QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#107712	#4218. Hidden Graph	Whiteqwq^#	WA	53ms	21288kb	C++20	1000b	2023-05-22 16:37:14	2023-05-22 16:37:17

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Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 19860kb

input:

output:

result:

ok correct

Test #2:

score: 0

Accepted

time: 0ms

memory: 20712kb

input:

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

output:

? 2 2 1
? 2 3 1
? 2 3 2
? 2 4 1
? 3 4 2 3
? 2 5 1
? 4 5 2 3 4
? 3 5 3 4
? 2 5 3
? 3 6 1 5
? 4 6 2 3 4
? 3 6 3 4
? 4 7 1 5 6
? 4 7 2 3 4
? 3 7 2 4
? 5 8 1 5 6 7
? 4 8 2 3 4
? 3 8 2 3
? 2 8 2
? 6 9 1 5 6 7 8
? 4 9 2 3 4
? 3 9 2 4
? 7 10 1 5 6 7 8 9
? 4 10 2 3 4
? 3 10 2 3
? 2 10 2
! 12
1 2
1 3
1 4
2 5...

result:

ok correct

Test #3:

score: 0

Accepted

time: 3ms

memory: 20844kb

input:

output:

result:

ok correct

Test #4:

score: 0

Accepted

time: 1ms

memory: 20524kb

input:

output:

result:

ok correct

Test #5:

score: 0

Accepted

time: 2ms

memory: 20512kb

input:

output:

result:

ok correct

Test #6:

score: 0

Accepted

time: 0ms

memory: 19424kb

input:

27
-1 -1
3 1
3 2
-1 -1
-1 -1
1 5
2 5
-1 -1
3 5
6 1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 8
-1 -1
6 8
-1 -1
-1 -1
1 9
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 8
-1 -1
1 11
4 11
-1 -1
6 11
-1 -1
5 11
-1 -1
-1 -1
-1 -1
5 12
-1 -1
12 11
10 13
-1 -1
6 13
-1 -1
8 13
5 13
-1 -1
14 12
14 1
-1 -1
6 14
-1 -1
14 5
14 ...

output:

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

result:

ok correct

Test #7:

score: 0

Accepted

time: 5ms

memory: 21220kb

input:

47
-1 -1
-1 -1
-1 -1
5 4
5 3
-1 -1
-1 -1
-1 -1
7 6
-1 -1
7 5
-1 -1
5 8
-1 -1
9 4
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 7
11 1
-1 -1
-1 -1
7 11
12 3
2 12
-1 -1
11 12
5 12
-1 -1
7 12
-1 -1
13 11
13 5
-1 -1
13 7
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
4 15
13 15
-1 -1
-1 -1
-1 -1
-1 -1
16 1
-1 -1
-1 -1
-1 -1
-1 -1
17...

output:

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

result:

ok correct

Test #8:

score: 0

Accepted

time: 0ms

memory: 19468kb

input:

38
-1 -1
-1 -1
4 1
-1 -1
1 5
3 5
-1 -1
4 5
-1 -1
4 6
-1 -1
2 7
6 7
-1 -1
4 7
7 5
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
4 10
-1 -1
-1 -1
11 1
-1 -1
11 4
-1 -1
-1 -1
12 8
-1 -1
-1 -1
11 12
-1 -1
12 7
13 8
13 1
-1 -1
4 13
13 12
11 13
-1 -1
-1 -1
3 14
6 14
1 14
-1 -1
-1 -1
14 5
11 14
-1 ...

output:

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

result:

ok correct

Test #9:

score: 0

Accepted

time: 3ms

memory: 20276kb

input:

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

output:

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

result:

ok correct

Test #10:

score: 0

Accepted

time: 1ms

memory: 20420kb

input:

6
-1 -1
2 3
-1 -1
-1 -1
-1 -1
2 5
-1 -1
-1 -1
-1 -1
5 6
-1 -1

output:

? 2 2 1
? 3 3 1 2
? 2 3 1
? 3 4 1 2
? 2 4 3
? 4 5 1 2 4
? 3 5 1 4
? 2 5 3
? 4 6 1 2 4
? 3 6 3 5
? 2 6 3
! 3
2 3
2 5
5 6

result:

ok correct

Test #11:

score: 0

Accepted

time: 2ms

memory: 19648kb

input:

output:

result:

ok correct

Test #12:

score: 0

Accepted

time: 3ms

memory: 20556kb

input:

output:

result:

ok correct

Test #13:

score: 0

Accepted

time: 1ms

memory: 21288kb

input:

output:

result:

ok correct

Test #14:

score: 0

Accepted

time: 2ms

memory: 20208kb

input:

3
2 1
-1 -1
-1 -1

output:

result:

ok correct

Test #15:

score: 0

Accepted

time: 3ms

memory: 19720kb

input:

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

output:

? 2 2 1
? 3 3 1 2
? 4 4 1 2 3
? 3 4 1 2
? 4 5 1 2 3
? 3 5 1 3
? 2 5 1
? 2 5 4
! 3
4 3
2 5
3 5

result:

ok correct

Test #16:

score: 0

Accepted

time: 17ms

memory: 21128kb

input:

