&gt; interview trick questions that a CS degree give you aren&#x27;t very useful at all in the real world<p>Usually trick questions aren&#x27;t the one that you expect in real world, because they&#x27;re trick questions. Nevertheless, it&#x27;s very easy to consider a question being tricky, while it might be just a good check of your understanding of a given technique or algorithm.<p>&gt; And you won&#x27;t be that annoying guy in every meeting talking about Big O notation instead of actually solving the issue at hand.<p>Talking Big O is the very exact thing that you should discuss <i>before</i> solving (coding) the issue. It&#x27;s only annoying if you do that <i>instead</i>. Please, do not underestimate this.