QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#595581#8239. Mysterious Treeucup-team5073TL 0ms0kbC++204.2kb2024-09-28 14:02:502024-09-28 14:02:51

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 0
Time Limit Exceeded

input:

2
4
1
0
0
1
0
4
0
0
0
0
0

output:

? 1 2
? 1 3
? 1 4
? 2 3
? 2 4
! 1
? 1 2
? 1 2
? 1 2
? 1 2
? 1 2
? 1 2

result: