Solution of the task: IMO Shortlist 2009 problem A1
Solutions
#Time ↓TaskUserSolutionCorrectness
192603 yearsIMO Shortlist 2009 problem A111235 empty  
132337 years, 8 monthsIMO Shortlist 2009 problem A1JakovCigrovski empty  
121937 years, 11 monthsIMO Shortlist 2009 problem A1lkkraljevic empty  
117078 years, 2 monthsIMO Shortlist 2009 problem A1helen1c empty  
117028 years, 2 monthsIMO Shortlist 2009 problem A1Daniel_Sirola empty  
104908 years, 9 monthsIMO Shortlist 2009 problem A1PETARMAT empty  
83329 years, 7 monthsIMO Shortlist 2009 problem A1abeker empty