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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#406103#8160. 切割zhicheng95 712ms81708kbC++14964b2024-05-06 20:15:472024-05-06 20:15:48

Judging History

你现在查看的是最新测评结果

  • [2024-05-06 20:15:48]
  • 评测
  • 测评结果:95
  • 用时:712ms
  • 内存:81708kb
  • [2024-05-06 20:15:47]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1000010;
mt19937 rr(chrono::steady_clock::now().time_since_epoch().count());
int p[N],c[10],vis[N];
vector<pair<int,int> >v[N];
void dfs(int u,int las,int fa){
	int sum=0;
	vis[u]=1;
	for(auto i:v[u]){
		if(i.first==fa){
			continue;
		}
		if(!vis[i.first]){
			dfs(i.first,i.second,u);
		}
		sum^=p[i.second];
	}
	if(las){
		p[las]=sum;
	}
}
int main(){
	int n,m,k,a,b,sum;
	scanf("%d%d",&n,&m);
	for(int i=1;i<=m;i++){
		scanf("%d%d",&a,&b);
		v[a].push_back({b,i});
		v[b].push_back({a,i});
		p[i]=rr()%(int)2e9;
	}
	dfs(1,0,0);
	scanf("%d",&k);
	for(int i=1;i<=k;i++){
		scanf("%d",&a);
		for(int j=1;j<=a;j++){
			scanf("%d",&c[j]);
		}
		for(int s=1;s<(1<<a);s++){
			sum=0;
			for(int j=1;j<=a;j++){
				if((s>>(j-1))&1){
					sum^=p[c[j]];
				}
			}
			if(sum==0){
				printf("Bob\n");
				goto lass;
			}
		}
		printf("ymqOAO\n");
		lass:;
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 0
Wrong Answer
time: 4ms
memory: 31028kb

input:

1500 2000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
49 5...

output:

Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
y...

result:

wrong answer 587th lines differ - expected: 'ymqOAO', found: 'Bob'

Test #2:

score: 5
Accepted
time: 4ms
memory: 29632kb

input:

1800 2000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
49 5...

output:

Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqOAO
B...

result:

ok 1800 lines

Test #3:

score: 5
Accepted
time: 678ms
memory: 72572kb

input:

1000000 999999
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55...

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
...

result:

ok 1000000 lines

Test #4:

score: 5
Accepted
time: 46ms
memory: 34824kb

input:

100000 99999
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
...

result:

ok 100000 lines

Test #5:

score: 5
Accepted
time: 41ms
memory: 35328kb

input:

90000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO...

result:

ok 90000 lines

Test #6:

score: 5
Accepted
time: 35ms
memory: 36204kb

input:

80000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
ymqOAO...

result:

ok 80000 lines

Test #7:

score: 5
Accepted
time: 53ms
memory: 36316kb

input:

80000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
...

result:

ok 80000 lines

Test #8:

score: 5
Accepted
time: 40ms
memory: 35816kb

input:

90000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bo...

result:

ok 90000 lines

Test #9:

score: 5
Accepted
time: 33ms
memory: 34792kb

input:

50000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOA...

result:

ok 50000 lines

Test #10:

score: 5
Accepted
time: 47ms
memory: 34888kb

input:

90000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bo...

result:

ok 90000 lines

Test #11:

score: 5
Accepted
time: 42ms
memory: 34816kb

input:

60000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

ymqOAO
Bob
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqO...

result:

ok 60000 lines

Test #12:

score: 5
Accepted
time: 46ms
memory: 35672kb

input:

66000 100000
1 2
1 3
3 4
1 5
4 6
2 7
2 8
4 9
3 10
3 11
6 12
7 13
11 14
5 15
11 16
3 17
11 18
7 19
14 20
11 21
13 22
9 23
2 24
4 25
5 26
13 27
7 28
8 29
19 30
23 31
5 32
29 33
10 34
1 35
8 36
19 37
27 38
15 39
34 40
5 41
10 42
31 43
35 44
9 45
9 46
7 47
9 48
3 49
27 50
40 51
43 52
43 53
10 54
37 55
4...

output:

Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
ymqOAO
ymqOAO
Bob
ymqOAO
ymqOAO
Bob
y...

result:

ok 66000 lines

Test #13:

score: 5
Accepted
time: 686ms
memory: 81588kb

input:

915000 1000000
1 2
1 3
3 4
1 5
1 6
3 7
1 8
7 9
1 10
5 11
5 12
7 13
13 14
1 15
6 16
10 17
12 18
18 19
19 20
11 21
19 22
20 23
15 24
9 25
3 26
19 27
2 28
5 29
8 30
26 31
3 32
6 33
2 34
10 35
32 36
33 37
9 38
11 39
7 40
21 41
11 42
7 43
39 44
33 45
31 46
1 47
46 48
1 49
22 50
46 51
34 52
38 53
33 54
25...

output:

Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob...

