title: comparison of sorting algorithms
body: <p>When do we prefer </p>
  
  <p>a) bucket sort, and b) radix sort </p>
  
  <p>over comparison sorts like</p>
  
  <ul>
  <li>bubble sort</li>
  <li>insertion sort</li>
  <li>selection sort</li>
  <li>merge sort</li>
  <li>quick sort?</li>
  </ul>