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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#196040#6503. DFS Order 3ZhaoZiLongWA 0ms3944kbC++14817b2023-10-01 11:17:242023-10-01 11:17:25

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3944kb

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
1
1
1

result:

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