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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#619123#8239. Mysterious TreeMaMengQiRE 16ms10552kbPython31.2kb2024-10-07 13:08:452024-10-07 13:08:45

Details

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Test #1:

score: 100
Accepted
time: 16ms
memory: 10552kb

input:

2
4
1
0
1
0
4
0
1
1
1

output:

? 1 2

? 3 1

? 3 2

? 4 2

! 1
? 1 2

? 3 4

? 1 3

? 2 3

! 2

result:

ok Correct (2 test cases)

Test #2:

score: -100
Dangerous Syscalls

input:

87
13
0
0
0
0
0
1
0
1
1
15
0
0
0
0
0
0
1
1
1
7
0
0
0

output:

? 1 2

? 3 4

? 5 6

? 7 8

? 9 10

? 11 12

? 1 11

? 1 12

? 2 12

! 2
? 1 2

? 3 4

? 5 6

? 7 8

? 9 10

? 11 12

? 13 14

? 1 13

? 2 13

! 2
? 1 2

? 3 4

? 5 6

! 1

result: