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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#601911#8160. 切割zlt75 1163ms158348kbC++142.1kb2024-09-30 15:47:342024-09-30 15:47:34

Judging History

你现在查看的是最新测评结果

  • [2024-09-30 15:47:34]
  • 评测
  • 测评结果:75
  • 用时:1163ms
  • 内存:158348kb
  • [2024-09-30 15:47:34]
  • 提交

answer

// Problem: P10075 [GDKOI2024 普及组] 切割
// Contest: Luogu
// URL: https://www.luogu.com.cn/problem/P10075
// Memory Limit: 512 MB
// Time Limit: 2000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

#include <bits/stdc++.h>
#define pb emplace_back
#define fst first
#define scd second
#define mkp make_pair
#define mems(a, x) memset((a), (x), sizeof(a))

using namespace std;
typedef long long ll;
typedef double db;
typedef unsigned long long ull;
typedef long double ldb;
typedef pair<int, int> pii;

const int maxn = 1000100;

int n, m, q, dep[maxn];
bool vis[maxn], mk[maxn];
ull a[maxn], b[maxn];
pii c[maxn];
vector<pii> G[maxn];
vector<int> T[maxn];
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());

void dfs(int u, int fa) {
	vis[u] = 1;
	for (pii _ : G[u]) {
		int v = _.fst, d = _.scd;
		if (v == fa) {
			continue;
		}
		if (vis[v]) {
			if (dep[v] < dep[u]) {
				b[d] = rnd();
				a[v] ^= b[d];
				a[u] ^= b[d];
			}
			continue;
		}
		mk[d] = 1;
		dep[v] = dep[u] + 1;
		T[u].pb(v);
		T[v].pb(u);
		dfs(v, u);
	}
}

void dfs2(int u, int fa) {
	for (int v : T[u]) {
		if (v == fa) {
			continue;
		}
		dfs2(v, u);
		a[u] ^= a[v];
	}
}

struct Basis {
	ull p[64];
	bool fl;
	
	inline void init() {
		mems(p, 0);
		fl = 0;
	}
	
	inline void insert(ull x) {
		for (int i = 63; ~i; --i) {
			if ((x >> i) & 1) {
				if (!p[i]) {
					p[i] = x;
					return;
				}
				x ^= p[i];
			}
		}
		fl = 1;
	}
} B;

void solve() {
	scanf("%d%d", &n, &m);
	for (int i = 1, u, v; i <= m; ++i) {
		scanf("%d%d", &u, &v);
		G[u].pb(v, i);
		G[v].pb(u, i);
		c[i] = mkp(u, v);
	}
	dfs(1, -1);
	dfs2(1, -1);
	scanf("%d", &q);
	for (int i = 1; i <= m; ++i) {
		if (mk[i]) {
			int u = c[i].fst, v = c[i].scd;
			if (dep[u] < dep[v]) {
				swap(u, v);
			}
			b[i] = a[u];
		}
	}
	while (q--) {
		int k, x;
		B.init();
		scanf("%d", &k);
		while (k--) {
			scanf("%d", &x);
			B.insert(b[x]);
		}
		puts(B.fl ? "Bob" : "ymqOAO");
	}
}

int main() {
	int T = 1;
	// scanf("%d", &T);
	while (T--) {
		solve();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Pretests


Final Tests

Test #1:

score: 0
Wrong Answer
time: 3ms
memory: 57128kb

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: 3ms
memory: 58800kb

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: 1122ms
memory: 149736kb

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: 63ms
memory: 67656kb

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: 0
Wrong Answer
time: 52ms
memory: 65852kb

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:

wrong answer 732nd lines differ - expected: 'ymqOAO', found: 'Bob'

Test #6:

score: 5
Accepted
time: 51ms
memory: 67776kb

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: 63ms
memory: 67492kb

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: 0
Wrong Answer
time: 76ms
memory: 72680kb

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:

wrong answer 27080th lines differ - expected: 'ymqOAO', found: 'Bob'

Test #9:

score: 0
Wrong Answer
time: 48ms
memory: 68428kb

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:

wrong answer 10068th lines differ - expected: 'ymqOAO', found: 'Bob'

Test #10:

score: 0
Wrong Answer
time: 69ms
memory: 72492kb

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:

wrong answer 27080th lines differ - expected: 'ymqOAO', found: 'Bob'

Test #11:

score: 5
Accepted
time: 68ms
memory: 67300kb

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: 62ms
memory: 69928kb

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: 1098ms
memory: 158168kb

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: 1105ms
memory: 157960kb

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: 1133ms
memory: 158272kb

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: 1120ms
memory: 158292kb

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: 1117ms
memory: 158148kb

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: 1150ms
memory: 158248kb

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: 1150ms
memory: 158240kb

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: 1163ms
memory: 158348kb

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