Solution of the task: IMO Shortlist 2009 problem A5
Solutions
#Time ↓TaskUserSolutionCorrectness
187173 years, 1 monthIMO Shortlist 2009 problem A511235 to do  
151776 years, 3 monthsIMO Shortlist 2009 problem A5matsimic empty  
137167 yearsIMO Shortlist 2009 problem A5marin049 empty  
109788 yearsIMO Shortlist 2009 problem A5PETARMAT empty  
52709 yearsIMO Shortlist 2009 problem A5leonstaresinic empty  
71839 years, 3 monthsIMO Shortlist 2009 problem A5abeker empty