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Submission #841263

# Submission time Handle Problem Language Result Execution time Memory
841263 2023-09-01T12:16:47 Z serifefedartar Political Development (BOI17_politicaldevelopment) C++17
16 / 100
 3000 ms 32500 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 1000000007
#define LOGN 20
#define MAXN 200005
 
vector<vector<int>> graph;
vector<pair<int,int>> degree;
set<pair<int,int>> edges;
bool omit[MAXN];
int main() {
	fast
	int N, K, x, D; 
	cin >> N >> K;
 
	graph = vector<vector<int>>(N, vector<int>());
	degree = vector<pair<int,int>>(N);
	for (int i = 0; i < N; i++)
		degree[i] = {0, i};
	for (int i = 0; i < N; i++) {
		cin >> D;
		for (int j = 0; j < D; j++) {
			cin >> x;
			graph[x].push_back(i);
			graph[i].push_back(x);
			edges.insert({i, x});
			edges.insert({x, i});
			degree[i].f++;
			degree[x].f++;
		}
	}
	sort(degree.begin(), degree.end());

	int ans = 1;
	for (auto u : degree) {
		int node = u.s;
 
		vector<int> adj;
		for (auto p : graph[node]) {
			if (!omit[p])
				adj.push_back(p);
		}
		int degree = adj.size();
		
		int mx_mask = (1<<degree) - 1;
		for (int msk = 1; msk <= mx_mask; msk++) {
			vector<int> taken;
			taken.push_back(node);
			bool check = true;
			for (int j = 0; j < degree; j++) {
				if ((1<<j) & msk) {
					for (auto u : taken) {
						if (edges.count({adj[j], u}) == 0)
							check = false;
					}
					taken.push_back(adj[j]);
				}
			}
 
			if (check)
				ans = max(ans, (int)taken.size());
		}
		omit[node] = true;
	}
	cout << ans << "\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 11 ms 1148 KB Output is correct
4 Correct 6 ms 1184 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 101 ms 1176 KB Output is correct
7 Correct 111 ms 1172 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 11 ms 1148 KB Output is correct
4 Correct 6 ms 1184 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 101 ms 1176 KB Output is correct
7 Correct 111 ms 1172 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 9 ms 1240 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 6 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 106 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 103 ms 1168 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 17 ms 1296 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 17 ms 1236 KB Output is correct
26 Correct 15 ms 1316 KB Output is correct
27 Correct 12 ms 1108 KB Output is correct
28 Correct 14 ms 1108 KB Output is correct
29 Correct 12 ms 1108 KB Output is correct
30 Correct 15 ms 1236 KB Output is correct
31 Correct 21 ms 1336 KB Output is correct
32 Correct 18 ms 1340 KB Output is correct
33 Correct 19 ms 1340 KB Output is correct
34 Correct 18 ms 1236 KB Output is correct
35 Correct 9 ms 724 KB Output is correct
36 Correct 9 ms 724 KB Output is correct
37 Correct 9 ms 824 KB Output is correct
38 Correct 8 ms 660 KB Output is correct
39 Correct 7 ms 596 KB Output is correct
40 Correct 90 ms 1728 KB Output is correct
41 Correct 7 ms 596 KB Output is correct
42 Correct 79 ms 1728 KB Output is correct
43 Correct 109 ms 1676 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 3076 ms 32500 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 11 ms 1148 KB Output is correct
4 Correct 6 ms 1184 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 101 ms 1176 KB Output is correct
7 Correct 111 ms 1172 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 9 ms 1240 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 6 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 106 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 103 ms 1168 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 17 ms 1296 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 17 ms 1236 KB Output is correct
26 Correct 15 ms 1316 KB Output is correct
27 Correct 12 ms 1108 KB Output is correct
28 Correct 14 ms 1108 KB Output is correct
29 Correct 12 ms 1108 KB Output is correct
30 Correct 15 ms 1236 KB Output is correct
31 Correct 21 ms 1336 KB Output is correct
32 Correct 18 ms 1340 KB Output is correct
33 Correct 19 ms 1340 KB Output is correct
34 Correct 18 ms 1236 KB Output is correct
35 Correct 9 ms 724 KB Output is correct
36 Correct 9 ms 724 KB Output is correct
37 Correct 9 ms 824 KB Output is correct
38 Correct 8 ms 660 KB Output is correct
39 Correct 7 ms 596 KB Output is correct
40 Correct 90 ms 1728 KB Output is correct
41 Correct 7 ms 596 KB Output is correct
42 Correct 79 ms 1728 KB Output is correct
43 Correct 109 ms 1676 KB Output is correct
44 Execution timed out 3055 ms 2772 KB Time limit exceeded
45 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 11 ms 1148 KB Output is correct
4 Correct 6 ms 1184 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 101 ms 1176 KB Output is correct
7 Correct 111 ms 1172 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 9 ms 1240 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 6 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 106 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 103 ms 1168 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 4 ms 852 KB Output is correct
21 Correct 4 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 17 ms 1296 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 17 ms 1236 KB Output is correct
26 Correct 15 ms 1316 KB Output is correct
27 Correct 12 ms 1108 KB Output is correct
28 Correct 14 ms 1108 KB Output is correct
29 Correct 12 ms 1108 KB Output is correct
30 Correct 15 ms 1236 KB Output is correct
31 Correct 21 ms 1336 KB Output is correct
32 Correct 18 ms 1340 KB Output is correct
33 Correct 19 ms 1340 KB Output is correct
34 Correct 18 ms 1236 KB Output is correct
35 Correct 9 ms 724 KB Output is correct
36 Correct 9 ms 724 KB Output is correct
37 Correct 9 ms 824 KB Output is correct
38 Correct 8 ms 660 KB Output is correct
39 Correct 7 ms 596 KB Output is correct
40 Correct 90 ms 1728 KB Output is correct
41 Correct 7 ms 596 KB Output is correct
42 Correct 79 ms 1728 KB Output is correct
43 Correct 109 ms 1676 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Execution timed out 3039 ms 20624 KB Time limit exceeded
46 Halted 0 ms 0 KB -