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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#730600#5545. Contingency PlanNumbering#RE 2ms9504kbC++172.4kb2024-11-09 20:47:402024-11-09 20:47:41

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 9504kb

input:

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

output:

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

result:

ok AC

Test #2:

score: 0
Accepted
time: 2ms
memory: 8664kb

input:

3
1 2
2 3

output:

-1

result:

ok AC

Test #3:

score: 0
Accepted
time: 2ms
memory: 9480kb

input:

2
2 1

output:

-1

result:

ok AC

Test #4:

score: 0
Accepted
time: 2ms
memory: 9132kb

input:

5
2 1
2 3
2 4
4 5

output:

5 1
5 3
5 2
4 3

result:

ok AC

Test #5:

score: -100
Runtime Error

input:

5
1 4
3 4
4 5
2 5

output:


result: