QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#868797#9969. Kindergarten SquareMaMengQiTL 1ms3712kbC++201.4kb2025-01-24 20:49:562025-01-24 20:49:57

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3712kb

input:

4
6 7
10 11
2 3
4 5
8 5
5 13
1 2
5 6

output:

3 4
-1
-1
2 4

result:

ok All testcases passed.

Test #2:

score: -100
Time Limit Exceeded

input:

10
1 2
4 5
4 3
2 1
1 2
5 6
2 3
5 6
2 3
6 7
3 4
6 7
2 1
3 4
1 2
2 3
2 3
3 4
7 7
7 7

output:


result: