Solution of the task: IMO Shortlist 2002 problem A6
Solutions
#Time ↓TaskUserSolutionCorrectness
155365 years, 10 monthsIMO Shortlist 2002 problem A6marin049 ??????????? ???? ? ?????????? ???
142376 years, 8 monthsIMO Shortlist 2002 problem A6PETARMAT empty  
128287 years, 1 monthIMO Shortlist 2002 problem A6abeker empty