93
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 9
-1 -1
7 11
-1 -1
-1 -1
2 12
-1 -1
-1 -1
5 13
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
15 12
-1 -1
6 16
8 16
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
19 18
-1 -1
11 19
-1 -1
-1 -1
20 16
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
8 23
1 23
-1 -1
-1 -1
-1 -1...

output:

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

result:

ok correct

Test #17:

score: 0

Accepted

time: 11ms

memory: 19632kb

input:

111
-1 -1
-1 -1
-1 -1
-1 -1
2 6
-1 -1
7 4
-1 -1
-1 -1
3 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
2 11
4 11
-1 -1
-1 -1
12 4
-1 -1
6 12
7 12
12 11
-1 -1
13 10
-1 -1
7 13
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
17 10
-1 -1
-1 -1
-1 -1
4 18
18 5
-1 -1
-1 -1
-1 -1
16 19
-1 -1
11 1...

output:

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

result:

ok correct

Test #18:

score: 0

Accepted

time: 8ms

memory: 20904kb

input:

132
-1 -1
3 1
-1 -1
-1 -1
-1 -1
5 1
-1 -1
-1 -1
-1 -1
6 3
-1 -1
7 2
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
10 8
-1 -1
5 10
-1 -1
-1 -1
-1 -1
-1 -1
12 8
-1 -1
-1 -1
-1 -1
9 13
-1 -1
-1 -1
-1 -1
2 14
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
17 15
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
19 6
-1 -...

output:

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

result:

ok correct

Test #19:

score: 0

Accepted

time: 17ms

memory: 20948kb

input:

94
-1 -1
3 2
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
2 7
-1 -1
-1 -1
-1 -1
-1 -1
2 9
-1 -1
7 9
-1 -1
-1 -1
-1 -1
-1 -1
11 6
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
6 13
-1 -1
11 13
-1 -1
-1 -1
14 10
-1 -1
14 11
-1 -1
-1 -1
-1 -1
15 11
-1 -1
-1 -1
15 16
-1 -1
16 7
-1 -1
-1 -1
17 8
17 10
-1 -1
17 11
-1 ...

output:

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

result:

ok correct

Test #20:

score: 0

Accepted

time: 5ms

memory: 19684kb

input:

73
-1 -1
1 3
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
5 7
6 7
-1 -1
-1 -1
-1 -1
3 8
-1 -1
1 9
9 8
-1 -1
-1 -1
4 10
1 10
-1 -1
3 10
9 10
-1 -1
4 11
-1 -1
-1 -1
-1 -1
-1 -1
12 9
12 3
-1 -1
12 10
13 6
-1 -1
13 11
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
15 8
-1 -1
-1 -1
-1 -1
1 16
16 14
-1 -1
3 16
-1 -1
10 16
-1...

output:

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

result:

ok correct

Test #21:

score: 0

Accepted

time: 8ms

memory: 19212kb

input:

77
-1 -1
3 2
-1 -1
2 4
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
3 6
-1 -1
-1 -1
3 7
-1 -1
-1 -1
3 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 11
-1 -1
-1 -1
-1 -1
-1 -1
8 13
-1 -1
-1 -1
2 14
14 8
14 7
-1 -1
-1 -1
2 15
15 8
-1 -1
3 15
-1 -1
16 1
16 8
2 16
-1 -1
-1 -1
16 15
7 17
2 17
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

ok correct

Test #22:

score: 0

Accepted

time: 8ms

memory: 20024kb

input:

81
-1 -1
2 3
-1 -1
2 4
-1 -1
-1 -1
1 5
-1 -1
4 5
-1 -1
-1 -1
4 6
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
1 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
2 10
10 6
-1 -1
10 3
10 4
-1 -1
-1 -1
-1 -1
11 3
4 11
-1 -1
-1 -1
6 12
2 12
-1 -1
8 12
-1 -1
-1 -1
-1 -1
-1 -1
10 13
-1 -1
1 14
-1 -1
-1 -1
10 14
-1 -1
13 15
-1 -1
-...

output:

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

result:

ok correct

Test #23:

score: 0

Accepted

time: 12ms

memory: 20348kb

input:

93
-1 -1
-1 -1
4 1
2 4
-1 -1
-1 -1
-1 -1
-1 -1
4 6
2 7
-1 -1
-1 -1
1 8
3 8
-1 -1
-1 -1
9 1
-1 -1
9 8
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
13 7
-1 -1
-1 -1
1 14
-1 -1
4 14
-1 -1
9 14
-1 -1
-1 -1
-1 -1
14 15
13 16
-1 -1
-1 -1
-1 -1
-1 -1
17 3
2 17
17 1
17 5
-1 -1
17 8
17 1...

output:

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

result:

ok correct

Test #24:

score: 0

Accepted

time: 8ms

memory: 20672kb

input:

output:

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

result:

ok correct

Test #25:

score: 0

Accepted

time: 5ms

memory: 19192kb

input:

144
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
9 15
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
14 18
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
5 22
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -...

output:

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

result:

ok correct

Test #26:

score: -100

Wrong Answer

time: 53ms

memory: 20668kb

input:

561
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
26 22
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1 -1
-1...

output:

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

result:

wrong answer read 830 edges but expected 858 edges