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QOJ

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
#78575#5528. Least Annoying Constructive ProblemznstzTL 16ms3564kbC++141.2kb2023-02-19 16:17:282023-02-19 16:17:31

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3364kb

input:

3

output:

1 2
2 3
1 3

result:

ok Correct

Test #2:

score: 0
Accepted
time: 2ms
memory: 3376kb

input:

4

output:

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

result:

ok Correct

Test #3:

score: 0
Accepted
time: 2ms
memory: 3384kb

input:

5

output:

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

result:

ok Correct

Test #4:

score: 0
Accepted
time: 2ms
memory: 3560kb

input:

6

output:

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

result:

ok Correct

Test #5:

score: 0
Accepted
time: 2ms
memory: 3492kb

input:

7

output:

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

result:

ok Correct

Test #6:

score: 0
Accepted
time: 2ms
memory: 3364kb

input:

8

output:

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

result:

ok Correct

Test #7:

score: 0
Accepted
time: 2ms
memory: 3376kb

input:

9

output:

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

result:

ok Correct

Test #8:

score: 0
Accepted
time: 2ms
memory: 3424kb

input:

10

output:

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

result:

ok Correct

Test #9:

score: 0
Accepted
time: 2ms
memory: 3316kb

input:

11

output:

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

result:

ok Correct

Test #10:

score: 0
Accepted
time: 2ms
memory: 3424kb

input:

12

output:

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

result:

ok Correct

Test #11:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

13

output:

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

result:

ok Correct

Test #12:

score: 0
Accepted
time: 2ms
memory: 3408kb

input:

14

output:

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

result:

ok Correct

Test #13:

score: 0
Accepted
time: 0ms
memory: 3424kb

input:

15

output:

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

result:

ok Correct

Test #14:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

16

output:

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

result:

ok Correct

Test #15:

score: 0
Accepted
time: 3ms
memory: 3408kb

input:

17

output:

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

result:

ok Correct

Test #16:

score: 0
Accepted
time: 0ms
memory: 3276kb

input:

18

output:

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

result:

ok Correct

Test #17:

score: 0
Accepted
time: 5ms
memory: 3424kb

input:

19

output:

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

result:

ok Correct

Test #18:

score: 0
Accepted
time: 0ms
memory: 3312kb

input:

20

output:

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

result:

ok Correct

Test #19:

score: 0
Accepted
time: 3ms
memory: 3376kb

input:

21

output:

1 2
3 21
4 20
5 19
6 18
7 17
8 16
9 15
10 14
11 13
2 3
1 4
5 21
6 20
7 19
8 18
9 17
10 16
11 15
12 14
3 4
2 5
1 6
7 21
8 20
9 19
10 18
11 17
12 16
13 15
4 5
3 6
2 7
1 8
9 21
10 20
11 19
12 18
13 17
14 16
5 6
4 7
3 8
2 9
1 10
11 21
12 20
13 19
14 18
15 17
6 7
5 8
4 9
3 10
2 11
1 12
13 21
14 20
15 19
...

result:

ok Correct

Test #20:

score: 0
Accepted
time: 1ms
memory: 3536kb

input:

22

output:

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

result:

ok Correct

Test #21:

score: 0
Accepted
time: 2ms
memory: 3552kb

input:

23

output:

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

result:

ok Correct

Test #22:

score: 0
Accepted
time: 5ms
memory: 3564kb

input:

24

output:

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

result:

ok Correct

Test #23:

score: 0
Accepted
time: 3ms
memory: 3556kb

input:

25

output:

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

result:

ok Correct

Test #24:

score: 0
Accepted
time: 1ms
memory: 3364kb

input:

26

output:

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

result:

ok Correct

Test #25:

score: 0
Accepted
time: 5ms
memory: 3560kb

input:

27

output:

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

result:

ok Correct

Test #26:

score: 0
Accepted
time: 7ms
memory: 3492kb

input:

28

output:

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

result:

ok Correct

Test #27:

score: 0
Accepted
time: 2ms
memory: 3484kb

input:

