Solution of the task: IMO Shortlist 1998 problem C1
Solutions
#Time ↓TaskUserSolutionCorrectness
121068 years, 3 monthsIMO Shortlist 1998 problem C1PETARMAT empty  
91379 years, 7 monthsIMO Shortlist 1998 problem C1ad empty  
303911 years, 11 monthsIMO Shortlist 1998 problem C1kristijan empty