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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
#720169#5209. King's Puzzleydzr00000AC ✓5ms4012kbC++17911b2024-11-07 11:03:332024-11-07 11:03:33

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 11:03:33]
  • 评测
  • 测评结果:AC
  • 用时:5ms
  • 内存:4012kb
  • [2024-11-07 11:03:33]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
vector<pair<int,int>>E;
int deg[501];
int main(){
    int n,k;
    scanf("%d %d",&n,&k);
    if(n==1)
    {
        puts("YES");
        printf("0\n");
        return 0;
    }
    if(n==k)
    {
        puts("NO");
        return 0;
    }
    if(k==1)
    {
        puts("YES");
        if(n==2)
        {
            printf("1\n1 2\n");
            return 0;
        }
        printf("%d\n",n);
        for(int i=1;i<=n;i++)
            printf("%d %d\n",i,i%n+1);
        return 0;
    }
    int t=k+1;
    for(int i=t+1;i<=n;i++)
        E.push_back({i-1,i});
    for(int i=1;i<=t/2;i++)
    {
        int deg=k-2*(i-1);
        for(int j=1;j<=deg;j++)
            E.push_back({i,i+j});
    }
    puts("YES");
    printf("%d\n",(int)E.size());
    for(auto [u,v]: E)
        printf("%d %d\n",u,v);
    
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3856kb

input:

5 2

output:

YES
4
3 4
4 5
1 2
1 3

result:

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

Test #2:

score: 0
Accepted
time: 0ms
memory: 3748kb

input:

4 1

output:

YES
4
1 2
2 3
3 4
4 1

result:

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

Test #3:

score: 0
Accepted
time: 0ms
memory: 3876kb

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
11 1

result:

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

Test #4:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

11 2

output:

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

result:

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

Test #5:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

11 3

output:

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

result:

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

Test #6:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

11 9

output:

YES
26
10 11
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
5 6

result:

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

Test #7:

score: 0
Accepted
time: 0ms
memory: 3872kb

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: 0ms
memory: 3564kb

input:

11 11

output:

NO

result:

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

Test #9:

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

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: 0ms
memory: 3864kb

input:

53 2

output:

YES
52
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 53
1 2
1 3

result:

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

Test #11:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

53 3

output:

YES
53
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 53
1 2
1 3
1 ...

result:

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

Test #12:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

53 51

output:

YES
677
52 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
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: 0ms
memory: 3896kb

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: 0ms
memory: 3812kb

input:

53 53

output:

NO

result:

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

Test #15:

score: 0
Accepted
time: 0ms
memory: 3868kb

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: 3792kb

input:

267 2

output:

YES
266
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 53
53 54...

result:

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

Test #17:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

267 3

output:

YES
267
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 53
53 54
54 ...

result:

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

Test #18:

score: 0
Accepted
time: 2ms
memory: 3880kb

input:

267 265

output:

YES
17690
266 267
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
...

result:

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

Test #19:

score: 0
Accepted
time: 2ms
memory: 3924kb

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: 0ms
memory: 3600kb

input:

267 267

output:

NO

result:

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

Test #21:

score: 0
Accepted
time: 0ms
memory: 3756kb

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: 3948kb

input:

499 2

output:

YES
498
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 53
53 54...

result:

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

Test #23:

score: 0
Accepted
time: 0ms
memory: 3952kb

input:

499 3

output:

YES
499
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 53
53 54
54 ...

result:

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

Test #24:

score: 0
Accepted
time: 5ms
memory: 4012kb

input:

499 497

output:

YES
62002
498 499
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
...

result:

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

Test #25:

score: 0
Accepted
time: 5ms
memory: 3876kb

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: 0ms
memory: 3816kb

input:

499 499

output:

NO

result:

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

Test #27:

score: 0
Accepted
time: 0ms
memory: 3868kb

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: 0ms
memory: 3884kb

input:

500 2

output:

YES
499
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 53
53 54...

result:

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

Test #29:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

500 3

output:

YES
500
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 53
53 54
54 ...

result:

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

Test #30:

score: 0
Accepted
time: 5ms
memory: 3920kb

input:

500 498

output:

YES
62251
499 500
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
...

result:

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

Test #31:

score: 0
Accepted
time: 5ms
memory: 4008kb

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: 1ms
memory: 3756kb

input:

500 500

output:

NO

result:

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

Test #33:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

1 1

output:

YES
0

result:

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

Test #34:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

2 1

output:

YES
1
1 2

result:

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

Test #35:

score: 0
Accepted
time: 0ms
memory: 3684kb

input:

2 2

output:

NO

result:

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

Test #36:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

3 1

output:

