Problems from Baltic Olympiad in Informatics 2017, Day 2

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Cat in a tree 236 49 21% 0.05 55 35 64% 5.6
Friends 50 9 18% 0.04 9 6 67% 5.7
Plus Minus 230 76 33% 0.04 48 44 92% 3.1