Solution of the task: IMO Shortlist 2017 problem C5
Solutions
#Time ↓TaskUserSolutionCorrectness
191804 yearsIMO Shortlist 2017 problem C5Spyro empty  
190104 years, 3 monthsIMO Shortlist 2017 problem C5binkret empty  
182305 years, 3 monthsIMO Shortlist 2017 problem C5keko37 empty