Solution of the task: IMO Shortlist 2009 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
192653 years, 1 monthIMO Shortlist 2009 problem C511235 empty  
168335 years, 7 monthsIMO Shortlist 2009 problem C5ivanvojvodic empty  
155506 years, 7 monthsIMO Shortlist 2009 problem C5marin049 empty  
115138 years, 5 monthsIMO Shortlist 2009 problem C5PETARMAT empty  
113488 years, 6 monthsIMO Shortlist 2009 problem C5abeker empty  
680910 years, 1 monthIMO Shortlist 2009 problem C5leonstaresinic empty