QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#539828#8938. Crawling on a Treeucup-team138#WA 0ms3636kbC++172.4kb2024-08-31 15:47:182024-08-31 15:47:19

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3636kb

input:

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

output:

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

result:

wrong output format Expected integer, but "?" found