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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#777884#6421. Degree of Spanning TreeMaMengQiAC ✓111ms6484kbC++142.7kb2024-11-24 10:39:422024-11-24 10:39:45

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3740kb

input:

2
6 9
1 2
1 3
1 4
2 3
2 4
3 4
4 5
4 6
4 6
3 4
1 3
2 3
3 3
1 2

output:

Yes
1 2
1 3
1 4
4 5
4 6
No

result:

ok 2 cases

Test #2:

score: 0
Accepted
time: 75ms
memory: 3968kb

input:

11140
10 15
9 6
5 7
6 5
2 3
7 5
7 5
3 10
9 7
5 5
9 1
7 5
2 8
7 5
4 3
6 2
9 19
3 7
3 9
2 8
2 8
3 6
5 1
1 8
8 9
8 3
4 8
5 5
3 1
4 3
1 3
8 6
1 3
7 4
4 3
8 8
12 20
10 2
5 5
2 4
3 3
3 3
5 11
9 2
5 5
7 12
11 3
3 3
3 5
5 3
3 1
4 6
7 11
6 8
4 5
6 12
6 5
8 18
4 2
4 3
2 4
2 4
4 3
4 8
2 2
6 7
2 4
6 2
1 4
8 7
4...

output:

Yes
9 6
5 7
6 5
2 3
3 10
9 1
2 8
4 3
6 2
Yes
3 7
3 9
2 8
3 6
5 1
1 8
8 9
4 8
Yes
10 2
2 4
5 11
9 2
7 12
11 3
3 1
4 6
7 11
6 8
4 5
Yes
4 2
4 3
4 8
6 7
6 2
1 4
7 5
Yes
6 5
5 7
5 9
4 3
2 9
2 3
8 7
5 1
Yes
10 2
2 6
3 2
1 9
8 10
4 6
6 1
2 5
1 7
Yes
5 7
5 4
7 1
2 6
6 7
1 3
Yes
12 3
1 13
7 8
8 2
10 6
1 6
1...

result:

ok 11140 cases

Test #3:

score: 0
Accepted
time: 93ms
memory: 6484kb

input:

5
100000 197799
37555 22723
91160 32701
6451 4416
43186 26432
9750 82955
28292 33907
91534 78442
17771 67061
40351 28116
21494 23114
34672 66640
72636 95093
13033 6538
53698 87837
79541 71230
53985 63500
84753 5378
67971 56748
90951 20169
4465 97293
18331 53564
41043 95738
48579 96439
90865 7526
391...

output:

Yes
37555 22723
91160 32701
6451 4416
43186 26432
9750 82955
28292 33907
91534 78442
17771 67061
40351 28116
21494 23114
34672 66640
72636 95093
13033 6538
53698 87837
79541 71230
53985 63500
84753 5378
67971 56748
90951 20169
4465 97293
18331 53564
41043 95738
48579 96439
90865 7526
39102 81376
166...

result:

ok 5 cases

Test #4:

score: 0
Accepted
time: 76ms
memory: 6184kb

input:

5
100000 100000
98195 31806
98195 70169
92153 98195
98195 46320
94369 56771
94369 49988
74295 98195
33796 98195
89903 94369
98195 1814
82388 98195
10189 94369
98195 6267
29845 98195
22425 94369
6241 98195
98195 33204
66516 98195
94369 71364
26277 94369
94369 94722
94369 25349
14629 98195
9329 98195
...

output:

Yes
98195 31806
98195 70169
92153 98195
98195 46320
74295 98195
33796 98195
98195 1814
82388 98195
98195 6267
29845 98195
6241 98195
98195 33204
66516 98195
14629 98195
9329 98195
98195 38219
2486 98195
98195 20493
98195 61932
98195 42896
98195 7191
98195 87857
98195 70948
30162 98195
98195 16793
98...

result:

ok 5 cases

Test #5:

score: 0
Accepted
time: 111ms
memory: 6020kb

input:

5
100000 149998
50735 5447
50735 24875
15119 49666
50735 30352
44756 49555
26546 32695
98445 50735
71657 50735
92212 50735
50735 19382
30935 50735
43688 46767
54630 54562
31371 50735
48877 50735
78593 76833
74317 37258
50735 48236
67116 50735
36579 50735
37536 44353
50735 46602
35088 29568
86657 507...

