Big-O notation explained by a self-taught programmer
My company always works a &quot;Big-O&quot; question into interview questions. It&#x27;s funny how we ask about the complexity of the algorithm and maybe 50% of applicants even know what Big-O notation is.<p>It doesn&#x27;t seem to impact hiring decisions though. We haven&#x27;t turned anyone down because they miss that question.<p>I think it&#x27;s because anyone who has programmed for a year or so professionally already understands the concept of inefficient algorithms. They don&#x27;t need to measure it mathematically, just learn how to optimize.