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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#619371#8041. Life is Hard and Undecidable, but...mhw#AC ✓0ms3696kbC++20390b2024-10-07 14:00:562024-10-07 14:00:57

Judging History

你现在查看的是最新测评结果

  • [2024-10-07 14:00:57]
  • 评测
  • 测评结果:AC
  • 用时:0ms
  • 内存:3696kb
  • [2024-10-07 14:00:56]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
const i64 P = 998244353;
void solve() {
    int n;
    cin >> n;
    n *= 2;
    cout << n << '\n';
    for (int i = 1; i <= n; i++) cout << i << ' ' << i << '\n';
}
int main() {
    ios::sync_with_stdio(0); cin.tie(0), cout.tie(0);
    int t = 1;
    // cin >> t;
    while (t--) solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3648kb

input:

1

output:

2
1 1
2 2

result:

ok n=2

Test #2:

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

input:

2

output:

4
1 1
2 2
3 3
4 4

result:

ok n=4

Test #3:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

3

output:

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

result:

ok n=6

Test #4:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

4

output:

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

result:

ok n=8

Test #5:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

5

output:

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

result:

ok n=10

Test #6:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

6

output:

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

result:

ok n=12

Test #7:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

7

output:

14
1 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

result:

ok n=14

Test #8:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

8

output:

16
1 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

result:

ok n=16

Test #9:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

9

output:

18
1 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

result:

ok n=18

Test #10:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

10

output:

20
1 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

result:

ok n=20

Test #11:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

13

output:

26
1 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

result:

ok n=26

Test #12:

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

input:

17

output:

34
1 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

result:

ok n=34

Test #13:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

23

output:

46
1 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
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30 30
31 31
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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

result:

ok n=46

Test #14:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

29

output:

58
1 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
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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 ...

result:

ok n=58

Test #15:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

31

output:

62
1 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
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20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
31 31
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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 ...

result:

ok n=62

Test #16:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

37

output:

74
1 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
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33 33
34 34
35 35
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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 ...

result:

ok n=74

Test #17:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

41

output:

82
1 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
53 ...

result:

ok n=82

Test #18:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

43

output:

86
1 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
53 ...

result:

ok n=86

Test #19:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

100

output:

200
1 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
53...

result:

ok n=200

Test #20:

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

input:

85

output:

170
1 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
53...

result:

ok n=170

Test #21:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

97

output:

194
1 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
53...

result:

ok n=194

Test #22:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

98

output:

196
1 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
53...

result:

ok n=196

Test #23:

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

input:

99

output:

198
1 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
53...

result:

ok n=198

Extra Test:

score: 0
Extra Test Passed