result:

ok 915000 lines

Test #14:

score: 5
Accepted
time: 692ms
memory: 81568kb

input:

915000 1000000
1 2
1 3
1 4
1 5
1 6
6 7
7 8
2 9
9 10
1 11
5 12
7 13
1 14
11 15
8 16
7 17
4 18
1 19
2 20
5 21
6 22
19 23
9 24
1 25
1 26
5 27
26 28
1 29
1 30
1 31
20 32
17 33
23 34
17 35
16 36
21 37
16 38
37 39
31 40
37 41
25 42
9 43
13 44
5 45
10 46
2 47
19 48
35 49
45 50
41 51
21 52
15 53
30 54
49 55...

output:

Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
...

result:

ok 915000 lines

Test #15:

score: 5
Accepted
time: 645ms
memory: 81708kb

input:

915000 1000000
1 2
1 3
1 4
1 5
2 6
1 7
6 8
1 9
4 10
9 11
5 12
1 13
7 14
9 15
7 16
5 17
17 18
7 19
11 20
15 21
7 22
15 23
11 24
4 25
20 26
9 27
22 28
1 29
12 30
25 31
26 32
31 33
23 34
26 35
34 36
1 37
30 38
13 39
1 40
37 41
2 42
20 43
42 44
16 45
45 46
39 47
43 48
45 49
37 50
21 51
6 52
44 53
30 54
...

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob...

result:

ok 915000 lines

Test #16:

score: 5
Accepted
time: 712ms
memory: 81560kb

input:

915000 1000000
1 2
1 3
1 4
1 5
3 6
3 7
5 8
1 9
2 10
8 11
10 12
11 13
1 14
11 15
13 16
1 17
13 18
7 19
7 20
19 21
19 22
1 23
7 24
9 25
11 26
17 27
15 28
7 29
1 30
18 31
27 32
26 33
1 34
27 35
2 36
13 37
20 38
19 39
10 40
1 41
17 42
29 43
1 44
25 45
19 46
7 47
12 48
1 49
37 50
31 51
1 52
23 53
42 54
1...

output:

Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bo...

result:

ok 915000 lines

Test #17:

score: 5
Accepted
time: 680ms
memory: 81532kb

input:

915000 1000000
1 2
1 3
3 4
4 5
5 6
1 7
6 8
7 9
4 10
1 11
10 12
4 13
1 14
6 15
6 16
1 17
9 18
13 19
16 20
9 21
15 22
12 23
16 24
3 25
3 26
15 27
15 28
9 29
27 30
3 31
16 32
13 33
19 34
30 35
3 36
13 37
8 38
37 39
16 40
28 41
9 42
9 43
43 44
33 45
7 46
41 47
3 48
41 49
4 50
21 51
3 52
17 53
2 54
39 55...

output:

Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob...

result:

ok 915000 lines

Test #18:

score: 5
Accepted
time: 654ms
memory: 81672kb

input:

915000 1000000
1 2
1 3
1 4
3 5
4 6
1 7
1 8
2 9
1 10
5 11
2 12
5 13
5 14
11 15
1 16
15 17
17 18
7 19
16 20
18 21
1 22
13 23
14 24
16 25
7 26
7 27
16 28
22 29
11 30
1 31
25 32
17 33
1 34
2 35
27 36
36 37
9 38
28 39
19 40
1 41
15 42
22 43
36 44
4 45
42 46
39 47
21 48
21 49
15 50
21 51
1 52
45 53
8 54
1...

output:

Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bo...

result:

ok 915000 lines

Test #19:

score: 5
Accepted
time: 647ms
memory: 81456kb

input:

915000 1000000
1 2
1 3
1 4
1 5
4 6
3 7
7 8
3 9
4 10
1 11
9 12
7 13
2 14
1 15
4 16
3 17
13 18
1 19
1 20
15 21
16 22
7 23
19 24
17 25
15 26
14 27
10 28
21 29
8 30
1 31
21 32
9 33
19 34
23 35
1 36
29 37
30 38
15 39
28 40
35 41
41 42
1 43
11 44
6 45
20 46
23 47
44 48
13 49
34 50
49 51
35 52
38 53
36 54
...

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
ymqOAO
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
B...

result:

ok 915000 lines

Test #20:

score: 5
Accepted
time: 627ms
memory: 81680kb

input:

915000 1000000
1 2
1 3
3 4
1 5
2 6
3 7
2 8
1 9
4 10
5 11
8 12
1 13
8 14
5 15
11 16
7 17
7 18
18 19
14 20
9 21
17 22
8 23
11 24
13 25
1 26
11 27
15 28
1 29
17 30
1 31
29 32
28 33
1 34
5 35
15 36
19 37
13 38
17 39
35 40
1 41
5 42
25 43
2 44
27 45
1 46
13 47
3 48
33 49
22 50
35 51
36 52
14 53
32 54
16 ...

output:

Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
ymqOAO
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
y...

result:

ok 915000 lines