Solution of the task: IMO Shortlist 2009 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
192652 years, 6 monthsIMO Shortlist 2009 problem C511235 empty  
168334 years, 11 monthsIMO Shortlist 2009 problem C5ivanvojvodic empty  
155505 years, 11 monthsIMO Shortlist 2009 problem C5marin049 empty  
115137 years, 9 monthsIMO Shortlist 2009 problem C5PETARMAT empty  
113487 years, 10 monthsIMO Shortlist 2009 problem C5abeker empty  
68099 years, 5 monthsIMO Shortlist 2009 problem C5leonstaresinic empty