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QOJ

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
#85258#5670. Group GuestswhateverWA 727ms642892kbC++175.8kb2023-03-07 14:27:432023-03-07 14:54:09

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.
  • [2023-03-07 14:54:09]
  • 评测
  • 测评结果:WA
  • 用时:727ms
  • 内存:642892kb
  • [2023-03-07 14:27:43]
  • 提交

answer


#include<bits/stdc++.h>
#define L(i, j, k) for(int i = (j); i <= (k); ++i)
#define R(i, j, k) for(int i = (j); i >= (k); --i)
#define ll long long
#define vi vector <int>
#define sz(a) ((int) (a).size())
#define me(f, x) memset(f, x, sizeof(f))
#define uint unsigned int 
#define ull unsigned long long 
#define ld long double
#define i128 __int128 
using namespace std; 
const int N = 4e6 + 7, mod = 1e9 + 7;

namespace solver {
	mt19937_64 orz(114514);
	int n, h, su[N], sv[N], deg[N], vis[N], fae[N];
	int ehd[N], ev[N], enx[N], eid;
	void eadd(int u, int v) {
		++eid, enx[eid] = ehd[u], ev[eid] = v, ehd[u] = eid;
	}
	int use[N];
	int fa[N], dfn[N], low[N], idtot;
	ull F[N], val[N];
	vi e[N], vc[N];
	void dfs(int x) {
		dfn[x] = low[x] = ++idtot;
		for(int i = ehd[x]; i; i = enx[i]) 
			if(!dfn[ev[i]]) 
				fa[ev[i]] = x, fae[ev[i]] = i, use[i >> 1] = true, dfs(ev[i]);
			else if(dfn[ev[i]] < dfn[x] && !use[i >> 1]) {
				ull cur = F[i >> 1] = orz();
				val[x] ^= cur;
				val[ev[i]] ^= cur;
			} 
	} 
	
	int siz[N];
	void dfs2(int x) {	
		siz[x] = 0;
		for(int i = ehd[x]; i; i = enx[i]) 
			if(dfn[ev[i]] > dfn[x]) 
				siz[x] += 1;
		for(auto v : e[x]) {
			dfs2(v);
			siz[x] += siz[v];
			val[x] ^= val[v];
		}
	}

	
	void link(int u, int v) {
		++n;
		su[n] = u, sv[n] = v;
	}
	
	int hd[N], to[N], nx[N];
	
	inline int SZ(int x, int y, int z) {
		int all = n;
		if(fa[x] == y || fa[x] == z) {
			all = siz[x];
		}
		if(fa[y] == x) {
			all -= siz[y] + 1;
			if(fa[x] != z) --all;
		}
		if(fa[z] == x) {
			all -= siz[z] + 1;
			if(fa[x] != y) --all;
		}
		return all;
	}
	
	pair < int, int > work() {
		eid = 1;
//		cout << "deg seq = ";
//		L(i, 1, h) {
//			cout << deg[i] << ' ';
//		}
//		cout << endl;
		if(n == 1) {
			return make_pair(1, 0);
		}
		L(i, 1, n) {
			++deg[su[i]];
			++deg[sv[i]];
		}
		
		int ok = n == h;
		L(i, 1, h) 
			ok &= deg[i] == deg[1];
//		cout << h << " : deg seq = "; 
//		L(i, 1, h) 
//			cout << deg[i] << ' ';
//		cout << endl;
		if(ok && n != 3) {
			return make_pair(1, 0);
		}
		
		L(i, 1, n) {
			int u = su[i], v = sv[i];
			if(deg[u] > deg[v]) swap(u, v);
			else if(deg[u] == deg[v] && u > v) swap(u, v);
			to[i] = v;
			nx[i] = hd[u];
			hd[u] = i;
		}
		
		L(i, 1, n) {
			eadd(su[i], sv[i]);
			eadd(sv[i], su[i]);
		}
		dfs(1);
		L(i, 2, h) e[fa[i]].emplace_back(i); 
		dfs2(1);
		L(i, 2, h) F[fae[i] >> 1] = val[i];
		
