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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#71979#5377. $N$ 门问题larryzhong60 526ms10088kbPython3662b2023-01-13 01:10:012023-01-13 01:10:03

Details

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Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 2ms
memory: 7984kb

input:

1
2 3

output:

0.500000

result:

ok single line: '0.500000'

Test #2:

score: 0
Accepted
time: 19ms
memory: 8104kb

input:

1
3 5

output:

0.666667

result:

ok single line: '0.666667'

Test #3:

score: 0
Accepted
time: 9ms
memory: 7904kb

input:

1
4 5

output:

0.625000

result:

ok single line: '0.625000'

Test #4:

score: 0
Accepted
time: 4ms
memory: 7976kb

input:

1
0 4

output:

error

result:

ok single line: 'error'

Test #5:

score: 0
Accepted
time: 19ms
memory: 7884kb

input:

1
1 3

output:

error

result:

ok single line: 'error'

Subtask #2:

score: 10
Accepted

Test #6:

score: 10
Accepted
time: 11ms
memory: 7988kb

input:

8
1 160005726539569
1 233
0 1
1 2947295521
1 686719856393
1 54289
1 12649337
1 37281334283719577

output:

error

result:

ok single line: 'error'

Test #7:

score: 0
Accepted
time: 7ms
memory: 7988kb

input:

10
2 64
0 2
2 512
2 4
2 32
2 16
2 256
0 1
2 8
2 128

output:

0.500000

result:

ok single line: '0.500000'

Test #8:

score: 0
Accepted
time: 7ms
memory: 8104kb

input:

10
3 256
3 16
0 1
3 8
3 512
3 32
3 4
3 128
3 64
1 2

output:

0.666667

result:

ok single line: '0.666667'

Test #9:

score: 0
Accepted
time: 11ms
memory: 7984kb

input:

10
0 2
4 8
0 4
4 256
0 1
4 512
4 32
4 128
4 64
4 16

output:

0.625000

result:

ok single line: '0.625000'

Test #10:

score: 0
Accepted
time: 9ms
memory: 8116kb

input:

10
5 128
5 32
5 16
1 4
0 1
5 64
5 256
5 512
1 2
5 8

output:

0.466667

result:

ok single line: '0.466667'

Test #11:

score: 0
Accepted
time: 5ms
memory: 8104kb

input:

10
6 32
6 16
6 256
6 64
0 1
6 128
0 2
6 512
6 8
2 4

output:

0.416667

result:

ok single line: '0.416667'

Test #12:

score: 0
Accepted
time: 5ms
memory: 8000kb

input:

2
1000000007 1000000008
2 4

output:

error

result:

ok single line: 'error'

Test #13:

score: 0
Accepted
time: 2ms
memory: 7976kb

input:

3
0 1001
0 241221531
0 2

output:

error

result:

ok single line: 'error'

Test #14:

score: 0
Accepted
time: 9ms
memory: 8040kb

input:

3
6 1001
6 241221531
0 2

output:

0.416667

result:

ok single line: '0.416667'

Subtask #3:

score: 10
Accepted

Dependency #2:

100%
Accepted

Test #15:

score: 10
Accepted
time: 13ms
memory: 8044kb

input:

8
1 160005726539569
1 233
0 1
1 2947295521
1 686719856393
1 54289
1 12649337
1 37281334283719577

output:

error

result:

ok single line: 'error'

Test #16:

score: 0
Accepted
time: 6ms
memory: 7996kb

input:

10
2 64
0 2
2 512
2 4
2 32
2 16
2 256
0 1
2 8
2 128

output:

0.500000

result:

ok single line: '0.500000'

Test #17:

score: 0
Accepted
time: 5ms
memory: 7980kb

input:

10
3 256
3 16
0 1
3 8
3 512
3 32
3 4
3 128
3 64
1 2

output:

0.666667

result:

ok single line: '0.666667'

Test #18:

score: 0
Accepted
time: 6ms
memory: 8116kb

input:

10
0 2
4 8
0 4
4 256
0 1
4 512
4 32
4 128
4 64
4 16

output:

0.625000

result:

ok single line: '0.625000'

Test #19:

score: 0
Accepted
time: 2ms
memory: 7996kb

input:

10
5 128
5 32
5 16
1 4
0 1
5 64
5 256
5 512
1 2
5 8

output:

0.466667

result:

ok single line: '0.466667'

Test #20:

score: 0
Accepted
time: 2ms
memory: 8068kb

input:

10
6 32
6 16
6 256
6 64
0 1
6 128
0 2
6 512
6 8
2 4

output:

0.416667

result:

ok single line: '0.416667'

Test #21:

score: 0
Accepted
time: 7ms
memory: 8048kb

input:

10
7 16
7 8
3 4
0 1
7 32
7 256
7 64
1 2
7 512
7 128

output:

0.342857

result:

ok single line: '0.342857'

Test #22:

score: 0
Accepted
time: 9ms
memory: 8104kb

input:

10
8 16
8 64
8 32
0 1
0 8
0 2
8 128
0 4
8 256
8 512

output:

0.291667

result:

ok single line: '0.291667'

Test #23:

score: 0
Accepted
time: 6ms
memory: 7996kb

input:

10
1 2
113 128
0 8
1 16
49 64
17 32
241 256
1 4
241 512
0 1

output:

error

result:

ok single line: 'error'

Test #24:

score: 0
Accepted
time: 14ms
memory: 8100kb

input:

10
5 8
237 512
1 2
13 32
12 16
0 1
109 128
1 4
45 64
237 256

output:

error

result:

ok single line: 'error'

Test #25:

score: 0
Accepted
time: 8ms
memory: 8032kb

input:

10
11 16
43 64
235 512
11 32
3 4
0 1
235 256
0 2
107 128
3 8

output:

error

result:

ok single line: 'error'

Test #26:

score: 0
Accepted
time: 14ms
memory: 7984kb

input:

10
9 32
1 2
41 64
233 512
233 256
1 4
0 1
9 16
1 8
115 128

output:

error

result:

ok single line: 'error'

Subtask #4:

score: 10
Accepted

Dependency #3:

100%
Accepted

Test #27:

score: 10
Accepted
time: 17ms
memory: 7992kb

input:

8
1 5
1 15
1 2
1 30
1 3
0 1
1 6
1 10

output:

error

result:

ok single line: 'error'

Test #28:

score: 0
Accepted
time: 14ms
memory: 7980kb

input:

8
2 30
2 15
0 1
2 6
2 5
2 3
2 10
0 2

output:

0.500000

result:

ok single line: '0.500000'

Test #29:

score: 0
Accepted
time: 6ms
memory: 8036kb

input:

8
0 1
0 3
0 15
0 2
0 30
0 6
0 5
0 10

output:

error

result:

ok single line: 'error'

Test #30:

score: 0
Accepted
time: 7ms
memory: 7980kb

input:

8
1 2
5 30
0 1
0 5
2 3
5 6
5 15
5 10

output:

0.466667

result:

ok single line: '0.466667'

Test #31:

score: 0
Accepted
time: 14ms
memory: 8116kb

input:

8
3 5
0 3
3 15
3 10
0 1
1 2
3 30
3 6

output:

0.666667

result:

ok single line: '0.666667'

Test #32:

score: 0
Accepted
time: 17ms
memory: 8040kb

input:

6
0 3
3 4
1 2
3 6
0 1
3 12

output:

0.666667

result:

ok single line: '0.666667'

Test #33:

score: 0
Accepted
time: 17ms
memory: 7976kb

input:

6
0 1
2 6
0 4
2 3
0 2
8 12

output:

0.291667

result:

ok single line: '0.291667'

Test #34:

score: 0
Accepted
time: 17ms
memory: 7988kb

input:

6
0 1
1 2
2 3
1 4
5 6
5 12

output:

0.466667

result:

ok single line: '0.466667'

Test #35:

score: 0
Accepted
time: 10ms
memory: 8000kb

input:

6
3 12
1 2
0 3
0 1
3 4
3 6

output:

0.666667

result:

ok single line: '0.666667'

Test #36:

score: 0
Accepted
time: 14ms
memory: 7996kb

input:

1
5 6

output:

0.466667

result:

ok single line: '0.466667'

Test #37:

score: 0
Accepted
time: 8ms
memory: 7980kb

input:

1
6 7

output:

0.416667

result:

ok single line: '0.416667'

Test #38:

score: 0
Accepted
time: 12ms
memory: 8032kb

input:

1
7 8

output:

0.342857

result:

ok single line: '0.342857'

Test #39:

score: 0
Accepted
time: 9ms
memory: 7976kb

input:

4
0 2
0 4
2 3
3 5

output:

0.291667

result:

ok single line: '0.291667'

Test #40:

score: 0
Accepted
time: 21ms
memory: 8036kb

input:

4
0 3
0 9
1 2
4 5

output:

0.253968

result:

ok single line: '0.253968'

Test #41:

score: 0
Accepted
time: 16ms
memory: 7992kb

input:

3
0 2
0 5
1 3

output:

0.225000

result:

ok single line: '0.225000'

Test #42:

score: 0
Accepted
time: 2ms
memory: 7908kb

input:

6
0 1
0 2
0 6
0 12
0 4
0 3

output:

error

result:

ok single line: 'error'

Test #43:

score: 0
Accepted
time: 2ms
memory: 8040kb

input:

