The latest articles on DEV Community by CEO (@theitalianceo). https://dev.to/theitalianceo https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3939707%2Fcb70c175-7876-4dd9-8dd7-ec7218bc314f.jpeg https://dev.to/theitalianceo en CEO Tue, 19 May 2026 08:34:05 +0000 https://dev.to/theitalianceo/how-to-learn-data-structure-363f https://dev.to/theitalianceo/how-to-learn-data-structure-363f <p><strong>Data Structure</strong>, two words that awake every coder, it seems like a monster (<em>it is, partly</em>) because it is difficult at first.</p> <p>By being difficult, a lot of beginner <strong>quit</strong> before they succed...<br> It is not meant to be like this, but <strong>How Can You Learn Data Structure?</strong></p> <h2> Learn the Basic </h2> <ul> <li>Pick your <strong>preferred</strong> programming language, learn the basics of it.</li> <li>Go to <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__body flex items-center justify-between"> <a href="https://neetcode.io/" rel="noopener noreferrer" class="c-link fw-bold flex items-center"> <span class="mr-2">neetcode.io</span> </a> </div> </div> </div> or to <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__body flex items-center justify-between"> <a href="https://leetcode.com/" rel="noopener noreferrer" class="c-link fw-bold flex items-center"> <span class="mr-2">leetcode.com</span> </a> </div> </div> </div> and create an account .</li> </ul> <h2> Your First Problem </h2> <p>Now, that you are all set, pick an easy problem like the <strong>Contains Duplicate</strong> one.</p> <ol> <li>Read <em>carefully</em> the problem and tell yourself: <u>what is the problem asking me?</u> </li> <li> <strong>Think LOUDLY</strong>, it stimulates your brain thinking, and try to code a pseudo-code even on paper.</li> <li>Now, you can code your solution, it doesn't have to be the optimal one but the one that works.</li> <li> <strong>Ask</strong> yourself, <u>Can I optimize my solution?</u> </li> <li>Search on Google, other solutions and other data structure, like: <strong>binary search, hashmap</strong> (these are famous).</li> </ol> <p>The <u>TRICK</u> is to not give up and if you are stuck on a problem, even if it is an easy one, learn the solution and learn why it works.</p> <p><strong>If you do this trick, you can't be stopped</strong></p> <p>From a coder, to a coder. Happy hacking !</p> <p>If you have any question or any tips, <strong>write</strong> in the comments, it may help someone .</p> datastructures leetcode python programming