cp/codeforces/762/io/d.in
2025-09-09 09:47:57 +02:00

25 lines
104 B
Text

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