title: What is Big O Notation?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/487258/plain-english-explanation-of-big-o">Plain English explanation of Big O</a>  </p>
  </blockquote>
  
  
  
  <p>I know Big O notation is used to assess how efficient an algorithm is, but I do not understand how you read Big O notation or what exactly how efficient an algorithm is. Can somebody perhaps explain the basics of Big O notation? Thanks.</p>