https://abaj.ai/wiki/csp/neetcode/Recent content in Neetcode on Aayush Bajaj's Augmenting InfrastructureHugoen© 2026 Aayush BajajTue, 12 May 2026 15:04:54 +1000https://abaj.ai/wiki/csp/neetcode/blind150/Tue, 12 May 2026 15:04:54 +1000https://abaj.ai/wiki/csp/neetcode/blind150/<p>The full Neetcode 150 expansion: Blind 75 plus 75 follow-on problems for fuller coverage. The 75 shared problems are stubs that point at the worked solution on <a href="https://abaj.ai/wiki/csp/neetcode/blind75/" >Blind75</a>; the 75 extras have their full structure here.</p> <div class="collapse-marker" data-target-path="/wiki/csp/neetcode/blind150/" data-folded="true" data-lvl="0"></div> <div class="collapsible-container"> <style id="collapsible-css"> .collapsible-wrapper { display: flex; align-items: center; margin-bottom: 0px; } .toggle-button { cursor: pointer; border: none; background: none; color: black; font-size: 1rem; width: 1.5rem; height: 1.5rem; text-align: center; line-height: 1.5rem; margin-right: 8px; padding: 0; } [data-theme="dark"] .toggle-button { color: white; } .toggle-button:focus { outline: none; } .collapsible-content { display: none; margin-left: 8px; margin-bottom: 0px; padding: 2px 0 2px 12px; border-left: 1px solid rgba(0, 0, 0, 0.1); transition: all 0.3s ease-out; } [data-theme="dark"] .collapsible-content { border-left-color: rgba(255, 255, 255, 0.12); } .collapsible-content.show { display: block; } </style> <script src="https://abaj.ai/js/collapsible-global.js"></script> </div> <h2 id="arrays">Arrays<a href="#arrays" class="post-heading__anchor" aria-hidden="true">#</a> </h2> <h3 id="contains-duplicate">Contains Duplicate<a href="#contains-duplicate" class="post-heading__anchor" aria-hidden="true">#</a> </h3> <p>Worked solution on the <a href="https://abaj.ai/wiki/csp/neetcode/blind75/#contains-duplicate" >Blind 75 page</a> · <a href="https://leetcode.com/problems/contains-duplicate/" class="link--external" target="_blank" rel="noreferrer" >Leetcode</a></p>https://abaj.ai/wiki/csp/neetcode/blind75/Tue, 12 May 2026 14:40:27 +1000https://abaj.ai/wiki/csp/neetcode/blind75/<p>The canonical 75-problem <a href="https://www.techinterviewhandbook.org/grind75" class="link--external" target="_blank" rel="noreferrer" >Blind 75</a> subset of the Neetcode curriculum: enough breadth to OA-prep without the long tail. Worked solutions and prose live here; the full 150-problem expansion (with stub links back into this page for shared problems) is on <a href="https://abaj.ai/wiki/csp/neetcode/blind150/" >Blind150</a>.</p> <h2 id="arrays">Arrays<a href="#arrays" class="post-heading__anchor" aria-hidden="true">#</a> </h2> <h3 id="contains-duplicate">Contains Duplicate<a href="#contains-duplicate" class="post-heading__anchor" aria-hidden="true">#</a> </h3> <p><a href="https://leetcode.com/problems/contains-duplicate/" class="link--external" target="_blank" rel="noreferrer" >Contains Duplicate on Leetcode</a></p> <h3 id="valid-anagram">Valid Anagram<a href="#valid-anagram" class="post-heading__anchor" aria-hidden="true">#</a> </h3> <p><a href="https://leetcode.com/problems/valid-anagram/" class="link--external" target="_blank" rel="noreferrer" >Valid Anagram on Leetcode</a></p> <h3 id="two-sum">Two Sum<a href="#two-sum" class="post-heading__anchor" aria-hidden="true">#</a> </h3> <p><a href="https://leetcode.com/problems/two-sum/" class="link--external" target="_blank" rel="noreferrer" >Two Sum on Leetcode</a></p>