Solution of the task: IMO Shortlist 2002 problem A6
Solutions
#Time ↓TaskUserSolutionCorrectness
155366 years, 9 monthsIMO Shortlist 2002 problem A6marin049 ??????????? ???? ? ?????????? ???
142377 years, 7 monthsIMO Shortlist 2002 problem A6PETARMAT empty  
128288 yearsIMO Shortlist 2002 problem A6abeker empty