Solution of the task: IMO Shortlist 2011 problem G7
Solutions
#Time ↓TaskUserSolutionCorrectness
151196 years, 2 monthsIMO Shortlist 2011 problem G7kivanovic empty  
123677 years, 2 monthsIMO Shortlist 2011 problem G7PETARMAT empty  
77269 years, 1 monthIMO Shortlist 2011 problem G7leonstaresinic empty