Solution of the task: IMO Shortlist 2013 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
200283 years, 6 monthsIMO Shortlist 2013 problem C511235 empty  
152327 years, 6 monthsIMO Shortlist 2013 problem C5marin049 empty  
127868 years, 6 monthsIMO Shortlist 2013 problem C5lkkraljevic empty  
115309 years, 1 monthIMO Shortlist 2013 problem C5PETARMAT empty  
114909 years, 1 monthIMO Shortlist 2013 problem C5abeker empty