output:

Yes
15119 49666
44756 49555
26546 32695
43688 46767
54630 54562
78593 76833
74317 37258
37536 44353
35088 29568
78147 8985
5089 21674
3651 54202
56489 16865
66331 31554
26472 4517
67127 75826
29937 30027
64956 34846
20560 74415
40640 27149
11533 48668
8571 76319
85181 71684
18089 97648
70279 74945
9...

result:

ok 5 cases

Test #6:

score: 0
Accepted
time: 66ms
memory: 6084kb

input:

11102
14 14
9 10
10 14
9 11
10 2
9 14
9 5
10 13
9 8
4 9
3 10
10 1
12 10
10 6
9 7
6 6
3 2
3 5
2 6
1 6
3 4
3 6
5 5
3 2
2 1
4 5
2 5
5 3
8 8
5 6
4 6
8 6
8 4
6 1
8 3
2 8
7 8
12 12
8 12
12 2
4 12
9 12
12 3
1 12
1 8
6 8
11 8
7 8
8 10
12 5
15 15
9 15
6 15
13 8
15 3
8 11
15 12
8 2
15 4
8 10
15 8
15 14
8 4
7 ...

output:

Yes
9 11
9 5
9 8
4 9
9 7
9 14
10 1
10 2
10 3
10 6
10 12
10 13
10 14
Yes
3 2
3 5
2 6
1 6
3 4
Yes
4 5
5 3
2 1
2 3
Yes
5 6
4 6
8 6
6 1
8 3
2 8
7 8
Yes
6 8
11 8
7 8
8 10
1 8
12 1
12 2
12 3
12 4
12 5
12 9
Yes
13 8
8 11
8 2
8 10
7 8
5 8
8 4
15 1
15 3
15 4
15 6
15 9
15 12
15 14
Yes
5 9
9 8
1 9
9 4
13 9
6 9...

result:

ok 11102 cases

Test #7:

score: 0
Accepted
time: 76ms
memory: 5924kb

input:

11102
14 19
9 3
3 6
8 3
2 14
7 3
11 3
13 9
3 14
3 5
2 3
7 4
1 10
13 3
4 3
3 1
3 10
12 8
11 6
3 12
11 15
9 11
10 7
1 2
9 6
11 2
11 10
8 11
11 5
3 8
11 4
11 3
11 7
1 11
5 4
6 11
5 6
1 2
4 3
3 5
1 3
5 4
3 2
12 16
8 11
12 10
12 3
5 7
12 5
1 12
9 4
12 2
6 12
12 8
10 1
12 11
7 12
12 9
3 2
4 12
6 7
3 1
6 3...

output:

Yes
2 14
13 9
7 4
1 10
12 8
11 6
3 1
3 5
3 6
3 7
3 8
3 9
3 14
Yes
10 7
1 2
9 6
3 8
5 4
11 2
11 4
11 8
11 9
11 10
Yes
1 2
5 4
3 1
3 4
Yes
8 11
5 7
9 4
10 1
3 2
12 1
12 2
12 5
12 6
12 8
12 9
Yes
4 6
5 1
3 1
3 2
3 6
Yes
4 3
1 6
2 5
1 5
1 4
Yes
1 2
7 5
4 11
8 9
3 10
6 2
6 4
6 7
6 9
6 10
Yes
4 1
3 6
5 1
...

result:

ok 11102 cases

Test #8:

score: 0
Accepted
time: 71ms
memory: 4016kb

input:

100000
5 7
2 5
1 4
2 1
1 3
5 1
4 2
2 3
5 7
2 4
4 3
2 1
4 5
2 5
1 4
3 2
5 7
5 1
4 2
4 5
4 3
4 1
3 1
2 1
5 7
4 1
4 3
3 5
2 5
4 5
2 4
1 5
5 7
5 2
2 1
5 4
2 4
4 3
3 2
1 4
5 7
2 4
5 1
1 3
2 1
2 3
4 1
2 5
5 7
5 4
4 2
5 2
3 5
4 1
5 1
4 3
5 7
1 5
2 3
2 5
2 4
3 5
4 5
1 2
5 7
1 3
5 2
2 4
1 2
5 3
2 3
4 3
5 7
3...

