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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
#158039#5545. Contingency Planntu_vjudge_1TL 2ms8804kbC++171.5kb2023-09-02 16:09:092023-09-02 16:09:10

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 8304kb

input:

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

output:

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

result:

ok AC

Test #2:

score: 0
Accepted
time: 0ms
memory: 8372kb

input:

3
1 2
2 3

output:

-1

result:

ok AC

Test #3:

score: 0
Accepted
time: 1ms
memory: 8388kb

input:

2
2 1

output:

-1

result:

ok AC

Test #4:

score: 0
Accepted
time: 2ms
memory: 8804kb

input:

5
2 1
2 3
2 4
4 5

output:

3 1
4 3
2 5
3 5

result:

ok AC

Test #5:

score: 0
Accepted
time: 2ms
memory: 8772kb

input:

5
1 4
3 4
4 5
2 5

output:

1 3
3 5
4 2
2 3

result:

ok AC

Test #6:

score: 0
Accepted
time: 0ms
memory: 8708kb

input:

5
5 2
1 2
4 2
3 4

output:

5 1
1 4
3 2
3 1

result:

ok AC

Test #7:

score: -100
Time Limit Exceeded

input:

20000
1 2
1 3
4 1
5 1
6 1
7 1
1 8
1 9
1 10
1 11
12 1
1 13
14 1
1 15
1 16
17 1
1 18
1 19
20 1
21 1
22 1
1 23
24 1
1 25
26 1
1 27
28 1
29 1
30 1
1 31
1 32
1 33
1 34
1 35
36 1
1 37
1 38
1 39
40 1
41 1
1 42
1 43
44 1
1 45
46 1
1 47
48 1
49 1
1 50
1 51
52 1
53 1
54 1
1 55
56 1
57 1
58 1
1 59
60 1
61 1
1 ...

output:


result: