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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#207476#6503. DFS Order 3ucup-team1137#WA 140ms3624kbC++201.6kb2023-10-08 16:05:512023-10-08 16:05:53

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

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

output:

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

result:

ok correct answer! (4 test cases)

Test #2:

score: -100
Wrong Answer
time: 140ms
memory: 3624kb

input:

20000
10
1 2 4 5 6 7 3 8 10 9
2 1 4 5 6 7 3 8 10 9
3 8 1 2 4 5 6 7 10 9
4 5 6 7 1 2 3 8 10 9
5 4 6 7 1 2 3 8 10 9
6 7 4 5 1 2 3 8 10 9
7 6 4 5 1 2 3 8 10 9
8 3 1 2 4 5 6 7 10 9
9 10 1 2 4 5 6 7 3 8
10 1 2 4 5 6 7 3 8 9
10
1 4 3 8 2 9 6 5 7 10
2 8 9 6 3 4 1 5 7 10
3 8 2 9 6 4 1 5 7 10
4 1 3 8 2 9 6 5...

output:

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

result:

wrong answer your output is not a tree (test case 3)
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