29

output:

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

result:

ok Correct

Test #28:

score: 0
Accepted
time: 0ms
memory: 3484kb

input:

30

output:

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

result:

ok Correct

Test #29:

score: 0
Accepted
time: 14ms
memory: 3364kb

input:

90

output:

1 2
3 89
4 88
5 87
6 86
7 85
8 84
9 83
10 82
11 81
12 80
13 79
14 78
15 77
16 76
17 75
18 74
19 73
20 72
21 71
22 70
23 69
24 68
25 67
26 66
27 65
28 64
29 63
30 62
31 61
32 60
33 59
34 58
35 57
36 56
37 55
38 54
39 53
40 52
41 51
42 50
43 49
44 48
45 47
46 90
2 3
1 4
5 89
6 88
7 87
8 86
9 85
10 84
...

result:

ok Correct

Test #30:

score: 0
Accepted
time: 7ms
memory: 3556kb

input:

91

output:

1 2
3 91
4 90
5 89
6 88
7 87
8 86
9 85
10 84
11 83
12 82
13 81
14 80
15 79
16 78
17 77
18 76
19 75
20 74
21 73
22 72
23 71
24 70
25 69
26 68
27 67
28 66
29 65
30 64
31 63
32 62
33 61
34 60
35 59
36 58
37 57
38 56
39 55
40 54
41 53
42 52
43 51
44 50
45 49
46 48
2 3
1 4
5 91
6 90
7 89
8 88
9 87
10 86
...

result:

ok Correct

Test #31:

score: 0
Accepted
time: 1ms
memory: 3424kb

input:

92

output:

1 2
3 91
4 90
5 89
6 88
7 87
8 86
9 85
10 84
11 83
12 82
13 81
14 80
15 79
16 78
17 77
18 76
19 75
20 74
21 73
22 72
23 71
24 70
25 69
26 68
27 67
28 66
29 65
30 64
31 63
32 62
33 61
34 60
35 59
36 58
37 57
38 56
39 55
40 54
41 53
42 52
43 51
44 50
45 49
46 48
47 92
2 3
1 4
5 91
6 90
7 89
8 88
9 87
...

result:

ok Correct

Test #32:

score: 0
Accepted
time: 7ms
memory: 3528kb

input:

93

output:

1 2
3 93
4 92
5 91
6 90
7 89
8 88
9 87
10 86
11 85
12 84
13 83
14 82
15 81
16 80
17 79
18 78
19 77
20 76
21 75
22 74
23 73
24 72
25 71
26 70
27 69
28 68
29 67
30 66
31 65
32 64
33 63
34 62
35 61
36 60
37 59
38 58
39 57
40 56
41 55
42 54
43 53
44 52
45 51
46 50
47 49
2 3
1 4
5 93
6 92
7 91
8 90
9 89
...

result:

ok Correct

Test #33:

score: 0
Accepted
time: 0ms
memory: 3424kb

input:

94

output:

1 2
3 93
4 92
5 91
6 90
7 89
8 88
9 87
10 86
11 85
12 84
13 83
14 82
15 81
16 80
17 79
18 78
19 77
20 76
21 75
22 74
23 73
24 72
25 71
26 70
27 69
28 68
29 67
30 66
31 65
32 64
33 63
34 62
35 61
36 60
37 59
38 58
39 57
40 56
41 55
42 54
43 53
44 52
45 51
46 50
47 49
48 94
2 3
1 4
5 93
6 92
7 91
8 90...

result:

ok Correct

Test #34:

score: 0
Accepted
time: 10ms
memory: 3488kb

input:

95

output:

1 2
3 95
4 94
5 93
6 92
7 91
8 90
9 89
10 88
11 87
12 86
13 85
14 84
15 83
16 82
17 81
18 80
19 79
20 78
21 77
22 76
23 75
24 74
25 73
26 72
27 71
28 70
29 69
30 68
31 67
32 66
33 65
34 64
35 63
36 62
37 61
38 60
39 59
40 58
41 57
42 56
43 55
44 54
45 53
46 52
47 51
48 50
2 3
1 4
5 95
6 94
7 93
8 92...

