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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#155740#4218. Hidden Graphalch07TL 0ms0kbC++142.0kb2023-09-02 03:31:052023-09-02 03:31:05

Details

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Test #1:

score: 0
Time Limit Exceeded

input:

3
1 2
-1 -1
1 3
-1 -1
2 3
-1 -1

output:

? 2 2 1 
? 1 2 
? 2 3 1 
? 1 3 
? 2 3 2 
? 1 3 
? 2 1 0 

result: