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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
#104624#5209. King's PuzzlenanikaAC ✓10ms3840kbC++17951b2023-05-11 13:28:522023-05-11 13:28:55

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3420kb

input:

5 2

output:

YES
4
1 2
1 3
1 4
1 5

result:

ok n = 5, k = 2: nice job dude

Test #2:

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

input:

4 1

output:

YES
4
1 2
2 3
3 4
1 4

result:

ok n = 4, k = 1: nice job dude

Test #3:

score: 0
Accepted
time: 2ms
memory: 3476kb

input:

11 1

output:

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

result:

ok n = 11, k = 1: nice job dude

Test #4:

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

input:

11 2

output:

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

result:

ok n = 11, k = 2: nice job dude

Test #5:

score: 0
Accepted
time: 1ms
memory: 3416kb

input:

11 3

output:

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

result:

ok n = 11, k = 3: nice job dude

Test #6:

score: 0
Accepted
time: 2ms
memory: 3436kb

input:

11 9

output:

YES
29
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
5 8

result:

ok n = 11, k = 9: nice job dude

Test #7:

score: 0
Accepted
time: 2ms
memory: 3496kb

input:

11 10

output:

YES
30
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
5 6
5 7

result:

ok n = 11, k = 10: nice job dude

Test #8:

score: 0
Accepted
time: 2ms
memory: 3496kb

input:

11 11

output:

NO

result:

ok n = 11, k = 11: nice job dude

Test #9:

score: 0
Accepted
time: 2ms
memory: 3476kb

input:

53 1

output:

YES
53
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
30 31
31 32
32 33
33 34
34 35
35 36
36 37
37 38
38 39
39 40
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50 51
51 52
52 5...

result:

ok n = 53, k = 1: nice job dude

Test #10:

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

input:

53 2

output:

YES
52
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53

result:

ok n = 53, k = 2: nice job dude

Test #11:

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

input:

53 3

output:

YES
53
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
2 53

result:

ok n = 53, k = 3: nice job dude

Test #12:

score: 0
Accepted
time: 2ms
memory: 3456kb

input:

53 51

output:

YES
701
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 ...

result:

ok n = 53, k = 51: nice job dude

Test #13:

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

input:

53 52

output:

YES
702
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 ...

result:

ok n = 53, k = 52: nice job dude

Test #14:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

53 53

output:

NO

result:

ok n = 53, k = 53: nice job dude

Test #15:

score: 0
Accepted
time: 2ms
memory: 3416kb

input:

267 1

output:

YES
267
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
30 31
31 32
32 33
33 34
34 35
35 36
36 37
37 38
38 39
39 40
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50 51
51 52
52 ...

result:

ok n = 267, k = 1: nice job dude

Test #16:

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

input:

267 2

output:

YES
266
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 267, k = 2: nice job dude

Test #17:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

267 3

output:

YES
267
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 267, k = 3: nice job dude

Test #18:

score: 0
Accepted
time: 4ms
memory: 3612kb

input:

267 265

output:

YES
17821
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 267, k = 265: nice job dude

Test #19:

score: 0
Accepted
time: 4ms
memory: 3548kb

input:

267 266

output:

YES
17822
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 267, k = 266: nice job dude

Test #20:

score: 0
Accepted
time: 1ms
memory: 3476kb

input:

267 267

output:

NO

result:

ok n = 267, k = 267: nice job dude

Test #21:

score: 0
Accepted
time: 1ms
memory: 3540kb

input:

499 1

output:

YES
499
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
30 31
31 32
32 33
33 34
34 35
35 36
36 37
37 38
38 39
39 40
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50 51
51 52
52 ...

result:

ok n = 499, k = 1: nice job dude

Test #22:

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

input:

499 2

output:

YES
498
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 499, k = 2: nice job dude

Test #23:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

499 3

output:

YES
499
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 499, k = 3: nice job dude

Test #24:

score: 0
Accepted
time: 10ms
memory: 3840kb

input:

499 497

output:

YES
62249
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 499, k = 497: nice job dude

Test #25:

score: 0
Accepted
time: 5ms
memory: 3728kb

input:

499 498

output:

YES
62250
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 499, k = 498: nice job dude

Test #26:

score: 0
Accepted
time: 2ms
memory: 3432kb

input:

499 499

output:

NO

result:

ok n = 499, k = 499: nice job dude

Test #27:

score: 0
Accepted
time: 0ms
memory: 3440kb

input:

500 1

output:

YES
500
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
30 31
31 32
32 33
33 34
34 35
35 36
36 37
37 38
38 39
39 40
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50 51
51 52
52 ...

result:

ok n = 500, k = 1: nice job dude

Test #28:

score: 0
Accepted
time: 2ms
memory: 3440kb

input:

500 2

output:

YES
499
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 500, k = 2: nice job dude

Test #29:

score: 0
Accepted
time: 2ms
memory: 3432kb

input:

500 3

output:

YES
500
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 500, k = 3: nice job dude

Test #30:

score: 0
Accepted
time: 4ms
memory: 3784kb

input:

500 498

output:

YES
62499
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 500, k = 498: nice job dude

Test #31:

score: 0
Accepted
time: 5ms
memory: 3764kb

input:

500 499

output:

YES
62500
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 500, k = 499: nice job dude