6
837250 1574381
22682 54289
20 29
81 233
6139 6757
0 1

output:

error

result:

ok single line: 'error'

Test #44:

score: 0
Accepted
time: 14ms
memory: 7996kb

input:

6
12521 54289
1478324 1574381
20 29
171 233
0 1
5298 6757

output:

error

result:

ok single line: 'error'

Test #45:

score: 0
Accepted
time: 17ms
memory: 8124kb

input:

8
9430402 12649337
193 233
12831718919798818 37281334283719577
358403095623 686719856393
31260796633308 160005726539569
0 1
38405 54289
1780337582 2947295521

output:

error

result:

ok single line: 'error'

Test #46:

score: 0
Accepted
time: 6ms
memory: 7996kb

input:

8
0 2
6 30
0 1
1 5
0 3
0 6
6 15
6 10

output:

0.416667

result:

ok single line: '0.416667'

Subtask #5:

score: 0
Wrong Answer

Dependency #1:

100%
Accepted

Dependency #4:

100%
Accepted

Test #47:

score: 5
Accepted
time: 110ms
memory: 10088kb

input:

27216
1100249873 1253754216
25197605440 29192187024
1744207706249 2277822821274
12223300097 26875346784
147492353 275539264
320696949581 377638144884
419900489 699380136
453032 1231659
266587329 890393504
7730812097 11914078176
524332817 661404744
2287601 8261694
1156980833 14524544034
967031297 145...

output:

error

result:

ok single line: 'error'

Test #48:

score: -5
Wrong Answer
time: 526ms
memory: 10072kb

input:

27216
1887302 8343192
98702 115368
3405075396542 142252321079232
3015286 10958948
59487416 481578669
1045054 3865664
72754046 23575685952
370699174 794635556
163774430 446662944
10742784326 36887818968
2588314 130307788
1814817881150 2290728087648
59263478 81513432
105993323864 106600637682
27086905...

output:

0.000000

result:

wrong answer 1st lines differ - expected: 'error', found: '0.000000'

Subtask #6:

score: 25
Accepted

Test #57:

score: 25
Accepted
time: 17ms
memory: 8108kb

input:

15
15 17
2 3
5 31
4 5
12 29
38 41
3 11
44 47
16 23
11 19
6 13
3 37
1 2
21 43
5 7

output:

0.000000

result:

ok single line: '0.000000'

Test #58:

score: 0
Accepted
time: 10ms
memory: 7980kb

input:

14
10 16
21 37
0 23
0 5
11 17
1 3
17 29
19 31
33 43
6 13
4 7
16 41
9 19
0 11

output:

0.000000

result:

ok single line: '0.000000'

Test #59:

score: 0
Accepted
time: 5ms
memory: 7988kb

input:

14
7 23
2 16
2 19
9 11
2 5
7 13
2 7
25 41
25 31
3 9
7 43
3 37
8 17
9 29

output:

0.000000

result:

ok single line: '0.000000'

Test #60:

score: 0
Accepted
time: 12ms
memory: 7924kb

input:

14
2 13
14 19
38 43
10 17
3 8
21 29
0 9
4 7
2 5
1 37
2 11
5 23
22 31
10 41

output:

0.000000

result:

ok single line: '0.000000'

Test #61:

score: 0
Accepted
time: 11ms
memory: 7996kb

input:

2
543380932 999999999
451172165 1000000000

output:

0.000000

result:

ok single line: '0.000000'

Test #62:

score: 0
Accepted
time: 15ms
memory: 8000kb

input:

15
1 2
9 13
31 37
1 17
0 23
1 3
2 5
17 31
9 11
5 29
4 47
6 7
40 41
1 19
26 43

output:

0.000000

result:

ok single line: '0.000000'

Test #63:

score: 0
Accepted
time: 472ms
memory: 8872kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

0.000000

result:

ok single line: '0.000000'

Test #64:

score: 0
Accepted
time: 491ms
memory: 8756kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

0.000000

result:

ok single line: '0.000000'

Test #65:

score: 0
Accepted
time: 159ms
memory: 8760kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
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0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

error

result:

ok single line: 'error'

Test #66:

score: 0
Accepted
time: 239ms
memory: 8852kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
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0 1
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0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

error

result:

ok single line: 'error'

Test #67:

score: 0
Accepted
time: 257ms
memory: 8800kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
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0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

0.225000

result:

ok single line: '0.225000'

Test #68:

score: 0
Accepted
time: 258ms
memory: 8824kb

input:

50000
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 ...

output:

0.253968

result:

ok single line: '0.253968'

Test #69:

score: 0
Accepted
time: 8ms
memory: 7996kb

input:

3
0 1
1 707185547
1 1000000000

output:

error

result:

ok single line: 'error'

Subtask #7:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

100%
Accepted

Dependency #5:

0%
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