[-5, 0, 5, -10, 2]   5db
[2, -5, 3, -8, -3]  5db

25db

negativ:
-5   -> 2, -5, 3, -8, -3 -> 5
0    -> -5, -8, -3       -> 3
5    -> -8               -> 1
-10  -> 2, -5, 3, -8, -3 -> 5
2    -> -5, -8, -3       -> 3
t    ->                  -> 17

17/25