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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
#85990#5670. Group GuestslarryzhongAC ✓1069ms562148kbC++174.2kb2023-03-09 00:08:282023-03-09 00:08:31

詳細信息

Test #1:

score: 100
Accepted
time: 48ms
memory: 284728kb

input:

2 4
1 2
3 4

output:

2 0

result:

ok single line: '2 0'

Test #2:

score: 0
Accepted
time: 61ms
memory: 284696kb

input:

2 3
1 2
3 1

output:

0 0

result:

ok single line: '0 0'

Test #3:

score: 0
Accepted
time: 54ms
memory: 284832kb

input:

5 5
1 2
2 3
2 4
5 2
5 4

output:

0 0

result:

ok single line: '0 0'

Test #4:

score: 0
Accepted
time: 442ms
memory: 413236kb

input:

999990 666660
1 2
1 5
1 7
1 8
1 9
1 10
2 4
2 6
2 9
2 10
3 4
4 8
5 8
6 7
6 10
11 13
11 15
11 20
12 17
12 19
13 16
13 19
14 16
14 19
15 17
15 18
16 17
16 19
17 18
17 20
21 26
21 27
21 29
22 26
22 27
22 29
23 26
23 30
24 26
24 28
25 27
25 30
26 27
26 29
28 29
31 33
31 40
32 35
33 35
33 37
33 38
33 39
3...

output:

383 523

result:

ok single line: '383 523'

Test #5:

score: 0
Accepted
time: 419ms
memory: 413284kb

input:

999990 666660
1 2
1 3
1 5
1 8
2 4
2 7
3 8
3 9
3 10
4 5
4 10
5 9
6 7
6 9
9 10
11 12
11 14
11 19
11 20
12 16
13 17
13 19
14 15
14 16
15 16
15 18
16 18
16 19
17 20
18 20
21 24
21 26
21 28
22 23
23 24
23 27
23 28
24 25
24 27
25 26
25 27
25 30
26 29
27 29
27 30
31 32
31 36
31 37
32 37
33 34
33 35
33 39
3...

output:

349 522

result:

ok single line: '349 522'

Test #6:

score: 0
Accepted
time: 71ms
memory: 284712kb

input:

4 4
1 2
2 4
2 3
3 4

output:

0 0

result:

ok single line: '0 0'

Test #7:

score: 0
Accepted
time: 435ms
memory: 409564kb

input:

999991 647053
1 2
1 4
1 7
1 8
1 10
2 4
2 9
3 8
3 9
3 11
4 6
6 10
7 9
7 11
8 9
9 10
10 11
12 13
12 15
12 21
13 16
13 19
13 22
14 17
14 19
14 20
15 19
15 22
16 20
17 18
17 19
18 20
19 22
20 21
23 25
23 27
23 28
23 30
24 25
24 31
24 32
25 30
25 31
26 32
26 33
27 30
28 32
29 31
29 32
29 33
30 31
34 37
3...

output:

375 322

result:

ok single line: '375 322'

Test #8:

score: 0
Accepted
time: 427ms
memory: 409688kb

input:

999991 647053
1 8
2 7
2 9
2 11
3 6
4 5
5 7
5 8
5 9
5 10
5 11
6 8
6 10
8 9
8 10
8 11
10 11
12 13
12 16
12 22
13 14
13 15
13 16
15 18
15 20
15 22
16 19
16 20
16 21
17 18
17 20
19 22
20 22
21 22
23 24
23 26
23 28
23 33
24 25
24 30
25 26
25 29
25 33
26 32
26 33
28 29
28 31
28 33
29 33
31 33
32 33
34 36
...

output:

366 307

result:

ok single line: '366 307'

Test #9:

score: 0
Accepted
time: 52ms
memory: 284744kb

input:

5 5
1 2
2 4
2 3
5 4
3 4

output:

0 1

result:

ok single line: '0 1'

Test #10:

score: 0
Accepted
time: 438ms
memory: 418580kb

input:

999991 705876
1 5
1 9
2 5
2 7
2 8
3 4
5 6
6 7
6 9
6 10
6 11
6 12
7 9
7 11
8 10
9 10
11 12
13 14
13 15
13 16
13 18
13 19
14 17
15 19
15 21
16 21
17 19
18 24
19 20
20 21
21 22
21 23
22 23
23 24
25 28
25 31
25 34
26 31
27 28
27 32
28 29
28 33
28 36
29 32
29 33
29 36
30 35
31 34
31 35
32 34
32 35
37 45
...

output:

1032 1376

result:

ok single line: '1032 1376'

Test #11:

score: 0
Accepted
time: 483ms
memory: 418688kb

input:

999991 705876
1 7
2 10
2 11
2 12
3 7
3 9
4 5
4 8
4 9
5 7
5 9
6 7
6 9
6 11
7 11
9 10
11 12
13 16
13 17
13 24
14 16
14 24
15 17
15 20
15 24
16 17
16 19
17 20
17 22
17 24
18 20
19 23
20 22
20 23
25 26
25 28
25 35
26 31
27 33
27 35
28 32
29 33
29 35
29 36
30 33
30 34
32 33
32 35
33 35
33 36
34 35
37 38
...

output:

990 1439

result:

ok single line: '990 1439'

Test #12:

score: 0
Accepted
time: 76ms
memory: 284732kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #13:

score: 0
Accepted
time: 48ms
memory: 284744kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #14:

score: 0
Accepted
time: 47ms
memory: 284784kb

input:

8 8
1 2
2 7
2 8
7 8
5 2
2 3
2 4
5 6

output:

0 0

result:

ok single line: '0 0'

Test #15:

score: 0
Accepted
time: 58ms
memory: 284708kb

input:

12 8
1 2
1 3
2 3
3 4
3 5
4 5
6 5
6 7
5 7
2 7
7 8
2 8

output:

0 0

result:

ok single line: '0 0'

Test #16:

score: 0
Accepted
time: 45ms
memory: 284808kb

input:

5 4
1 2
1 3
2 3
2 4
3 4

output:

0 0

result:

ok single line: '0 0'

Test #17:

score: 0
Accepted
time: 48ms
memory: 284664kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #18:

score: 0
Accepted
time: 52ms
memory: 284720kb

input:

7 8
1 4
4 5
6 7
6 8
2 4
2 3
6 3

output:

0 1

result:

ok single line: '0 1'

Test #19:

score: 0
Accepted
time: 55ms
memory: 284728kb

input:

7 8
1 2
1 3
1 4
5 6
5 7
5 8
1 5

output:

0 1

result:

ok single line: '0 1'

Test #20:

score: 0
Accepted
time: 71ms
memory: 284684kb

input:

4 4
1 3
1 4
2 4
2 3

output:

0 0

result:

ok single line: '0 0'

Test #21:

score: 0
Accepted
time: 68ms
memory: 284740kb

input:

5 5
1 2
1 5
2 4
4 3
3 5

output:

1 0

result:

ok single line: '1 0'

Test #22:

score: 0
Accepted
time: 48ms
memory: 284740kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #23:

score: 0
Accepted
time: 59ms
memory: 284844kb

input:

186 228
1 2
1 3
5 6
5 8
9 11
9 12
13 14
13 15
13 16
17 18
18 19
21 23
22 23
25 26
25 27
26 27
29 32
30 31
33 34
33 36
34 35
37 39
37 40
38 39
41 42
41 43
41 44
42 43
45 46
46 48
49 51
50 52
53 54
53 55
54 56
57 60
58 60
61 62
61 64
62 64
65 67
65 68
66 68
69 70
69 71
69 72
70 72
74 75
74 76
77 78
78...

output:

18 4

result:

ok single line: '18 4'

Test #24:

score: 0
Accepted
time: 53ms
memory: 284688kb

input:

3 4
1 2
3 4
3 2

output:

1 0

result:

ok single line: '1 0'

Test #25:

score: 0
Accepted
time: 54ms
memory: 285608kb

input:

5110 5065
1 2
1 3
6 7
6 9
11 13
11 14
16 17
16 18
16 19
21 22
21 25
26 28
26 30
31 32
31 33
31 35
36 39
36 40
41 42
41 44
41 45
46 48
46 49
46 50
51 52
51 53
51 54
51 55
56 57
57 58
61 63
62 63
66 67
66 68
67 68
71 74
72 73
76 77
76 79
77 78
81 83
81 84
82 83
86 87
86 88
86 89
87 88
91 95
92 93
96 9...

output:

142 140

result:

ok single line: '142 140'

Test #26:

score: 0
Accepted
time: 52ms
memory: 284724kb

input:

3 4
1 2
2 3
2 4

output:

0 1

result:

ok single line: '0 1'

Test #27:

score: 0
Accepted
time: 119ms
memory: 319648kb

input:

245745 196512
1 2
1 3
7 8
7 10
13 15
13 16
19 20
19 21
19 22
25 26
25 29
31 33
31 35
37 38
37 39
37 41
43 46
43 47
49 50
49 52
49 53
55 57
55 58
55 59
61 62
61 63
61 64
61 65
67 68
67 72
73 75
73 78
79 80
79 81
79 84
85 88
85 90
91 92
91 94
91 96
97 99
97 100
97 102
103 104
103 105
103 106
103 108
1...

output:

2097 2626

result:

ok single line: '2097 2626'

Test #28:

score: 0
Accepted
time: 43ms
memory: 284724kb

input:

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

output:

0 1

result:

ok single line: '0 1'

Test #29:

score: 0
Accepted
time: 394ms
memory: 430660kb

input:

999999 841330
1 2
1 3
8 9
8 11
15 17
15 18
22 23
22 24
22 25
29 30
29 33
36 38
36 40
43 44
43 45
43 47
50 53
50 54
57 58
57 60
57 61
64 66
64 67
64 68
71 72
71 73
71 74
71 75
78 79
78 83
85 87
85 90
92 93
92 94
92 97
99 102
99 104
106 107
106 109
106 111
113 115
113 116
113 118
120 121
120 122
120 1...

output:

7646 12754

result:

ok single line: '7646 12754'

Test #30:

score: 0
Accepted
time: 377ms
memory: 418772kb

input:

999992 755307
1 6
2 4
2 5
2 7
3 5
3 7
4 5
4 6
8 9
8 13
9 11
9 12
9 14
10 12
10 14
11 12
11 13
15 17
15 20
16 18
16 19
16 21
17 19
17 21
18 19
18 20
22 23
22 24
22 27
23 25
23 26
23 28
24 26
24 28
25 26
25 27
29 32
29 34
30 32
30 33
30 35
31 33
31 35
32 33
32 34
36 37
36 39
36 41
37 39
37 40
37 42
38...

output:

3532 7627

result:

ok single line: '3532 7627'

Test #31:

score: 0
Accepted
time: 369ms
memory: 416792kb

input:

999994 740684
1 3
1 4
1 5
2 5
2 6
3 4
3 5
3 6
3 7
4 6
4 7
8 9
8 10
8 11
8 12
9 12
9 13
10 11
10 12
10 13
10 14
11 13
11 14
15 20
16 19
16 20
17 18
17 19
17 20
17 21
18 20
18 21
22 23
22 27
23 26
23 27
24 25
24 26
24 27
24 28
25 27
25 28
29 31
29 34
30 33
30 34
31 32
31 33
31 34
31 35
32 34
32 35
36 ...

output:

3201 7345

result:

ok single line: '3201 7345'

Test #32:

score: 0
Accepted
time: 393ms
memory: 412628kb

input:

999992 706979
1 2
1 3
1 7
2 3
3 4
3 5
4 6
5 6
8 11
8 14
9 10
10 11
10 12
11 13
12 13
15 16
15 18
15 21
16 17
17 18
17 19
18 20
19 20
22 24
22 25
22 28
23 24
24 25
24 26
25 27
26 27
29 30
29 31
29 32
29 35
30 31
31 32
31 33
32 34
33 34
36 40
36 42
37 38
38 39
38 40
39 41
40 41
43 44
43 47
43 49
44 45...

output:

2402 4121

result:

ok single line: '2402 4121'

Test #33:

score: 0
Accepted
time: 382ms
memory: 403096kb

input:

999994 646072
1 5
1 7
2 3
2 4
2 6
3 6
4 5
4 7
5 6
8 9
8 12
8 14
9 10
9 11
9 13
10 13
11 12
11 14
12 13
15 17
15 19
15 21
16 17
16 18
16 20
17 20
18 19
18 21
19 20
22 23
22 24
22 26
22 28
23 24
23 25
23 27
24 27
25 26
25 28
26 27
29 32
29 33
29 35
30 31
30 32
30 34
31 34
32 33
32 35
33 34
36 37
36 39...

