Solution of the task: IMO Shortlist 2011 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
168306 years, 3 monthsIMO Shortlist 2011 problem C5ivanvojvodic empty  
155497 years, 3 monthsIMO Shortlist 2011 problem C5marin049 empty  
150907 years, 8 monthsIMO Shortlist 2011 problem C5lkkraljevic empty  
123598 years, 7 monthsIMO Shortlist 2011 problem C5PETARMAT empty