		L(i, 1, h) {
			for(int id = hd[i]; id; id = nx[id]) 
				vis[to[id]] = id;
			for(int id = hd[i]; id; id = nx[id]) {
				int j = to[id];
				for(int di = hd[j]; di; di = nx[di]) {
					int k = to[di];
					if(!vis[k]) continue;
					ull ij = F[id];
					ull jk = F[di];
					ull ik = F[vis[k]];
					
//					cout << i << ' ' << j << ' ' << k << endl;
					
					int ok = 1;
					if(ij == ik) {
						if(SZ(i, j, k) & 1)
							ok = 0;
					}
					if(ij == jk) {
						if(SZ(j, k, i) & 1)
							ok = 0;
					}
					if(ik == jk) {
						if(SZ(k, i, j) & 1)
							ok = 0;
					}
					if(ok) 
						return make_pair(0, 0);
				}
			}
			for(int id = hd[i]; id; id = nx[id]) 
				vis[to[id]] = 0;
		} 
		return make_pair(0, 1);
	}
	void clear() {
		L(i, 1, max(n, h)) 
			su[i] = sv[i] = 0, deg[i] = 0, 
			e[i].clear(), dfn[i] = 0, low[i] = 0, fa[i] = 0, hd[i] = 0, vis[i] = 0, 
			ehd[i] = 0, use[i] = 0, F[i] = 0, val[i] = 0, fa[i] = 0, vc[i].clear(); 
		n = h = 0, eid = 1, idtot = 0;
	}
}

int n, h, f[N];
vi son[N];

int ehd[N], ev[N], enx[N], eid = 1;
void eadd(int u, int v) {
	++eid, ev[eid] = v, enx[eid] = ehd[u], ehd[u] = eid;
} 

inline int find(int x) {
	return f[x] == x ? x : f[x] = find(f[x]);
}
int su[N], sv[N];

vi G[N];

queue < int > q;
int deg[N], del[N], usee[N];
void ban(int u) {
	del[u] = true;
	for(int i = ehd[u]; i; i = enx[i]) if(!del[ev[i]]) {
		--deg[ev[i]];
		if(deg[ev[i]] <= 2) q.push(ev[i]);
	}
}

void gank(int u, int v, int id) {
	if(deg[u] == 2) swap(u, v);
	for(int j = ehd[v]; j; j = enx[j]) {
		if(!del[ev[j]] && ev[j] != u) {
			usee[id >> 1] = usee[j >> 1] = true;
			ban(u), ban(v);
		}
	}
}

int id[N];
void Main() {
	cin >> n >> h, eid = 1;
	L(i, 1, max(n, h)) 
		G[i].clear(), son[i].clear(), 
		ehd[i] = 0, deg[i] = 0, del[i] = 0, usee[i] = 0;
	
	L(i, 1, h) 
		f[i] = i;
	set < pair < int, int > > st;
	L(i, 1, n) {
		int u, v;
		cin >> u >> v;
		if(u > v) swap(u, v);
		st.insert(make_pair(u, v));
		assert(u != v);
		assert(1 <= u && u <= h);
		assert(1 <= v && v <= h);
		eadd(u, v);
		eadd(v, u);
		su[i] = u, sv[i] = v;
		deg[u] += 1;
		deg[v] += 1;
	}
	
	L(i, 1, h) {
		if(deg[i] <= 2) {
			q.push(i);
		}
	}
	
	while(!q.empty()) {
		int u = q.front();
		q.pop();
		if(del[u]) continue;
		for(int i = ehd[u]; i; i = enx[i]) {
			int v = ev[i];
			if(!del[u] && !del[v]) {
				if((deg[u] == 1 && deg[v] == 2) || (deg[v] == 1 && deg[u] == 2)) {
					gank(u, v, i);
					break;
				}
			}
		}
	}
	
