Solution of the task: IMO Shortlist 2010 problem N4
Solutions
#Time ↓TaskUserSolutionCorrectness
204153 years, 4 monthsIMO Shortlist 2010 problem N411235 empty  
168846 years, 1 monthIMO Shortlist 2010 problem N4ivanvojvodic empty  
104289 years, 6 monthsIMO Shortlist 2010 problem N4PETARMAT empty  
769410 years, 6 monthsIMO Shortlist 2010 problem N4abeker empty