Sprendimus, kurių bylos vardas baigiasi "1" parengė Lietuvos moksleiviai olimpiadininkai, likę sprendimai paimti iš Kinijoje parengto tinklalapio: http://free.prohosting.com/~ioigs/ The solutions named *1.* were made by the participants of BOI'99 from Lithuania. Other solutions were downloaded from the website: http://free.prohosting.com/~ioigs/