	L(i, 1, n) if(!usee[i]) {
		f[find(su[i])] = find(sv[i]);
	}
	L(i, 1, n) if(!usee[i]) {
		G[find(su[i])].emplace_back(i);
	}
	L(i, 1, h) {
		son[find(i)].emplace_back(i);
	}
	
	int cnt1 = 0, cnt2 = 0;
	L(i, 1, h) if(find(i) == i) {
		if(sz(G[i]) % 2 == 0) {
			continue;
		}
		solver :: n = 0;
		solver :: h = sz(son[i]);
		L(j, 0, sz(son[i]) - 1) 
			id[son[i][j]] = j + 1;
		for(auto &t : G[i]) {
			int u = id[su[t]];
			int v = id[sv[t]];
			solver :: link(u, v); 
		}
		auto pr = solver :: work();
		cnt1 += pr.first;
		cnt2 += pr.second;
		solver :: clear();
	}
	cout << cnt1 << ' ' << cnt2 << '\n';
//	cout << n << " and " << h << endl;
}

int main() {
 	ios :: sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	Main();
//	int t; cin >> t; while(t--) Main();
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 91ms
memory: 378560kb

input:

2 4
1 2
3 4

output:

2 0

result:

ok single line: '2 0'

Test #2:

score: 0
Accepted
time: 73ms
memory: 378452kb

input:

2 3
1 2
3 1

output:

0 0

result:

ok single line: '0 0'

Test #3:

score: 0
Accepted
time: 87ms
memory: 378636kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #4:

score: 0
Accepted
time: 612ms
memory: 482372kb

input:

999990 666660
1 2
1 5
1 7
1 8
1 9
1 10
2 4
2 6
2 9
2 10
3 4
4 8
5 8
6 7
6 10
11 13
11 15
11 20
12 17
12 19
13 16
13 19
14 16
14 19
15 17
15 18
16 17
16 19
17 18
17 20
21 26
21 27
21 29
22 26
22 27
22 29
23 26
23 30
24 26
24 28
25 27
25 30
26 27
26 29
28 29
31 33
31 40
32 35
33 35
33 37
33 38
33 39
3...

output:

383 523

result:

ok single line: '383 523'

Test #5:

score: 0
Accepted
time: 596ms
memory: 480672kb

input:

999990 666660
1 2
1 3
1 5
1 8
2 4
2 7
3 8
3 9
3 10
4 5
4 10
5 9
6 7
6 9
9 10
11 12
11 14
11 19
11 20
12 16
13 17
13 19
14 15
14 16
15 16
15 18
16 18
16 19
17 20
18 20
21 24
21 26
21 28
22 23
23 24
23 27
23 28
24 25
24 27
25 26
25 27
25 30
26 29
27 29
27 30
31 32
31 36
31 37
32 37
33 34
33 35
33 39
3...

output:

349 522

result:

ok single line: '349 522'

Test #6:

score: 0
Accepted
time: 60ms
memory: 378500kb

input:

4 4
1 2
2 4
2 3
3 4

output:

0 0

result:

ok single line: '0 0'

Test #7:

score: 0
Accepted
time: 643ms
memory: 482832kb

input:

999991 647053
1 2
1 4
1 7
1 8
1 10
2 4
2 9
3 8
3 9
3 11
4 6
6 10
7 9
7 11
8 9
9 10
10 11
12 13
12 15
12 21
13 16
13 19
13 22
14 17
14 19
14 20
15 19
15 22
16 20
17 18
17 19
18 20
19 22
20 21
23 25
23 27
23 28
23 30
24 25
24 31
24 32
25 30
25 31
26 32
26 33
27 30
28 32
29 31
29 32
29 33
30 31
34 37
3...

output:

375 322

result:

ok single line: '375 322'

Test #8:

score: 0
Accepted
time: 608ms
memory: 482860kb

input:

999991 647053
1 8
2 7
2 9
2 11
3 6
4 5
5 7
5 8
5 9
5 10
5 11
6 8
6 10
8 9
8 10
8 11
10 11
12 13
12 16
12 22
13 14
13 15
13 16
15 18
15 20
15 22
16 19
16 20
16 21
17 18
17 20
19 22
20 22
21 22
23 24
23 26
23 28
23 33
24 25
24 30
25 26
25 29
25 33
26 32
26 33
28 29
28 31
28 33
29 33
31 33
32 33
34 36
...

