mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-10 07:58:52 +00:00
202 lines
957 B (Stored with Git LFS)
Plaintext
202 lines
957 B (Stored with Git LFS)
Plaintext
10
|
|
20
|
|
1 2
|
|
2 3
|
|
2 4
|
|
2 5
|
|
1 6
|
|
3 7
|
|
3 8
|
|
1 9
|
|
5 10
|
|
9 11
|
|
2 12
|
|
9 13
|
|
10 14
|
|
10 15
|
|
1 16
|
|
12 17
|
|
11 18
|
|
5 19
|
|
5 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
3 5
|
|
5 6
|
|
3 7
|
|
7 8
|
|
1 9
|
|
9 10
|
|
5 11
|
|
11 12
|
|
1 13
|
|
13 14
|
|
11 15
|
|
15 16
|
|
1 17
|
|
17 18
|
|
3 19
|
|
19 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
3 5
|
|
4 6
|
|
6 7
|
|
3 8
|
|
8 9
|
|
3 10
|
|
5 11
|
|
2 12
|
|
3 13
|
|
4 14
|
|
12 15
|
|
4 16
|
|
15 17
|
|
6 18
|
|
10 19
|
|
12 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
1 5
|
|
5 6
|
|
3 7
|
|
7 8
|
|
7 9
|
|
9 10
|
|
7 11
|
|
11 12
|
|
3 13
|
|
13 14
|
|
13 15
|
|
15 16
|
|
5 17
|
|
17 18
|
|
17 19
|
|
19 20
|
|
20
|
|
1 2
|
|
2 3
|
|
3 4
|
|
3 5
|
|
1 6
|
|
5 7
|
|
4 8
|
|
8 9
|
|
6 10
|
|
8 11
|
|
11 12
|
|
11 13
|
|
4 14
|
|
10 15
|
|
12 16
|
|
13 17
|
|
13 18
|
|
1 19
|
|
1 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
1 5
|
|
5 6
|
|
5 7
|
|
7 8
|
|
1 9
|
|
9 10
|
|
5 11
|
|
11 12
|
|
11 13
|
|
13 14
|
|
13 15
|
|
15 16
|
|
15 17
|
|
17 18
|
|
5 19
|
|
19 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
2 5
|
|
1 6
|
|
6 7
|
|
6 8
|
|
7 9
|
|
5 10
|
|
7 11
|
|
5 12
|
|
4 13
|
|
9 14
|
|
14 15
|
|
15 16
|
|
16 17
|
|
4 18
|
|
1 19
|
|
4 20
|
|
20
|
|
1 2
|
|
1 3
|
|
1 4
|
|
1 5
|
|
4 6
|
|
6 7
|
|
1 8
|
|
1 9
|
|
2 10
|
|
3 11
|
|
9 12
|
|
9 13
|
|
8 14
|
|
14 15
|
|
3 16
|
|
1 17
|
|
15 18
|
|
10 19
|
|
18 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
1 5
|
|
5 6
|
|
3 7
|
|
7 8
|
|
1 9
|
|
9 10
|
|
3 11
|
|
11 12
|
|
11 13
|
|
13 14
|
|
5 15
|
|
15 16
|
|
3 17
|
|
17 18
|
|
7 19
|
|
19 20
|
|
20
|
|
1 2
|
|
1 3
|
|
3 4
|
|
1 5
|
|
5 6
|
|
1 7
|
|
7 8
|
|
5 9
|
|
9 10
|
|
5 11
|
|
11 12
|
|
3 13
|
|
13 14
|
|
13 15
|
|
15 16
|
|
3 17
|
|
17 18
|
|
7 19
|
|
19 20
|