Solution of the task: IMO Shortlist 2005 problem N5
Solutions
#Time ↓TaskUserSolutionCorrectness
191651 year, 4 monthsIMO Shortlist 2005 problem N511235 empty  
167684 years, 2 monthsIMO Shortlist 2005 problem N5abeker empty  
126956 years, 4 monthsIMO Shortlist 2005 problem N5PETARMAT empty