Solution of the task: IMO Shortlist 2013 problem C6
Solutions
#Time ↓TaskUserSolutionCorrectness
155007 years, 3 monthsIMO Shortlist 2013 problem C6marin049 empty  
154647 years, 3 monthsIMO Shortlist 2013 problem C6lkkraljevic to do  
136558 years, 4 monthsIMO Shortlist 2013 problem C6PETARMAT empty  
115379 years, 1 monthIMO Shortlist 2013 problem C6abeker empty