output:

943 2394

result:

ok single line: '943 2394'

Test #34:

score: 0
Accepted
time: 390ms
memory: 419612kb

input:

999995 753298
1 2
1 6
1 7
2 3
2 5
2 6
3 4
5 7
8 10
8 13
8 14
9 10
9 12
9 13
10 11
12 14
15 16
15 17
15 20
15 21
16 17
16 19
16 20
17 18
19 21
22 25
22 27
22 28
23 24
23 26
23 27
24 25
26 28
29 30
29 32
29 34
29 35
30 31
30 33
30 34
31 32
33 35
36 38
36 39
36 41
36 42
37 38
37 40
37 41
38 39
40 42
43...

output:

3698 7209

result:

ok single line: '3698 7209'

Test #35:

score: 0
Accepted
time: 333ms
memory: 409516kb

input:

999989 688429
1 2
1 3
1 4
1 5
2 3
2 4
2 5
2 6
2 7
3 4
3 6
4 5
4 6
5 7
8 13
9 10
9 11
9 12
9 13
9 14
10 11
10 13
11 12
11 13
12 14
15 16
15 20
16 17
16 18
16 19
16 20
16 21
17 18
17 20
18 19
18 20
19 21
22 24
22 27
23 24
23 25
23 26
23 27
23 28
24 25
24 27
25 26
25 27
26 28
29 30
29 31
29 34
30 31
30...

output:

1310 3756

result:

ok single line: '1310 3756'

Test #36:

score: 0
Accepted
time: 326ms
memory: 405876kb

input:

999993 666330
1 3
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 6
4 6
4 7
5 7
8 9
8 10
8 12
8 13
8 14
9 10
9 11
9 12
9 13
9 14
10 11
10 13
11 13
11 14
12 14
15 18
15 19
15 20
15 21
16 17
16 18
16 19
16 20
16 21
17 18
17 20
18 20
18 21
19 21
22 23
22 25
22 26
22 27
22 28
23 24
23 25
23 26
23 27
23 28
24 25
2...

output:

835 3556

result:

ok single line: '835 3556'

Test #37:

score: 0
Accepted
time: 357ms
memory: 402704kb

input:

999993 641725
1 6
2 3
2 4
2 5
2 6
3 6
4 5
5 6
5 7
8 9
8 13
9 10
9 11
9 12
9 13
10 13
11 12
12 13
12 14
15 17
15 20
16 17
16 18
16 19
16 20
17 20
18 19
19 20
19 21
22 23
22 24
22 27
23 24
23 25
23 26
23 27
24 27
25 26
26 27
26 28
29 32
29 34
30 31
30 32
30 33
30 34
31 34
32 33
33 34
33 35
36 37
36 39...

output:

331 2414

result:

ok single line: '331 2414'

Test #38:

score: 0
Accepted
time: 382ms
memory: 400952kb

input:

999994 629048
1 2
1 3
1 5
1 7
2 3
2 4
2 5
3 4
4 7
5 6
5 7
8 11
8 12
8 14
9 10
9 11
9 12
10 11
11 14
12 13
12 14
15 16
15 18
15 19
15 21
16 17
16 18
16 19
17 18
18 21
19 20
19 21
22 24
22 25
22 26
22 28
23 24
23 25
23 26
24 25
25 28
26 27
26 28
29 30
29 31
29 32
29 33
29 35
30 31
30 32
30 33
31 32
32...

output:

164 2050

result:

ok single line: '164 2050'

Test #39:

score: 0
Accepted
time: 345ms
memory: 407660kb

input:

999999 680225
1 2
1 3
1 6
1 7
2 3
2 4
3 4
3 6
3 7
4 6
4 7
5 6
5 7
8 11
8 13
8 14
9 10
9 11
10 11
10 13
10 14
11 13
11 14
12 13
12 14
15 16
15 18
15 20
15 21
16 17
16 18
17 18
17 20
17 21
18 20
18 21
19 20
19 21
22 24
22 25
22 27
22 28
23 24
23 25
24 25
24 27
24 28
25 27
25 28
26 27
26 28
29 30
29 31...

output:

3578 4667

result:

ok single line: '3578 4667'

