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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#89788#5575. Knight's Tour Reduxtxl16211 AC ✓18ms4540kbC++143.1kb2023-03-21 11:39:362023-03-21 11:39:39

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3464kb

input:

1

output:

POSSIBLE
1 1

result:

ok answer = 1

Test #2:

score: 0
Accepted
time: 1ms
memory: 3368kb

input:

2

output:

IMPOSSIBLE

result:

ok answer = 0

Test #3:

score: 0
Accepted
time: 2ms
memory: 3368kb

input:

3

output:

IMPOSSIBLE

result:

ok answer = 0

Test #4:

score: 0
Accepted
time: 0ms
memory: 3624kb

input:

4

output:

IMPOSSIBLE

result:

ok answer = 0

Test #5:

score: 0
Accepted
time: 2ms
memory: 3468kb

input:

5

output:

POSSIBLE
3 1
4 4
1 5
2 2
5 3

result:

ok answer = 1

Test #6:

score: 0
Accepted
time: 2ms
memory: 3584kb

input:

6

output:

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

result:

ok answer = 1

Test #7:

score: 0
Accepted
time: 2ms
memory: 3760kb

input:

7

output:

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

result:

ok answer = 1

Test #8:

score: 0
Accepted
time: 2ms
memory: 3544kb

input:

8

output:

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

result:

ok answer = 1

Test #9:

score: 0
Accepted
time: 2ms
memory: 3752kb

input:

9

output:

POSSIBLE
1 1
2 4
5 3
8 2
7 5
4 6
3 9
6 8
9 7

result:

ok answer = 1

Test #10:

score: 0
Accepted
time: 2ms
memory: 3488kb

input:

10

output:

POSSIBLE
1 1
4 2
7 3
10 4
9 7
6 6
3 5
2 8
5 9
8 10

result:

ok answer = 1

Test #11:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

11

output:

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

result:

ok answer = 1

Test #12:

score: 0
Accepted
time: 2ms
memory: 3616kb

input:

12

output:

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

result:

ok answer = 1

Test #13:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

13

output:

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

result:

ok answer = 1

Test #14:

score: 0
Accepted
time: 1ms
memory: 3760kb

input:

14

output:

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

result:

ok answer = 1

Test #15:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

15

output:

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

result:

ok answer = 1

Test #16:

score: 0
Accepted
time: 2ms
memory: 3600kb

input:

16

output:

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

result:

ok answer = 1

Test #17:

score: 0
Accepted
time: 2ms
memory: 3548kb

input:

17

output:

POSSIBLE
1 1
4 2
5 5
2 6
3 3
6 4
7 7
10 8
13 9
16 10
17 13
14 14
15 17
12 16
9 15
8 12
11 11

result:

ok answer = 1

Test #18:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

18

output:

POSSIBLE
1 1
4 2
5 5
2 6
3 3
6 4
7 7
10 8
11 11
8 12
9 9
12 10
13 13
16 14
17 17
14 18
15 15
18 16

result:

ok answer = 1

Test #19:

score: 0
Accepted
time: 2ms
memory: 3532kb

input:

19

output:

POSSIBLE
1 1
4 2
5 5
2 6
3 3
6 4
7 7
10 8
11 11
8 12
9 9
12 10
13 13
16 14
17 17
14 18
15 15
18 16
19 19

result:

ok answer = 1

Test #20:

score: 0
Accepted
time: 2ms
memory: 3520kb

input:

20

output:

POSSIBLE
1 1
4 2
5 5
2 6
3 3
6 4
7 7
10 8
11 11
8 12
9 9
12 10
13 13
16 14
19 15
20 18
17 19
18 16
15 17
14 20

result:

ok answer = 1

Test #21:

score: 0
Accepted
time: 15ms
memory: 4360kb

input:

99990

output:

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

result:

ok answer = 1

Test #22:

score: 0
Accepted
time: 9ms
memory: 4392kb

input:

99991

output:

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

result:

ok answer = 1

Test #23:

score: 0
Accepted
time: 17ms
memory: 4312kb

input:

99992

output:

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

result:

ok answer = 1

Test #24:

score: 0
Accepted
time: 10ms
memory: 4540kb

input:

99993

output:

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

result:

ok answer = 1

Test #25:

score: 0
Accepted
time: 17ms
memory: 4312kb

input:

99994

output:

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

result:

ok answer = 1

Test #26:

score: 0
Accepted
time: 11ms
memory: 4512kb

input:

99995

output:

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

result:

ok answer = 1

Test #27:

score: 0
Accepted
time: 17ms
memory: 4400kb

input:

99996

output:

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

result:

ok answer = 1

Test #28:

score: 0
Accepted
time: 6ms
memory: 4288kb

input:

99997

output:

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

result:

ok answer = 1

Test #29:

score: 0
Accepted
time: 8ms
memory: 4304kb

input:

99998

output:

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

result:

ok answer = 1

Test #30:

score: 0
Accepted
time: 13ms
memory: 4308kb

input:

99999

output:

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

result:

ok answer = 1

Test #31:

score: 0
Accepted
time: 8ms
memory: 4316kb

input:

100000

output:

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

result:

ok answer = 1

Test #32:

score: 0
Accepted
time: 13ms
memory: 4132kb

input:

74615

output:

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

result:

ok answer = 1

Test #33:

score: 0
Accepted
time: 6ms
memory: 3776kb

input:

25027

output:

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

result:

ok answer = 1

Test #34:

score: 0
Accepted
time: 8ms
memory: 3904kb

input:

40852

output:

