Complex sentence: Ciprian Manolescu (Romania) managed to write a perfect paper (42 points) for gold medal more times than anybody else in history of competition, doing it all three times he participated in IMO (1995,1996,1997).
Split into simpler sentences: Ciprian Manolescu (Romania) managed to write a perfect paper (42 points) for gold medal more times than anybody else in history of competition. He did it all three times he participated in IMO (1995,1996,1997).