output:

366 307

result:

ok single line: '366 307'

Test #9:

score: 0
Accepted
time: 67ms
memory: 378576kb

input:

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

output:

0 1

result:

ok single line: '0 1'

Test #10:

score: 0
Accepted
time: 614ms
memory: 483612kb

input:

999991 705876
1 5
1 9
2 5
2 7
2 8
3 4
5 6
6 7
6 9
6 10
6 11
6 12
7 9
7 11
8 10
9 10
11 12
13 14
13 15
13 16
13 18
13 19
14 17
15 19
15 21
16 21
17 19
18 24
19 20
20 21
21 22
21 23
22 23
23 24
25 28
25 31
25 34
26 31
27 28
27 32
28 29
28 33
28 36
29 32
29 33
29 36
30 35
31 34
31 35
32 34
32 35
37 45
...

output:

1032 1376

result:

ok single line: '1032 1376'

Test #11:

score: 0
Accepted
time: 600ms
memory: 483552kb

input:

999991 705876
1 7
2 10
2 11
2 12
3 7
3 9
4 5
4 8
4 9
5 7
5 9
6 7
6 9
6 11
7 11
9 10
11 12
13 16
13 17
13 24
14 16
14 24
15 17
15 20
15 24
16 17
16 19
17 20
17 22
17 24
18 20
19 23
20 22
20 23
25 26
25 28
25 35
26 31
27 33
27 35
28 32
29 33
29 35
29 36
30 33
30 34
32 33
32 35
33 35
33 36
34 35
37 38
...

output:

990 1439

result:

ok single line: '990 1439'

Test #12:

score: 0
Accepted
time: 81ms
memory: 378448kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #13:

score: 0
Accepted
time: 73ms
memory: 378544kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #14:

score: 0
Accepted
time: 79ms
memory: 378464kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #15:

score: 0
Accepted
time: 89ms
memory: 378488kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #16:

score: 0
Accepted
time: 97ms
memory: 378580kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #17:

score: 0
Accepted
time: 67ms
memory: 378460kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #18:

score: 0
Accepted
time: 88ms
memory: 378516kb

input:

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

output:

0 1

result:

ok single line: '0 1'

Test #19:

score: 0
Accepted
time: 77ms
memory: 378540kb

input:

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

output:

0 1

result:

ok single line: '0 1'

Test #20:

score: 0
Accepted
time: 83ms
memory: 378480kb

input:

4 4
1 3
1 4
2 4
2 3

output:

0 0

result:

ok single line: '0 0'

Test #21:

score: 0
Accepted
time: 76ms
memory: 378488kb

input:

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

output:

1 0

result:

ok single line: '1 0'

Test #22:

score: 0
Accepted
time: 73ms
memory: 378552kb

input:

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

output:

0 0

result:

ok single line: '0 0'

Test #23:

score: 0
Accepted
time: 67ms
memory: 378648kb

input:

186 228
1 2
1 3
5 6
5 8
9 11
9 12
13 14
13 15
13 16
17 18
18 19
21 23
22 23
25 26
25 27
26 27
29 32
30 31
33 34
33 36
34 35
37 39
37 40
38 39
41 42
41 43
41 44
42 43
45 46
46 48
49 51
50 52
53 54
53 55
54 56
57 60
58 60
61 62
61 64
62 64
65 67
65 68
66 68
69 70
69 71
69 72
70 72
74 75
74 76
77 78
78...

output:

18 4

result:

ok single line: '18 4'

Test #24:

score: 0
Accepted
time: 84ms
memory: 378556kb

input:

3 4
1 2
3 4
3 2

output:

1 0

result:

ok single line: '1 0'

Test #25:

score: 0
Accepted
time: 71ms
memory: 379252kb

input:

