A special issue of the journal “Olympiad in Informatics” is devoted to the IOI 2017.
The special issue focuses on the IOI experience and ideas from the host country, Iran. It also contains an interesting interview with Donald Knuth, widely known as the “father of the analysis of algorithms”.
You can download the special issue in pdf format.
A short video of the interview with Donald Knuth is also available at this page.
Donald Knuth playing organ. Photo taken from the special issue.