0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-12-01 03:36:27 +00:00
OI-codes/Luogu/P7687/data/net1.in

13 lines
55 B (Stored with Git LFS)
Plaintext

10 9 1 2
4
5 10
2 1
3 1
4 3
5 4
6 2
7 3
8 2
9 6
10 3