5110 5065
1 2
1 3
6 7
6 9
11 13
11 14
16 17
16 18
16 19
21 22
21 25
26 28
26 30
31 32
31 33
31 35
36 39
36 40
41 42
41 44
41 45
46 48
46 49
46 50
51 52
51 53
51 54
51 55
56 57
57 58
61 63
62 63
66 67
66 68
67 68
71 74
72 73
76 77
76 79
77 78
81 83
81 84
82 83
86 87
86 88
86 89
87 88
91 95
92 93
96 9...

output:

142 140

result:

ok single line: '142 140'

Test #26:

score: 0
Accepted
time: 87ms
memory: 378556kb

input:

3 4
1 2
2 3
2 4

output:

0 1

result:

ok single line: '0 1'

Test #27:

score: 0
Accepted
time: 201ms
memory: 405056kb

input:

245745 196512
1 2
1 3
7 8
7 10
13 15
13 16
19 20
19 21
19 22
25 26
25 29
31 33
31 35
37 38
37 39
37 41
43 46
43 47
49 50
49 52
49 53
55 57
55 58
55 59
61 62
61 63
61 64
61 65
67 68
67 72
73 75
73 78
79 80
79 81
79 84
85 88
85 90
91 92
91 94
91 96
97 99
97 100
97 102
103 104
103 105
103 106
103 108
1...

output:

2097 2626

result:

ok single line: '2097 2626'

Test #28:

score: 0
Accepted
time: 69ms
memory: 378580kb

input:

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

output:

0 1

result:

ok single line: '0 1'

Test #29:

score: 0
Accepted
time: 554ms
memory: 487492kb

input:

999999 841330
1 2
1 3
8 9
8 11
15 17
15 18
22 23
22 24
22 25
29 30
29 33
36 38
36 40
43 44
43 45
43 47
50 53
50 54
57 58
57 60
57 61
64 66
64 67
64 68
71 72
71 73
71 74
71 75
78 79
78 83
85 87
85 90
92 93
92 94
92 97
99 102
99 104
106 107
106 109
106 111
113 115
113 116
113 118
120 121
120 122
120 1...

output:

7646 12754

result:

ok single line: '7646 12754'

Test #30:

score: 0
Accepted
time: 534ms
memory: 484544kb

input:

999992 755307
1 6
2 4
2 5
2 7
3 5
3 7
4 5
4 6
8 9
8 13
9 11
9 12
9 14
10 12
10 14
11 12
11 13
15 17
15 20
16 18
16 19
16 21
17 19
17 21
18 19
18 20
22 23
22 24
22 27
23 25
23 26
23 28
24 26
24 28
25 26
25 27
29 32
29 34
30 32
30 33
30 35
31 33
31 35
32 33
32 34
36 37
36 39
36 41
37 39
37 40
37 42
38...

output:

3532 7627

result:

ok single line: '3532 7627'

Test #31:

score: 0
Accepted
time: 551ms
memory: 484088kb

input:

999994 740684
1 3
1 4
1 5
2 5
2 6
3 4
3 5
3 6
3 7
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output:

3201 7345

result:

ok single line: '3201 7345'

Test #32:

score: 0
Accepted
time: 548ms
memory: 483188kb

input:

999992 706979
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output:

2402 4121

result:

ok single line: '2402 4121'

Test #33:

score: 0
Accepted
time: 528ms
memory: 481268kb

input:

999994 646072
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output:

943 2394

result:

ok single line: '943 2394'

Test #34:

score: 0
Accepted
time: 530ms
memory: 485996kb

input:

999995 753298
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output:

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result:

ok single line: '3698 7209'

Test #35:

score: 0
Accepted
time: 527ms
memory: 482568kb

input:

999989 688429
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output:

1310 3756

result:

ok single line: '1310 3756'

Test #36:

score: 0
Accepted
time: 585ms
memory: 481816kb

input:

999993 666330
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2...

output:

835 3556

result:

ok single line: '835 3556'

Test #37:

score: 0
Accepted
time: 523ms
memory: 481036kb

input:

