Solution of the task: IMO Shortlist 2015 problem N6
Solutions
#Time ↓TaskUserSolutionCorrectness
247401 year, 8 monthsIMO Shortlist 2015 problem N6stmmkiki empty  
203853 years, 3 monthsIMO Shortlist 2015 problem N611235 empty  
143687 years, 10 monthsIMO Shortlist 2015 problem N6marin049 empty  
144207 years, 10 monthsIMO Shortlist 2015 problem N6PETARMAT empty