Problems from Baltic Olympiad in Informatics 2017, Day 2

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Cat in a tree 169 29 17% 0.05 38 23 61% 7.4
Friends 37 7 19% 0.16 7 4 57% 6.4
Plus Minus 164 56 34% 0.04 27 25 93% 3.4