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

result:

ok answer = 1

Test #35:

score: 0
Accepted
time: 3ms
memory: 3788kb

input:

31411

output:

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

result:

ok answer = 1

Test #36:

score: 0
Accepted
time: 7ms
memory: 3836kb

input:

37332

output:

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

result:

ok answer = 1

Test #37:

score: 0
Accepted
time: 7ms
memory: 4160kb

input:

80435

output:

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

result:

ok answer = 1

Test #38:

score: 0
Accepted
time: 18ms
memory: 4468kb

input:

90457

output:

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

result:

ok answer = 1

Test #39:

score: 0
Accepted
time: 2ms
memory: 3776kb

input:

1796

output:

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

result:

ok answer = 1

Test #40:

score: 0
Accepted
time: 6ms
memory: 4196kb

input:

55809

output:

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

result:

ok answer = 1

Test #41:

score: 0
Accepted
time: 17ms
memory: 4308kb

input:

97013

output:

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

result:

ok answer = 1

Test #42:

score: 0
Accepted
time: 7ms
memory: 4136kb

input:

77938

output:

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

result:

ok answer = 1

Test #43:

score: 0
Accepted
time: 12ms
memory: 4224kb

input:

87884

output:

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

result:

ok answer = 1

Test #44:

score: 0
Accepted
time: 11ms
memory: 4100kb

input:

61687

output:

POSSIBLE
1 1
4 2
5 5
2 6
3 3
6 4
7 7
10 8
11 11
8 12
9 9
12 10
13 13
16 14
17 17
14 18
15 15
18 16
19 19
22 20
23 23
20 24
21 21
24 22
25 25
28 26
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result:

ok answer = 1

Test #45:

score: 0
Accepted
time: 7ms
memory: 3836kb

input:

32567

output:

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result:

ok answer = 1

Test #46:

score: 0
Accepted
time: 2ms
memory: 3944kb

input:

53441

output:

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result:

ok answer = 1

Test #47:

score: 0
Accepted
time: 5ms
memory: 3680kb

input:

19197

output:

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result:

ok answer = 1

Test #48:

score: 0
Accepted
time: 6ms
memory: 4140kb

input:

77260

output:

POSSIBLE
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result:

ok answer = 1

Test #49:

score: 0
Accepted
time: 1ms
memory: 3588kb

input:

6699

output:

POSSIBLE
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50 ...

result:

ok answer = 1

Test #50:

score: 0
Accepted
time: 13ms
memory: 4176kb

input:

72561

output:

POSSIBLE
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50 ...

result:

ok answer = 1

Test #51:

score: 0
Accepted
time: 2ms
memory: 3996kb

input:

60412

output:

POSSIBLE
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50 ...

result:

ok answer = 1

Test #52:

score: 0
Accepted
time: 14ms
memory: 4128kb

input:

78243

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #53:

score: 0
Accepted
time: 2ms
memory: 4328kb

input:

93055

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #54:

score: 0
Accepted
time: 8ms
memory: 4104kb

input:

72060

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #55:

score: 0
Accepted
time: 0ms
memory: 3624kb

input:

10561

output:

POSSIBLE
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52 50
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50 ...

result:

ok answer = 1

Test #56:

score: 0
Accepted
time: 5ms
memory: 3984kb

input:

56368

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #57:

score: 0
Accepted
time: 4ms
memory: 3968kb

input:

44898

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #58:

score: 0
Accepted
time: 12ms
memory: 4088kb

input:

69941

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #59:

score: 0
Accepted
time: 3ms
memory: 3788kb

input:

24192

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #60:

score: 0
Accepted
time: 4ms
memory: 3688kb

input:

13677

output:

POSSIBLE
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50 ...

result:

ok answer = 1

Test #61:

score: 0
Accepted
time: 3ms
memory: 3912kb

input:

47780

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #62:

score: 0
Accepted
time: 7ms
memory: 3816kb

input:

36022

output:

POSSIBLE
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52 50
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50 ...

result:

ok answer = 1

Test #63:

score: 0
Accepted
time: 8ms
memory: 4004kb

input:

50675

output:

POSSIBLE
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52 50
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50 ...

result:

ok answer = 1

Test #64:

score: 0
Accepted
time: 6ms
memory: 3752kb

input:

26644

output:

POSSIBLE
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52 50
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50 ...

result:

ok answer = 1

Test #65:

score: 0
Accepted
time: 9ms
memory: 4200kb

input:

56969

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #66:

score: 0
Accepted
time: 10ms
memory: 4036kb

input:

53401

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #67:

score: 0
Accepted
time: 3ms
memory: 3744kb

input:

24772

output:

POSSIBLE
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52 50
53 53
50 ...

result:

ok answer = 1

Test #68:

score: 0
Accepted
time: 3ms
memory: 3896kb

input:

35433

output:

POSSIBLE
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42 40
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45 45
48 46
49 49
52 50
53 53
50 ...

result:

ok answer = 1

Test #69:

score: 0
Accepted
time: 6ms
memory: 4192kb

input:

89877

output:

POSSIBLE
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45 45
48 46
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52 50
53 53
50 ...

result:

ok answer = 1

Test #70:

score: 0
Accepted
time: 17ms
memory: 4300kb

input:

99986

output:

POSSIBLE
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39 39
42 40
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46 44
47 47
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45 45
48 46
49 49
52 50
53 53
50 ...

result:

ok answer = 1

Test #71:

score: 0
Accepted
time: 3ms
memory: 3776kb

input:

6094

output:

POSSIBLE
1 1
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42 40
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45 45
48 46
49 49
52 50
53 53
50 ...

result:

ok answer = 1