Solution of the task: IMO Shortlist 1959 problem 3
Solutions
#Time ↓TaskUserSolutionCorrectness
234562 years, 4 monthsIMO Shortlist 1959 problem 3Froon empty  
191553 years, 11 monthsIMO Shortlist 1959 problem 3hrvojezlep empty  
116899 yearsIMO Shortlist 1959 problem 3mikibraco empty