2018/round3/graph_gift_sample_input.txt

5
2
-1 -1
4
-1 2 -3 4
8
9 4 11 5 7 9 12 3
20
-49 -23 -56 -90 21 -66 -12 -32 -28 -26 -85 -45 -9 -63 -29 1 5 -48 -63 -54
30
-109 -83 -16 -50 19 -26 -72 8 12 -86 -45 -5 -69 -123 11 -59 45 -8 -123 -114 41 -146 -48 3 -58 32 -129 -34 -32 -55