wasn&rsquo;t even in the major that I would later graduate in, but there were a few topics that I actually remembered from back then.</p> <p>At least to some extent. I remember the <em>content</em>, but the <em>context</em> was a bit, dare I say <em>unknown</em>.</p> <p>What we were discussing one day were HashMaps. We had previously discussed Linked Lists and a few other types, and I knew of the <em>name</em> &ldquo;HashMap&rdquo;, but what exactly were they?</p>