P9648 的小数据,d
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Recall the definition of a trie:
A trie of size
�
n is a rooted tree with
�
n vertices and
(
�
−
1
)
(n−1) edges, where each edge is marked with a character;
Each vertex in a trie represents a string. Let
�
(
�
)
s(x) be the string vertex
�
x represents;
The root of the trie represents an empty string. Let vertex
�
u be the parent of vertex
�
v, and let
�
c be the character marked on the edge connecting vertex
�
u and
�
v, we have
�
(
�
)
s(v) =
�
(
�
)
+
�
s(u)+c. Here
+
+ indicat
10
10
4 2 g
3 1 a
8 10 f
5 2 a
7 1 c
6 10 f
1 10 d
2 3 g
9 6 i
28
7 1 i
7 12 g
25 1 h
19 15 a
1 10 g
11 15 d
28 1 f
23 10 j
19 13 j
24 1 a
13 27 e
21 17 e
17 16 e
5 4 a
21 12 f
17 15 i
3 24 e
21 9 f
9 8 b
11 14 i
22 8 a
5 17 c
11 18 a
23 26 a
20 21 i
17 6 f
2 17 a
25
4 11 e
1 16 a
3 22 a
19 16 c
23 4 a
4 6 a
4 10 a
23 18 i
20 3 c
14 25 f
7 22 g
16 18 a
25 15 a
19 14 i
15 12 a
22 15 g
13 7 i
9 1 c
19 2 i
11 17 b
5 12 a
8 12 d
24 7 a
21 20 g
24
13 6 a
1 21 f
13 7 g
2 21 d
1 18 a
19 1 a
2 17 b
1 12 j
11 13 h
17 22 a
19 4 a
5 10 c
20 16 f
1 7 a
16 17 e
17 15 c
24 17 a
1 23 c
1 10 h
19 14 j
3 19 a
7 9 e
13 8 g
26
9 4 c
15 21 e
21 19 f
4 13 d
13 1 g
20 7 a
13 17 g
3 15 c
19 1 i
15 22 i
11 24 g
19 25 a
17 11 g
19 5 g
15 18 d
23 14 f
19 14 j
7 21 a
6 7 f
23 8 a
16 1 j
12 9 e
10 21 d
15 26 a
2 23 c
18
18 1 e
1 7 d
17 1 b
17 5 e
6 7 a
10 11 e
5 9 f
8 9 i
13 7 a
3 7 b
18 12 e
14 15 i
16 7 a
12 14 i
4 8 c
1 11 a
2 12 a
24
1 13 g
11 1 g
4 13 a
17 1 g
20 7 e
1 20 e
11 22 g
21 19 c
7 24 b
14 10 i
1 15 g
9 19 e
1 12 a
17 16 e
11 5 a
17 21 j
8 7 g
10 1 f
23 12 a
17 3 e
2 22 g
17 6 i
5 18 i
30
1 29 a
22 21 j
22 7 j
16 1 g
3 21 a
21 11 i
23 28 a
7 25 i
8 11 e
7 27 e
4 13 f
7 23 i
16 13 a
11 14 g
17 29 b
16 28 a
19 30 g
29 26 j
9 10 e
6 7 a
11 19 f
20 1 a
23 5 i
15 26 b
24 28 a
24 9 f
18 7 a
26 2 e
25 12 f
20
11 9 c
1 8 a
1 11 g
4 13 f
3 1 g
17 11 i
9 14 f
13 16 e
6 10 a
13 9 c
12 15 a
7 5 c
17 20 g
5 1 i
11 15 e
6 9 j
19 5 i
18 20 a
11 2 a
25
11 14 g
10 19 f
1 15 a
20 1 b
11 17 a
24 9 f
22 1 b
6 7 f
1 25 e
19 13 i
11 2 i
2 23 e
8 24 a
6 13 e
4 15 i
2 4 g
6 15 a
2 12 c
23 21 e
11 18 a
1 8 a
16 15 i
4 5 a
12 3 g