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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#86923#4218. Hidden GraphwlxhkkRE 3ms3608kbC++14927b2023-03-11 14:51:002023-03-11 14:51:02

Details

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Test #1:

score: 100
Accepted
time: 3ms
memory: 3608kb

input:

3
1 2
1 3
2 3

output:

? 2 1 2 
? 2 1 3 
? 2 2 3 
! 3
1 2
1 3
2 3

result:

ok correct

Test #2:

score: -100
Runtime Error

input:

10
1 2
1 3
-1 -1
1 4
-1 -1
-1 -1
2 5
4 5
-1 -1

output:

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

result: