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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#25039#1837. HamiltonianWu_RenAC ✓3ms3840kbC++17602b2022-04-03 12:11:032022-04-29 00:35:08

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-04-29 00:35:08]
  • 评测
  • 测评结果：AC
  • 用时：3ms
  • 内存：3840kb
查看
  • [2022-04-03 12:11:03]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
int n,s[61],c[61];
int main(){
	scanf("%d",&n);
	if(n==1) return puts("2 1\n1 2"),0;
	if(n==2) return puts("4 4\n1 2\n2 3\n3 4\n4 2"),0;
	if(n==3) return puts("3 3\n1 2\n2 3\n3 1"),0;
	for(int S=2;S<=20;S++) for(int C=2;C+S<=20;C++){
		int w=S*(S+3)/2+C-3-(S!=2);
		if(w<=60) s[w]=S,c[w]=C;
	}
	printf("%d %d\n",s[n]+c[n],s[n]*(s[n]-1)/2+c[n]+1);
	for(int i=1;i<=s[n];i++) for(int j=i+1;j<=s[n];j++) printf("%d %d\n",i,j);
	for(int i=1;i<c[n];i++) printf("%d %d\n",s[n]+i,s[n]+i+1);
	printf("1 %d\n",s[n]+1);
	printf("2 %d\n",s[n]+c[n]);
}
Source code, Language: C++17

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3704kb

input:

1

output:

2 1
1 2

result:

ok correct

Test #2:

score: 0
Accepted
time: 3ms
memory: 3716kb

input:

2

output:

4 4
1 2
2 3
3 4
4 2

result:

ok correct

Test #3:

score: 0
Accepted
time: 3ms
memory: 3704kb

input:

3

output:

3 3
1 2
2 3
3 1

result:

ok correct

Test #4:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

4

output:

4 4
1 2
3 4
1 3
2 4

result:

ok correct

Test #5:

score: 0
Accepted
time: 3ms
memory: 3696kb

input:

5

output:

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

result:

ok correct

Test #6:

score: 0
Accepted
time: 3ms
memory: 3752kb

input:

6

output:

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

result:

ok correct

Test #7:

score: 0
Accepted
time: 3ms
memory: 3768kb

input:

7

output:

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

result:

ok correct

Test #8:

score: 0
Accepted
time: 3ms
memory: 3780kb

input:

8

output:

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

result:

ok correct

Test #9:

score: 0
Accepted
time: 3ms
memory: 3624kb

input:

9

output:

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

result:

ok correct

Test #10:

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

input:

10

output:

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

result:

ok correct

Test #11:

score: 0
Accepted
time: 3ms
memory: 3672kb

input:

11

output:

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

result:

ok correct

Test #12:

score: 0
Accepted
time: 2ms
memory: 3816kb

input:

12

output:

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

result:

ok correct

Test #13:

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

input:

13

output:

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

result:

ok correct

Test #14:

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

input:

14

output:

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

result:

ok correct

Test #15:

score: 0
Accepted
time: 3ms
memory: 3832kb

input:

15

output:

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

result:

ok correct

Test #16:

score: 0
Accepted
time: 3ms
memory: 3780kb

input:

16

output:

10 13
1 2
1 3
1 4
2 3
2 4
3 4
5 6
6 7
7 8
8 9
9 10
1 5
2 10

result:

ok correct

Test #17:

score: 0
Accepted
time: 3ms
memory: 3752kb

input:

17

output:

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

result:

ok correct

Test #18:

score: 0
Accepted
time: 3ms
memory: 3696kb

input:

18

output:

7 13
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
1 6
2 7

result:

ok correct

Test #19:

score: 0
Accepted
time: 3ms
memory: 3768kb

input:

19

output:

8 14
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
1 6
2 8

result:

ok correct

Test #20:

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

input:

20

output:

9 15
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
8 9
1 6
2 9

result:

ok correct

Test #21:

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

input:

21

output:

10 16
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
8 9
9 10
1 6
2 10

result:

ok correct

Test #22:

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

input:

22

output:

11 17
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
8 9
9 10
10 11
1 6
2 11

result:

ok correct

Test #23:

score: 0
Accepted
time: 0ms
memory: 3668kb

input:

23

output:

12 18
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
8 9
9 10
10 11
11 12
1 6
2 12

result:

ok correct

Test #24:

score: 0
Accepted
time: 3ms
memory: 3772kb

input:

24

output:

13 19
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5
6 7
7 8
8 9
9 10
10 11
11 12
12 13
1 6
2 13

result:

ok correct

Test #25:

score: 0
Accepted
time: 3ms
memory: 3840kb

input:

25

output:

8 18
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
1 7
2 8

result:

ok correct

Test #26:

score: 0
Accepted
time: 3ms
memory: 3768kb

input:

26

output:

9 19
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
1 7
2 9

result:

ok correct

Test #27:

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

input:

27

output:

10 20
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
1 7
2 10

result:

ok correct

Test #28:

score: 0
Accepted
time: 3ms
memory: 3836kb

input:

28

output:

11 21
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
10 11
1 7
2 11

result:

ok correct

Test #29:

score: 0
Accepted
time: 2ms
memory: 3768kb

input:

29

output:

12 22
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
10 11
11 12
1 7
2 12

result:

ok correct

Test #30:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

30

output:

13 23
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
10 11
11 12
12 13
1 7
2 13

result:

ok correct

Test #31:

score: 0
Accepted
time: 1ms
memory: 3748kb

input:

31

output:

14 24
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
10 11
11 12
12 13
13 14
1 7
2 14

result:

ok correct

Test #32:

score: 0
Accepted
time: 3ms
memory: 3780kb

input:

32

output:

15 25
1 2
1 3
1 4
1 5
1 6
2 3
2 4
2 5
2 6
3 4
3 5
3 6
4 5
4 6
5 6
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
1 7
2 15

result:

ok correct

Test #33:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

33

output:

9 24
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
1 8
2 9

result:

ok correct

Test #34:

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

input:

34

output:

10 25
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
1 8
2 10

result:

ok correct

Test #35:

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

input:

35

output:

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

result:

ok correct

Test #36:

score: 0
Accepted
time: 1ms
memory: 3752kb

input:

36

output:

12 27
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
1 8
2 12

result:

ok correct

Test #37:

score: 0
Accepted
time: 3ms
memory: 3768kb

input:

37

output:

13 28
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
12 13
1 8
2 13

result:

ok correct

Test #38:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

38

output:

14 29
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
12 13
13 14
1 8
2 14

result:

ok correct

Test #39:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

39

output:

15 30
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
12 13
13 14
14 15
1 8
2 15

result:

ok correct

Test #40:

score: 0
Accepted
time: 3ms
memory: 3740kb

input:

40

output:

16 31
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
1 8
2 16

result:

ok correct

Test #41:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

41

output:

17 32
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
1 8
2 17

result:

ok correct

Test #42:

score: 0
Accepted
time: 2ms
memory: 3700kb

input:

42

output:

10 31
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
1 9
2 10

result:

ok correct

Test #43:

score: 0
Accepted
time: 3ms
memory: 3624kb

input:

43

output:

11 32
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
1 9
2 11

result:

ok correct

Test #44:

score: 0
Accepted
time: 3ms
memory: 3772kb

input:

44

output:

12 33
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
1 9
2 12

result:

ok correct

Test #45:

score: 0
Accepted
time: 3ms
memory: 3764kb

input:

45

output:

13 34
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
1 9
2 13

result:

ok correct

Test #46:

score: 0
Accepted
time: 3ms
memory: 3752kb

input:

46

output:

14 35
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
1 9
2 14

result:

ok correct

Test #47:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

47

output:

15 36
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
14 15
1 9
2 15

result:

ok correct

Test #48:

score: 0
Accepted
time: 3ms
memory: 3756kb

input:

48

output:

16 37
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
14 15
15 16
1 9
2 16

result:

ok correct

Test #49:

score: 0
Accepted
time: 3ms
memory: 3720kb

input:

49

output:

17 38
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
1 9
2 17

result:

ok correct

Test #50:

score: 0
Accepted
time: 3ms
memory: 3768kb

input:

50

output:

18 39
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
1 9
2 18

result:

ok correct

Test #51:

score: 0
Accepted
time: 3ms
memory: 3740kb

input:

51

output:

19 40
1 2
1 3
1 4
1 5
1 6
1 7
1 8
2 3
2 4
2 5
2 6
2 7
2 8
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 7
4 8
5 6
5 7
5 8
6 7
6 8
7 8
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
1 9
2 19

result:

ok correct

Test #52:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

52

output:

11 39
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
1 10
2 11

result:

ok correct

Test #53:

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

input:

53

output:

12 40
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
1 10
2 12

result:

ok correct

Test #54:

score: 0
Accepted
time: 3ms
memory: 3784kb

input:

54

output:

13 41
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
1 10
2 13

result:

ok correct

Test #55:

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

input:

55

output:

14 42
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
1 10
2 14

result:

ok correct

Test #56:

score: 0
Accepted
time: 3ms
memory: 3696kb

input:

56

output:

15 43
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
14 15
1 10
2 15

result:

ok correct

Test #57:

score: 0
Accepted
time: 3ms
memory: 3748kb

input:

57

output:

16 44
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
14 15
15 16
1 10
2 16

result:

ok correct

Test #58:

score: 0
Accepted
time: 3ms
memory: 3740kb

input:

58

output:

17 45
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
14 15
15 16
16 17
1 10
2 17

result:

ok correct

Test #59:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

59

output:

18 46
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
1 10
2 18

result:

ok correct

Test #60:

score: 0
Accepted
time: 3ms
memory: 3740kb

input:

60

output:

19 47
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
3 9
4 5
4 6
4 7
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 8
7 9
8 9
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
1 10
2 19

result:

ok correct
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