QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#577573#5545. Contingency PlanGuanYunchangWA 0ms3488kbC++171.7kb2024-09-20 12:57:382024-09-20 12:57:38

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3488kb

input:

7
1 2
3 7
2 4
2 5
1 3
3 6

output:

2 7
7 1
4 7
5 7
3 6
6 7

result:

wrong answer u and v already exists