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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#147443#6503. DFS Order 3ZhangYiDeWA 8ms3612kbC++142.3kb2023-08-23 09:38:392023-08-25 01:31:17

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3416kb

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

result:

ok correct answer! (4 test cases)

Test #2:

score: -100
Wrong Answer
time: 8ms
memory: 3612kb

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

result:

wrong answer your output is not a tree (test case 1)
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