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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
#357974#6503. DFS Order 3HuangHanShengWA 0ms7764kbC++17824b2024-03-19 15:59:472024-03-19 15:59:48

詳細信息

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 7764kb

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 4
2 3
2 4
3 5
4 5

result:

wrong answer your output is not a tree (test case 4)
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