output:

Yes
2 5
4 2
1 3
1 4
Yes
2 1
2 5
4 3
4 5
Yes
5 1
3 1
4 2
4 3
Yes
4 1
4 3
3 5
2 5
Yes
5 2
2 1
5 4
4 3
Yes
2 4
2 3
1 3
1 5
Yes
3 5
5 2
4 1
4 2
Yes
1 5
3 5
2 3
2 4
Yes
1 3
5 3
2 4
2 5
Yes
5 4
5 3
1 2
1 3
Yes
5 3
1 5
2 1
2 4
Yes
2 1
2 4
5 3
5 4
Yes
1 3
3 4
5 2
5 4
Yes
5 1
5 2
4 2
4 3
Yes
1 2
3 1
4 3
4 5
...

result:

ok 100000 cases

Test #9:

score: 0
Accepted
time: 22ms
memory: 4104kb

input:

1000
5 970
3 1
4 3
3 1
1 3
2 3
2 3
3 2
2 3
2 3
2 3
3 2
3 2
3 1
2 3
3 2
3 2
2 3
2 3
3 2
3 2
2 3
3 2
2 3
2 3
3 5
2 3
2 3
2 3
3 2
3 2
5 3
2 3
3 2
2 3
3 2
3 2
3 1
3 2
3 5
3 2
2 1
2 3
3 5
2 3
2 3
5 3
3 2
3 1
3 2
3 2
1 3
4 3
3 1
4 3
5 3
3 2
3 4
2 3
3 5
2 3
3 1
3 2
2 3
4 3
2 3
2 3
1 3
3 1
2 3
3 2
3 2
2 3
2...

output:

Yes
2 1
5 2
3 4
3 5
Yes
5 2
4 5
3 1
3 4
Yes
2 4
4 3
5 1
5 3
Yes
5 3
5 1
4 1
4 2
Yes
5 2
5 1
3 1
3 4
Yes
2 4
2 3
1 3
1 5
Yes
2 1
1 5
4 3
4 5
Yes
4 5
4 2
1 2
1 3
Yes
1 3
5 3
4 2
4 5
Yes
2 4
5 2
1 3
1 5
Yes
1 4
4 5
3 2
3 5
Yes
4 1
4 3
5 2
5 3
Yes
4 5
1 4
2 1
2 3
Yes
1 2
3 2
5 3
5 4
Yes
4 1
3 1
2 3
2 5
...

result:

ok 1000 cases

Test #10:

score: 0
Accepted
time: 54ms
memory: 3680kb

input:

100000
5 5
5 1
1 3
3 5
2 3
4 1
5 5
3 1
3 4
1 5
5 2
5 3
5 5
2 5
1 2
4 5
4 3
2 4
5 5
1 2
4 3
2 4
4 1
5 1
5 5
5 2
3 2
1 4
1 2
3 1
5 5
2 5
1 3
4 5
1 2
5 1
5 5
1 5
5 2
4 5
1 4
3 4
5 5
4 2
1 2
1 4
5 1
3 4
5 5
1 3
5 2
5 4
5 1
1 4
5 5
2 3
4 5
2 4
3 4
1 3
5 5
1 4
4 5
2 5
3 4
5 3
5 5
4 1
4 5
4 3
3 2
1 3
5 5
3...

output:

Yes
2 3
3 5
1 4
1 5
Yes
3 1
3 4
1 5
5 2
Yes
2 5
1 2
4 5
4 3
Yes
1 2
4 3
2 4
5 1
Yes
1 4
3 1
2 3
2 5
Yes
2 5
1 3
4 5
1 2
Yes
3 4
1 4
5 1
5 2
Yes
4 2
1 2
5 1
3 4
Yes
1 3
1 4
5 2
5 4
Yes
2 3
4 5
2 4
1 3
Yes
2 5
5 3
4 1
4 3
Yes
3 2
1 3
4 1
4 5
Yes
3 2
1 5
4 1
5 2
Yes
3 5
5 1
2 1
2 4
Yes
2 1
3 4
5 1
5 3
...

result:

ok 100000 cases
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