Solution of the task: IMO Shortlist 2011 problem A7
Solutions
#Time ↓TaskUserSolutionCorrectness
154627 years, 3 monthsIMO Shortlist 2011 problem A7lkkraljevic to do  
114999 years, 1 monthIMO Shortlist 2011 problem A7PETARMAT empty  
110549 years, 4 monthsIMO Shortlist 2011 problem A7Lugo empty  
365510 years, 11 monthsIMO Shortlist 2011 problem A7leonstaresinic empty