Test #40:

score: 0
Accepted
time: 380ms
memory: 413492kb

input:

999994 710822
1 2
1 3
1 5
2 4
2 7
3 6
3 7
4 5
6 7
8 11
8 12
9 11
9 14
10 13
10 14
11 12
13 14
15 16
15 18
15 19
16 18
16 21
17 20
17 21
18 19
20 21
22 24
22 25
22 26
23 25
23 28
24 27
24 28
25 26
27 28
29 30
29 31
29 32
29 33
30 32
30 35
31 34
31 35
32 33
34 35
36 41
37 39
37 42
38 41
38 42
39 40
41...

output:

1590 5625

result:

ok single line: '1590 5625'

Test #41:

score: 0
Accepted
time: 361ms
memory: 404496kb

input:

999999 654864
1 2
1 4
1 6
1 7
2 5
3 5
3 6
3 7
4 7
6 7
8 10
8 11
8 13
8 14
9 12
10 12
10 13
10 14
11 14
13 14
15 16
15 17
15 18
15 20
15 21
16 19
17 19
17 20
17 21
18 21
20 21
22 26
22 27
22 28
23 26
24 26
24 27
24 28
25 28
27 28
29 30
29 33
29 34
29 35
30 33
31 33
31 34
31 35
32 35
34 35
36 38
36 40...

output:

653 1686

result:

ok single line: '653 1686'

Test #42:

score: 0
Accepted
time: 377ms
memory: 409384kb

input:

999994 683298
1 2
1 4
1 7
2 4
2 6
2 7
3 4
3 5
3 7
4 5
4 6
4 7
6 7
8 10
8 11
8 14
9 11
9 13
9 14
10 11
10 12
10 14
11 12
11 13
11 14
13 14
15 16
15 17
15 18
15 21
16 18
16 20
16 21
17 18
17 19
17 21
18 19
18 20
18 21
20 21
22 26
22 28
23 25
23 27
23 28
24 25
24 26
24 28
25 26
25 27
25 28
27 28
29 30
...

output:

944 4865

result:

ok single line: '944 4865'

Test #43:

score: 0
Accepted
time: 382ms
memory: 402256kb

input:

999994 634011
1 2
1 3
1 6
1 7
2 3
2 4
2 5
2 6
3 4
3 5
3 7
4 6
5 6
6 7
8 11
8 13
8 14
9 10
9 11
9 12
9 13
10 11
10 12
10 14
11 13
12 13
13 14
15 16
15 18
15 20
15 21
16 17
16 18
16 19
16 20
17 18
17 19
17 21
18 20
19 20
20 21
22 24
22 25
22 27
22 28
23 24
23 25
23 26
23 27
24 25
24 26
24 28
25 27
26 ...

output:

256 2136

result:

ok single line: '256 2136'

Test #44:

score: 0
Accepted
time: 376ms
memory: 393768kb

input:

999999 586642
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output:

223 715

result:

ok single line: '223 715'

Test #45:

score: 0
Accepted
time: 401ms
memory: 410720kb

input:

999990 686567
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output:

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result:

ok single line: '931 4522'

Test #46:

score: 0
Accepted
time: 395ms
memory: 401916kb

input:

999990 632338
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output:

151 2420

result:

ok single line: '151 2420'

Test #47:

score: 0
Accepted
time: 389ms
memory: 395816kb

input:

999993 597905
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output:

396 361

result:

ok single line: '396 361'

Test #48:

score: 0
Accepted
time: 354ms
memory: 398104kb

input:

999996 615720
1 4
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output:

277 414

result:

ok single line: '277 414'

Test #49:

score: 0
Accepted
time: 389ms
memory: 393172kb

input:

999990 581357
1 4
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32 ...

output:

104 179

result:

ok single line: '104 179'

Test #50:

score: 0
Accepted
time: 318ms
memory: 385624kb

input:

999987 538132
1 2
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output:

102 6

result:

ok single line: '102 6'

Test #51:

score: 0
Accepted
time: 47ms
memory: 286460kb

input:

20215 8827
1 2
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output:

0 0

result:

ok single line: '0 0'

Test #52:

score: 0
Accepted
time: 51ms
memory: 284800kb

input:

4 5
1 2
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output:

