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OI-codes/S2OJ/18/data/ex_tree2.in
2022-05-29 07:47:12 +08:00

19 lines
114 B (Stored with Git LFS)
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10 3 4
1 1 0
1 1 0
1 0 1
2 1 2 2 1 2 3 3 2 1
1 2
1 3
3 4
2 5
2 6
2 7
7 8
8 9
2 10
2 7 1 3
2 6 1 2
2 8 2 1
2 9 2 2