999993 641725
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output:

331 2414

result:

ok single line: '331 2414'

Test #38:

score: 0
Accepted
time: 597ms
memory: 480712kb

input:

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output:

164 2050

result:

ok single line: '164 2050'

Test #39:

score: 0
Accepted
time: 570ms
memory: 482640kb

input:

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output:

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result:

ok single line: '3578 4667'

Test #40:

score: 0
Accepted
time: 577ms
memory: 483100kb

input:

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41...

output:

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result:

ok single line: '1590 5625'

Test #41:

score: 0
Accepted
time: 551ms
memory: 481636kb

input:

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output:

653 1686

result:

ok single line: '653 1686'

Test #42:

score: 0
Accepted
time: 535ms
memory: 484204kb

input:

999994 683298
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output:

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result:

ok single line: '944 4865'

Test #43:

score: 0
Accepted
time: 512ms
memory: 480856kb

input:

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output:

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result:

ok single line: '256 2136'

Test #44:

score: 0
Accepted
time: 565ms
memory: 479816kb

input:

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2 3
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output:

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result:

ok single line: '223 715'

Test #45:

score: 0
Accepted
time: 510ms
memory: 482320kb

input:

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1 3
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output:

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result:

ok single line: '931 4522'

Test #46:

score: 0
Accepted
time: 511ms
memory: 480760kb

input:

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output:

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result:

ok single line: '151 2420'

Test #47:

score: 0
Accepted
time: 510ms
memory: 480200kb

input:

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32 3...

output:

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result:

ok single line: '396 361'

Test #48:

score: 0
Accepted
time: 527ms
memory: 480488kb

input:

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1 4
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37 3...

output:

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result:

ok single line: '277 414'

Test #49:

score: 0
Accepted
time: 533ms
memory: 479572kb

input:

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32 ...

output:

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result:

ok single line: '104 179'

Test #50:

score: 0
Accepted
time: 563ms
memory: 478720kb

input:

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2...

output:

102 6

result:

ok single line: '102 6'

Test #51:

score: 0
Accepted
time: 89ms
memory: 380520kb

input:

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output:

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result:

ok single line: '0 0'

Test #52:

score: 0
Accepted
time: 71ms
memory: 378508kb

input:

4 5
1 2
2 3
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output:

0 0

result:

ok single line: '0 0'

Test #53:

score: 0
Accepted
time: 527ms
memory: 479376kb

input:

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output:

38 1247

result:

ok single line: '38 1247'

Test #54:

score: 0
Accepted
time: 535ms
memory: 477876kb

input:

1000000 513824
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output:

8 0

result:

ok single line: '8 0'

Test #55:

score: 0
Accepted
time: 520ms
memory: 477816kb

input:

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output:

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result:

ok single line: '7 0'

Test #56:

score: 0
Accepted
time: 556ms
memory: 478964kb

input:

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output:

10 374

result:

ok single line: '10 374'

Test #57:

score: 0
Accepted
time: 521ms
memory: 479644kb

input:

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output:

656 1809

result:

ok single line: '656 1809'

Test #58:

score: 0
Accepted
time: 64ms
memory: 378524kb

input:

5 6
1 2
3 4
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output:

1 0

result:

ok single line: '1 0'

Test #59:

score: 0
Accepted
time: 494ms
memory: 478768kb

input:

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output:

123 0

result:

ok single line: '123 0'

Test #60:

score: 0
Accepted
time: 566ms
memory: 479624kb

input:

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output:

57 40

result:

ok single line: '57 40'

Test #61:

score: 0
Accepted
time: 87ms
memory: 378464kb

input:

8 9
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output:

0 0

result:

ok single line: '0 0'

Test #62:

score: 0
Accepted
time: 727ms
memory: 488612kb

input:

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output:

20012 719

result:

ok single line: '20012 719'

Test #63:

score: 0
Accepted
time: 538ms
memory: 546312kb

input:

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1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1...

output:

0 0

result:

ok single line: '0 0'

