Solution of the task: IMO Shortlist 2007 problem C6
Solutions
#Time ↓TaskUserSolutionCorrectness
198873 years, 7 monthsIMO Shortlist 2007 problem C611235 empty  
148957 years, 10 monthsIMO Shortlist 2007 problem C6lkkraljevic to do  
141728 years, 1 monthIMO Shortlist 2007 problem C6PETARMAT empty  
136788 years, 4 monthsIMO Shortlist 2007 problem C6JakovCigrovski empty