Solution of the task: IMO Shortlist 2009 problem A1
Solutions
#Time ↓TaskUserSolutionCorrectness
192602 years, 6 monthsIMO Shortlist 2009 problem A111235 empty  
132337 years, 1 monthIMO Shortlist 2009 problem A1JakovCigrovski empty  
121937 years, 5 monthsIMO Shortlist 2009 problem A1lkkraljevic empty  
117077 years, 8 monthsIMO Shortlist 2009 problem A1helen1c empty  
117027 years, 8 monthsIMO Shortlist 2009 problem A1Daniel_Sirola empty  
104908 years, 2 monthsIMO Shortlist 2009 problem A1PETARMAT empty  
83329 yearsIMO Shortlist 2009 problem A1abeker empty