Test #64:

score: 0
Accepted
time: 518ms
memory: 552260kb

input:

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

output:

1 0

result:

ok single line: '1 0'

Test #65:

score: 0
Accepted
time: 554ms
memory: 642752kb

input:

999997 749999
1 2
2 3
3 1
2 4
4 5
5 6
6 4
5 7
7 8
8 9
9 7
8 10
10 11
11 12
12 10
11 13
13 14
14 15
15 13
14 16
16 17
17 18
18 16
17 19
19 20
20 21
21 19
20 22
22 23
23 24
24 22
23 25
25 26
26 27
27 25
26 28
28 29
29 30
30 28
29 31
31 32
32 33
33 31
32 34
34 35
35 36
36 34
35 37
37 38
38 39
39 37
38 ...

output:

0 1

result:

ok single line: '0 1'

Test #66:

score: 0
Accepted
time: 569ms
memory: 642892kb

input:

999999 750001
1 2
2 3
3 1
2 4
4 5
5 6
6 4
5 7
7 8
8 9
9 7
8 10
10 11
11 12
12 10
11 13
13 14
14 15
15 13
14 16
16 17
17 18
18 16
17 19
19 20
20 21
21 19
20 22
22 23
23 24
24 22
23 25
25 26
26 27
27 25
26 28
28 29
29 30
30 28
29 31
31 32
32 33
33 31
32 34
34 35
35 36
36 34
35 37
37 38
38 39
39 37
38 ...

output:

0 0

result:

ok single line: '0 0'

Test #67:

score: 0
Accepted
time: 527ms
memory: 499616kb

input:

999997 999998
1 2
1 3
1 4
3 6
5 6
5 7
5 8
7 10
9 10
9 11
9 12
11 14
13 14
13 15
13 16
15 18
17 18
17 19
17 20
19 22
21 22
21 23
21 24
23 26
25 26
25 27
25 28
27 30
29 30
29 31
29 32
31 34
33 34
33 35
33 36
35 38
37 38
37 39
37 40
39 42
41 42
41 43
41 44
43 46
45 46
45 47
45 48
47 50
49 50
49 51
49 5...

output:

1 0

result:

ok single line: '1 0'

Test #68:

score: 0
Accepted
time: 614ms
memory: 490324kb

input:

999915 952300
1 41
1 47
1 72
2 16
2 88
2 95
3 9
3 26
3 91
4 21
4 37
4 85
5 14
5 49
5 88
6 25
7 71
7 74
7 84
8 22
9 34
9 83
10 16
10 90
11 18
12 35
12 52
14 17
14 44
14 72
15 26
15 80
15 83
16 42
17 65
18 29
18 85
19 41
19 74
21 38
22 25
22 37
22 53
23 38
24 39
24 63
24 98
25 64
25 91
26 44
26 55
26 ...

output:

15511 1803

result:

ok single line: '15511 1803'

Test #69:

score: 0
Accepted
time: 569ms
memory: 490960kb

input:

999975 995000
1 359
1 729
1 966
2 263
2 487
4 372
4 391
4 877
5 883
6 248
6 254
6 703
7 141
7 333
8 496
8 602
8 934
9 747
10 283
11 386
11 815
12 954
13 963
14 437
14 891
15 274
15 826
16 56
16 278
16 893
18 247
18 789
18 826
19 409
19 695
20 158
20 624
20 838
20 993
21 289
21 734
22 936
22 938
23 2...

output:

19402 813

result:

ok single line: '19402 813'

Test #70:

score: 0
Accepted
time: 619ms
memory: 490180kb

input:

990495 990000
1 4654
2 553
2 4245
3 2524
3 3264
3 4715
3 5674
3 8204
4 5011
5 2857
5 9071
6 1514
6 5066
6 6536
6 7994
7 827
7 6412
8 7290
9 871
9 1936
9 2124
9 6867
11 8860
12 1347
12 3879
12 8952
13 1635
13 3529
14 3313
14 7551
14 8286
15 307
15 614
15 6202
15 7888
15 7935
16 2070
17 689
18 2352
18...

