Comment Comment by Khroma http://www.ioi2009.org/index.jsp;jsessionid=0B6696CAD77A7898...This is the International Informatics Olympiad 2009's page. They have PDFs. Problems range in difficulty, but it does take a lot of thought and time to solve each of the problems. parent Khroma 15 years ago
This is the International Informatics Olympiad 2009's page. They have PDFs. Problems range in difficulty, but it does take a lot of thought and time to solve each of the problems.