result:

ok Correct

Test #35:

score: 0
Accepted
time: 1ms
memory: 3384kb

input:

96

output:

1 2
3 95
4 94
5 93
6 92
7 91
8 90
9 89
10 88
11 87
12 86
13 85
14 84
15 83
16 82
17 81
18 80
19 79
20 78
21 77
22 76
23 75
24 74
25 73
26 72
27 71
28 70
29 69
30 68
31 67
32 66
33 65
34 64
35 63
36 62
37 61
38 60
39 59
40 58
41 57
42 56
43 55
44 54
45 53
46 52
47 51
48 50
49 96
2 3
1 4
5 95
6 94
7 9...

result:

ok Correct

Test #36:

score: 0
Accepted
time: 7ms
memory: 3316kb

input:

97

output:

1 2
3 97
4 96
5 95
6 94
7 93
8 92
9 91
10 90
11 89
12 88
13 87
14 86
15 85
16 84
17 83
18 82
19 81
20 80
21 79
22 78
23 77
24 76
25 75
26 74
27 73
28 72
29 71
30 70
31 69
32 68
33 67
34 66
35 65
36 64
37 63
38 62
39 61
40 60
41 59
42 58
43 57
44 56
45 55
46 54
47 53
48 52
49 51
2 3
1 4
5 97
6 96
7 9...

result:

ok Correct

Test #37:

score: 0
Accepted
time: 6ms
memory: 3556kb

input:

98

output:

1 2
3 97
4 96
5 95
6 94
7 93
8 92
9 91
10 90
11 89
12 88
13 87
14 86
15 85
16 84
17 83
18 82
19 81
20 80
21 79
22 78
23 77
24 76
25 75
26 74
27 73
28 72
29 71
30 70
31 69
32 68
33 67
34 66
35 65
36 64
37 63
38 62
39 61
40 60
41 59
42 58
43 57
44 56
45 55
46 54
47 53
48 52
49 51
50 98
2 3
1 4
5 97
6 ...

result:

ok Correct

Test #38:

score: 0
Accepted
time: 11ms
memory: 3552kb

input:

99

output:

1 2
3 99
4 98
5 97
6 96
7 95
8 94
9 93
10 92
11 91
12 90
13 89
14 88
15 87
16 86
17 85
18 84
19 83
20 82
21 81
22 80
23 79
24 78
25 77
26 76
27 75
28 74
29 73
30 72
31 71
32 70
33 69
34 68
35 67
36 66
37 65
38 64
39 63
40 62
41 61
42 60
43 59
44 58
45 57
46 56
47 55
48 54
49 53
50 52
2 3
1 4
5 99
6 ...

result:

ok Correct

Test #39:

score: 0
Accepted
time: 16ms
memory: 3380kb

input:

100

output:

1 2
3 99
4 98
5 97
6 96
7 95
8 94
9 93
10 92
11 91
12 90
13 89
14 88
15 87
16 86
17 85
18 84
19 83
20 82
21 81
22 80
23 79
24 78
25 77
26 76
27 75
28 74
29 73
30 72
31 71
32 70
33 69
34 68
35 67
36 66
37 65
38 64
39 63
40 62
41 61
42 60
43 59
44 58
45 57
46 56
47 55
48 54
49 53
50 52
51 100
2 3
1 4
...

result:

ok Correct

Test #40:

score: -100
Time Limit Exceeded

input:

490

output:

1 2
3 489
4 488
5 487
6 486
7 485
8 484
9 483
10 482
11 481
12 480
13 479
14 478
15 477
16 476
17 475
18 474
19 473
20 472
21 471
22 470
23 469
24 468
25 467
26 466
27 465
28 464
29 463
30 462
31 461
32 460
33 459
34 458
35 457
36 456
37 455
38 454
39 453
40 452
41 451
42 450
43 449
44 448
45 447
46...

result:
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伺服器時間: 2025-01-21 04:58:29 | 開源專案