output:

19786 687

result:

ok single line: '19786 687'

Test #71:

score: 0
Accepted
time: 597ms
memory: 488332kb

input:

999955 909050
1 4
1 13
1 28
1 33
1 36
2 25
3 42
4 16
5 25
7 22
7 24
7 30
7 33
7 40
7 50
8 19
8 27
9 17
9 24
10 19
10 20
10 24
10 37
12 34
13 32
13 36
14 36
15 24
16 20
16 31
17 22
18 24
19 32
19 37
19 43
20 27
20 44
21 27
21 33
24 31
24 36
24 41
25 26
26 44
27 28
27 39
27 40
28 36
28 49
30 37
30 39
...

output:

11763 2903

result:

ok single line: '11763 2903'

Test #72:

score: 0
Accepted
time: 599ms
memory: 490544kb

input:

999900 990000
1 33
1 290
1 323
1 327
1 341
2 12
2 17
2 46
2 198
3 204
3 256
4 27
4 313
6 236
7 217
9 153
9 431
10 21
10 415
10 419
11 58
12 55
12 128
14 390
15 34
16 240
16 321
17 262
18 231
18 238
19 78
19 130
19 266
19 271
20 203
20 474
20 494
21 25
21 429
22 348
22 484
23 388
23 463
24 209
24 243...

output:

19065 967

result:

ok single line: '19065 967'

Test #73:

score: 0
Accepted
time: 619ms
memory: 490712kb

input:

995995 995000
1 516
1 2254
1 3620
2 3500
3 184
3 917
3 1224
3 3467
3 4653
4 537
5 3604
6 687
6 1559
6 4129
7 462
7 1012
7 2094
7 2665
7 4363
7 4473
8 300
8 307
8 1678
8 2921
8 4070
9 3102
9 4561
11 1749
11 3944
11 4927
12 1479
12 3635
13 492
14 1693
14 2362
14 4867
15 2073
15 2166
15 2186
16 1523
16...

output:

19765 706

result:

ok single line: '19765 706'

Test #74:

score: 0
Accepted
time: 451ms
memory: 557304kb

input:

999905 196061
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
2 11
2 12
2 13
2 14
2 15
2 16
2 17
2 18
2 19
2 20
3 11
3 12
3 13
3 14
3 15
3 16
3 17
3 18
3 19
3 20
4 11
4 12
4 13
4 14
4 15
4 16
4 17
4 18
4 19
4 20
5 11
5 12
5 13
5 14
5 15
5 16
5 17
5 18
5 19
5 20
6 11
6 12
6 13
6 14
6 15
6 16
6 17
6...

output:

0 1

result:

ok single line: '0 1'

Test #75:

score: 0
Accepted
time: 426ms
memory: 557244kb

input:

999905 196061
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
2 11
2 12
2 13
2 14
2 15
2 16
2 17
2 18
2 19
2 20
3 11
3 12
3 13
3 14
3 15
3 16
3 17
3 18
3 19
3 20
4 11
4 12
4 13
4 14
4 15
4 16
4 17
4 18
4 19
4 20
5 11
5 12
5 13
5 14
5 15
5 16
5 17
5 18
5 19
5 20
6 11
6 12
6 13
6 14
6 15
6 16
6 17
6...

output:

0 0

result:

ok single line: '0 0'

Test #76:

score: -100
Wrong Answer
time: 553ms
memory: 583852kb

input:

999995 833331
1 2
2 3
3 4
4 5
5 1
1 833331
6 7
7 8
8 9
9 10
10 6
6 833331
11 12
12 13
13 14
14 15
15 11
11 833331
16 17
17 18
18 19
19 20
20 16
16 833331
21 22
22 23
23 24
24 25
25 21
21 833331
26 27
27 28
28 29
29 30
30 26
26 833331
31 32
32 33
33 34
34 35
35 31
31 833331
36 37
37 38
38 39
39 40
40...

output:

0 1

result:

wrong answer 1st lines differ - expected: '1 0', found: '0 1'