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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#186818#5545. Contingency PlanHuangHanShengWA 8ms30296kbC++202.5kb2023-09-24 12:09:532023-09-24 12:09:53

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 30296kb

input:

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

output:

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

result:

ok AC

Test #2:

score: 0
Accepted
time: 4ms
memory: 27872kb

input:

3
1 2
2 3

output:

-1

result:

ok AC

Test #3:

score: 0
Accepted
time: 3ms
memory: 27752kb

input:

2
2 1

output:

-1

result:

ok AC

Test #4:

score: 0
Accepted
time: 8ms
memory: 29328kb

input:

5
2 1
2 3
2 4
4 5

output:

5 1
5 3
5 2
1 4

result:

ok AC

Test #5:

score: -100
Wrong Answer
time: 4ms
memory: 29344kb

input:

5
1 4
3 4
4 5
2 5

output:

5 1
5 3
1 4
1 2

result:

wrong answer u and v already exists