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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
#802527#8091. HypnoHuangHanShengWA 1ms8092kbC++231.9kb2024-12-07 13:57:182024-12-07 13:57:18

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 6008kb

input:

3 3
1 2
1 3
2 3

output:

1.5000000000

result:

ok found '1.500000000', expected '1.500000000', error '0.000000000'

Test #2:

score: 0
Accepted
time: 1ms
memory: 8092kb

input:

4 4
1 2
2 4
4 3
3 1

output:

2.8750000000

result:

ok found '2.875000000', expected '2.875000000', error '0.000000000'

Test #3:

score: 0
Accepted
time: 1ms
memory: 5836kb

input:

2 1
2 1

output:

1.5000000000

result:

ok found '1.500000000', expected '1.500000000', error '0.000000000'

Test #4:

score: -100
Wrong Answer
time: 1ms
memory: 5828kb

input:

25 40
8 1
16 20
2 22
1 13
9 25
16 21
12 7
11 7
2 8
4 12
6 20
19 13
14 4
20 11
23 9
3 15
5 18
24 18
7 16
14 15
17 10
10 21
11 21
19 24
22 11
14 25
2 17
6 4
20 12
16 22
4 3
17 1
22 10
2 21
3 25
15 6
6 7
12 15
23 5
8 10

output:

12.0000000000

result:

wrong answer 1st numbers differ - expected: '11.9902344', found: '12.0000000', error = '0.0008145'