0
1
mirror of https://git.sb/baoshuo/OI-codes.git synced 2024-12-04 19:46:28 +00:00
OI-codes/BZOJ/1123/data/9.in

7 lines
24 B (Stored with Git LFS)
Plaintext

5 5
1 2
2 3
1 3
3 4
4 5