0 0

result:

ok single line: '0 0'

Test #53:

score: 0
Accepted
time: 388ms
memory: 397416kb

input:

999996 614440
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output:

38 1247

result:

ok single line: '38 1247'

Test #54:

score: 0
Accepted
time: 330ms
memory: 380916kb

input:

1000000 513824
1 4
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output:

8 0

result:

ok single line: '8 0'

Test #55:

score: 0
Accepted
time: 331ms
memory: 377300kb

input:

999993 491984
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output:

7 0

result:

ok single line: '7 0'

Test #56:

score: 0
Accepted
time: 375ms
memory: 396952kb

input:

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output:

10 374

result:

ok single line: '10 374'

Test #57:

score: 0
Accepted
time: 370ms
memory: 398756kb

input:

999997 620840
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output:

656 1809

result:

ok single line: '656 1809'

Test #58:

score: 0
Accepted
time: 48ms
memory: 284724kb

input:

5 6
1 2
3 4
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2 3
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output:

1 0

result:

ok single line: '1 0'

Test #59:

score: 0
Accepted
time: 306ms
memory: 335424kb

input:

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output:

123 0

result:

ok single line: '123 0'

Test #60:

score: 0
Accepted
time: 394ms
memory: 402240kb

input:

999990 599994
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output:

57 40

result:

ok single line: '57 40'

Test #61:

score: 0
Accepted
time: 59ms
memory: 284776kb

input:

8 9
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output:

0 0

result:

ok single line: '0 0'

Test #62:

score: 0
Accepted
time: 1069ms
memory: 457516kb

input:

999999 1000000
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output:

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result:

ok single line: '20012 719'

Test #63:

score: 0
Accepted
time: 194ms
memory: 309992kb

input:

998991 1414
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output:

0 0

result:

ok single line: '0 0'

Test #64:

score: 0
Accepted
time: 477ms
memory: 562148kb

input:

999999 999999
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output:

1 0

result:

ok single line: '1 0'

Test #65:

score: 0
Accepted
time: 426ms
memory: 486884kb

input:

999997 749999
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output:

0 1

result:

ok single line: '0 1'

Test #66:

score: 0
Accepted
time: 437ms
memory: 486880kb

input:

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output:

0 0

result:

ok single line: '0 0'

Test #67:

score: 0
Accepted
time: 622ms
memory: 526900kb

input:

999997 999998
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output:

1 0

result:

ok single line: '1 0'

Test #68:

score: 0
Accepted
time: 418ms
memory: 440632kb

input:

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output:

15511 1803

result:

ok single line: '15511 1803'

Test #69:

score: 0
Accepted
time: 508ms
memory: 442536kb

input:

999975 995000
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output:

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result:

ok single line: '19402 813'

Test #70:

score: 0
Accepted
time: 539ms
memory: 438180kb

input:

990495 990000
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output:

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result:

ok single line: '19786 687'

Test #71:

score: 0
Accepted
time: 415ms
memory: 440340kb

input:

999955 909050
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output:

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result:

ok single line: '11763 2903'

Test #72:

score: 0
Accepted
time: 458ms
memory: 443796kb

input:

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output:

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result:

ok single line: '19065 967'

Test #73:

score: 0
Accepted
time: 502ms
memory: 438600kb

input:

995995 995000
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output:

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result:

ok single line: '19765 706'

Test #74:

score: 0
Accepted
time: 341ms
memory: 367760kb

input:

999905 196061
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output:

0 1

result:

ok single line: '0 1'

Test #75:

score: 0
Accepted
time: 313ms
memory: 367824kb

input:

999905 196061
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output:

0 0

result:

ok single line: '0 0'

Test #76:

score: 0
Accepted
time: 345ms
memory: 445208kb

input:

999995 833331
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3 4
4 5
5 1
1 833331
6 7
7 8
8 9
9 10
10 6
6 833331
11 12
12 13
13 14
14 15
15 11
11 833331
16 17
17 18
18 19
19 20
20 16
16 833331
21 22
22 23
23 24
24 25
25 21
21 833331
26 27
27 28
28 29
29 30
30 26
26 833331
31 32
32 33
33 34
34 35
35 31
31 833331
36 37
37 38
38 39
39 40
40...

output:

1 0

result:

ok single line: '1 0'