Solution of the task: IMO Shortlist 2011 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
168304 years, 10 monthsIMO Shortlist 2011 problem C5ivanvojvodic empty  
155495 years, 10 monthsIMO Shortlist 2011 problem C5marin049 empty  
150906 years, 3 monthsIMO Shortlist 2011 problem C5lkkraljevic empty  
123597 years, 2 monthsIMO Shortlist 2011 problem C5PETARMAT empty