Steven Halim Felix Halim Suhendry Effendy <br/><br/>
Competitive Programming 4: BOOK 2  The lower bound of programming contests in the 2020s : chapter 5-9 

 - 13th 
 - 616 page 
<br/><br/><label>ISBN: </label>978-1716745515 
<br/><br/><label>Dewey Class. No.: </label>005.3  / S-82