YES
3
1 2
2 3
3 1

result:

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

Test #37:

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

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: 3816kb

input:

3 3

output:

NO

result:

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

Test #39:

score: 0
Accepted
time: 0ms
memory: 3748kb

input:

4 1

output:

YES
4
1 2
2 3
3 4
4 1

result:

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

Test #40:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

4 2

output:

YES
3
3 4
1 2
1 3

result:

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

Test #41:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

4 3

output:

YES
4
1 2
1 3
1 4
2 3

result:

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

Test #42:

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

input:

4 4

output:

NO

result:

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

Test #43:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

5 1

output:

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

result:

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

Test #44:

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

input:

5 2

output:

YES
4
3 4
4 5
1 2
1 3

result:

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

Test #45:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

5 3

output:

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

result:

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

Test #46:

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

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: 0ms
memory: 3664kb

input:

5 5

output:

NO

result:

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

Test #48:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

6 1

output:

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

result:

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

Test #49:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

6 2

output:

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

result:

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

Test #50:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

6 3

output:

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

result:

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

Test #51:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

6 4

output:

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

result:

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

Test #52:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

6 5

output:

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

result:

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

Test #53:

score: 0
Accepted
time: 0ms
memory: 3740kb

input:

6 6

output:

NO

result:

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

Test #54:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

103 85

output:

YES
1866
86 87
87 88
88 89
89 90
90 91
91 92
92 93
93 94
94 95
95 96
96 97
97 98
98 99
99 100
100 101
101 102
102 103
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
...

result:

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

Test #55:

score: 0
Accepted
time: 1ms
memory: 3988kb

input:

373 203

output:

YES
10573
204 205
205 206
206 207
207 208
208 209
209 210
210 211
211 212
212 213
213 214
214 215
215 216
216 217
217 218
218 219
219 220
220 221
221 222
222 223
223 224
224 225
225 226
226 227
227 228
228 229
229 230
230 231
231 232
232 233
233 234
234 235
235 236
236 237
237 238
238 239
239 240
24...

result:

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

Test #56:

score: 0
Accepted
time: 1ms
memory: 3984kb

input:

443 143

output:

YES
5483
144 145
145 146
146 147
147 148
148 149
149 150
150 151
151 152
152 153
153 154
154 155
155 156
156 157
157 158
158 159
159 160
160 161
161 162
162 163
163 164
164 165
165 166
166 167
167 168
168 169
169 170
170 171
171 172
172 173
173 174
174 175
175 176
176 177
177 178
178 179
179 180
180...

result:

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

Test #57:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

124 30

output:

YES
333
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 53
53 54
54 55
55 56
56 57
57 58
58 59
59 60
60 61
61 62
62 63
63 64
64 65
65 66
66 67
67 68
68 69
69 70
70 71
71 72
72 73
73 74
74 75
75 76
76 77
77 78
78 79
79 8...

result:

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

Test #58:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

194 6

output:

YES
199
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 53
53 54
54 55
55 56
56 ...

result:

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

Test #59:

score: 0
Accepted
time: 3ms
memory: 3984kb

input:

464 369

output:

YES
34319
370 371
371 372
372 373
373 374
374 375
375 376
376 377
377 378
378 379
379 380
380 381
381 382
382 383
383 384
384 385
385 386
386 387
387 388
388 389
389 390
390 391
391 392
392 393
393 394
394 395
395 396
396 397
397 398
398 399
399 400
400 401
401 402
402 403
403 404
404 405
405 406
40...

result:

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

Test #60:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

45 42

output:

YES
464
43 44
44 45
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
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
...

result:

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

Test #61:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

115 106

output:

YES
2870
107 108
108 109
109 110
110 111
111 112
112 113
113 114
114 115
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
...

result:

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

Test #62:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

285 220

output:

YES
12274
221 222
222 223
223 224
224 225
225 226
226 227
227 228
228 229
229 230
230 231
231 232
232 233
233 234
234 235
235 236
236 237
237 238
238 239
239 240
240 241
241 242
242 243
243 244
244 245
245 246
246 247
247 248
248 249
249 250
250 251
251 252
252 253
253 254
254 255
255 256
256 257
25...

result:

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

Test #63:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

143 106

output:

YES
2898
107 108
108 109
109 110
110 111
111 112
112 113
113 114
114 115
115 116
116 117
117 118
118 119
119 120
120 121
121 122
122 123
123 124
124 125
125 126
126 127
127 128
128 129
129 130
130 131
131 132
132 133
133 134
134 135
135 136
136 137
137 138
138 139
139 140
140 141
141 142
142 143
1 2...

result:

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