Test #32:

score: 0
Accepted
time: 2ms
memory: 3420kb

input:

500 500

output:

NO

result:

ok n = 500, k = 500: nice job dude

Test #33:

score: 0
Accepted
time: 1ms
memory: 3420kb

input:

1 1

output:

YES
0

result:

ok n = 1, k = 1: nice job dude

Test #34:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

2 1

output:

YES
1
1 2

result:

ok n = 2, k = 1: nice job dude

Test #35:

score: 0
Accepted
time: 2ms
memory: 3420kb

input:

2 2

output:

NO

result:

ok n = 2, k = 2: nice job dude

Test #36:

score: 0
Accepted
time: 1ms
memory: 3420kb

input:

3 1

output:

YES
3
1 2
2 3
1 3

result:

ok n = 3, k = 1: nice job dude

Test #37:

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

input:

3 2

output:

YES
2
1 2
1 3

result:

ok n = 3, k = 2: nice job dude

Test #38:

score: 0
Accepted
time: 0ms
memory: 3416kb

input:

3 3

output:

NO

result:

ok n = 3, k = 3: nice job dude

Test #39:

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

input:

4 1

output:

YES
4
1 2
2 3
3 4
1 4

result:

ok n = 4, k = 1: nice job dude

Test #40:

score: 0
Accepted
time: 2ms
memory: 3480kb

input:

4 2

output:

YES
3
1 2
1 3
1 4

result:

ok n = 4, k = 2: nice job dude

Test #41:

score: 0
Accepted
time: 1ms
memory: 3472kb

input:

4 3

output:

YES
4
1 2
1 3
1 4
2 4

result:

ok n = 4, k = 3: nice job dude

Test #42:

score: 0
Accepted
time: 1ms
memory: 3476kb

input:

4 4

output:

NO

result:

ok n = 4, k = 4: nice job dude

Test #43:

score: 0
Accepted
time: 2ms
memory: 3416kb

input:

5 1

output:

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

result:

ok n = 5, k = 1: nice job dude

Test #44:

score: 0
Accepted
time: 0ms
memory: 3480kb

input:

5 2

output:

YES
4
1 2
1 3
1 4
1 5

result:

ok n = 5, k = 2: nice job dude

Test #45:

score: 0
Accepted
time: 1ms
memory: 3432kb

input:

5 3

output:

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

result:

ok n = 5, k = 3: nice job dude

Test #46:

score: 0
Accepted
time: 2ms
memory: 3472kb

input:

5 4

output:

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

result:

ok n = 5, k = 4: nice job dude

Test #47:

score: 0
Accepted
time: 2ms
memory: 3516kb

input:

5 5

output:

NO

result:

ok n = 5, k = 5: nice job dude

Test #48:

score: 0
Accepted
time: 3ms
memory: 3476kb

input:

6 1

output:

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

result:

ok n = 6, k = 1: nice job dude

Test #49:

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

input:

6 2

output:

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

result:

ok n = 6, k = 2: nice job dude

Test #50:

score: 0
Accepted
time: 2ms
memory: 3428kb

input:

6 3

output:

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

result:

ok n = 6, k = 3: nice job dude

Test #51:

score: 0
Accepted
time: 2ms
memory: 3420kb

input:

6 4

output:

YES
8
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5

result:

ok n = 6, k = 4: nice job dude

Test #52:

score: 0
Accepted
time: 0ms
memory: 3432kb

input:

6 5

output:

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

result:

ok n = 6, k = 5: nice job dude

Test #53:

score: 0
Accepted
time: 2ms
memory: 3508kb

input:

6 6

output:

NO

result:

ok n = 6, k = 6: nice job dude

Test #54:

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

input:

103 85

output:

YES
2563
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok n = 103, k = 85: nice job dude

Test #55:

score: 0
Accepted
time: 6ms
memory: 3552kb

input:

373 203

output:

YES
27473
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 373, k = 203: nice job dude

Test #56:

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

input:

443 143

output:

YES
26413
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 443, k = 143: nice job dude

Test #57:

score: 0
Accepted
time: 0ms
memory: 3456kb

input:

124 30

output:

YES
1635
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok n = 124, k = 30: nice job dude

Test #58:

score: 0
Accepted
time: 2ms
memory: 3448kb

input:

194 6

output:

YES
573
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61
...

result:

ok n = 194, k = 6: nice job dude

Test #59:

score: 0
Accepted
time: 4ms
memory: 3708kb

input:

464 369

output:

YES
51521
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 464, k = 369: nice job dude

Test #60:

score: 0
Accepted
time: 0ms
memory: 3440kb

input:

45 42

output:

YES
504
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 12
2 13
2 14
2 15
2 16
2 17
2 18
2 19
2 ...

result:

ok n = 45, k = 42: nice job dude

Test #61:

score: 0
Accepted
time: 0ms
memory: 3496kb

input:

115 106

output:

YES
3286
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok n = 115, k = 106: nice job dude

Test #62:

score: 0
Accepted
time: 4ms
memory: 3608kb

input:

285 220

output:

YES
19250
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok n = 285, k = 220: nice job dude

Test #63:

score: 0
Accepted
time: 1ms
memory: 3524kb

input:

143 106

output:

YES
4770
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok n = 143, k = 106: nice job dude