0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-11-30 17:16:26 +00:00
OI-codes/LibreOJ/2431/data/hot0.in

8 lines
26 B (Stored with Git LFS)
Plaintext

7
1 2
5 7
2 5
2 3
5 6
4 5