Solution of the task: IMO Shortlist 2009 problem C4
Solutions
#Time ↓TaskUserSolutionCorrectness
176043 years, 4 monthsIMO Shortlist 2009 problem C411235 empty  
148447 years, 10 monthsIMO Shortlist 2009 problem C4nolo_moses empty  
145887 years, 11 monthsIMO Shortlist 2009 problem C4marin049 empty  
123708 years, 1 monthIMO Shortlist 2009 problem C4PETARMAT empty  
122018 years, 8 monthsIMO Shortlist 2009 problem C4JakovCigrovski empty  
113499 years, 2 monthsIMO Shortlist 2009 problem C4abeker empty