Solution of the task: IMO Shortlist 2015 problem A3
Solutions
#Time ↓TaskUserSolutionCorrectness
191363 years, 10 monthsIMO Shortlist 2015 problem A311235 empty  
160504 years, 1 monthIMO Shortlist 2015 problem A3binkret empty  
144027 years, 10 monthsIMO Shortlist 2015 problem A3PETARMAT empty