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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#601919#8160. 切割zlt70 1193ms158232kbC++142.3kb2024-09-30 15:53:092024-09-30 15:53:10

Judging History

你现在查看的是最新测评结果

  • [2024-09-30 15:53:10]
  • 评测
  • 测评结果:70
  • 用时:1193ms
  • 内存:158232kb
  • [2024-09-30 15:53:09]
  • 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 (d == 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, d);
	}
}

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];
		}
	}
	mems(vis, 0);
	while (q--) {
		int k, x;
		B.init();
		scanf("%d", &k);
		vector<int> vc;
		while (k--) {
			scanf("%d", &x);
			if (!vis[x]) {
				B.insert(b[x]);
				vc.pb(x);
				vis[x] = 1;
			}
		}
		puts(B.fl ? "Bob" : "ymqOAO");
		for (int x : vc) {
			vis[x] = 0;
		}
	}
}

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

詳細信息


Pretests


Final Tests

Test #1:

score: 0
Wrong Answer
time: 7ms
memory: 57736kb

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 774th lines differ - expected: 'Bob', found: 'ymqOAO'

Test #2:

score: 5
Accepted
time: 13ms
memory: 57676kb

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: 1193ms
memory: 149792kb

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: 68ms
memory: 65812kb

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: 67ms
memory: 67864kb

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: 62ms
memory: 72764kb

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: 0
Wrong Answer
time: 62ms
memory: 67936kb

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:

wrong answer 76838th lines differ - expected: 'Bob', found: 'ymqOAO'

Test #8:

score: 5
Accepted
time: 70ms
memory: 67584kb

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: 0
Wrong Answer
time: 48ms
memory: 69152kb

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 43658th lines differ - expected: 'Bob', found: 'ymqOAO'

Test #10:

score: 5
Accepted
time: 74ms
memory: 70284kb

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: 0
Wrong Answer
time: 60ms
memory: 69456kb

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:

wrong answer 14521st lines differ - expected: 'Bob', found: 'ymqOAO'

Test #12:

score: 5
Accepted
time: 57ms
memory: 69804kb

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: 995ms
memory: 158212kb

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: 1043ms
memory: 158232kb

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: 995ms
memory: 158164kb

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: 0
Wrong Answer
time: 1024ms
memory: 158096kb

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:

wrong answer 790426th lines differ - expected: 'Bob', found: 'ymqOAO'

Test #17:

score: 5
Accepted
time: 1072ms
memory: 158004kb

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: 0
Wrong Answer
time: 1011ms
memory: 158128kb

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:

wrong answer 533992nd lines differ - expected: 'Bob', found: 'ymqOAO'

Test #19:

score: 5
Accepted
time: 1011ms
memory: 158116kb

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: 977ms
memory: 158152kb

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