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Submission #841264

# Submission time Handle Problem Language Result Execution time Memory
841264 2023-09-01T12:20:00 Z serifefedartar Political Development (BOI17_politicaldevelopment) C++17
16 / 100
 3000 ms 32604 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;
			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() + 1);
		}
		omit[node] = true;
	}
	cout << ans << "\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 8 ms 1156 KB Output is correct
4 Correct 5 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 102 ms 1108 KB Output is correct
7 Correct 92 ms 1108 KB Output is correct
8 Correct 1 ms 592 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 336 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 8 ms 1156 KB Output is correct
4 Correct 5 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 102 ms 1108 KB Output is correct
7 Correct 92 ms 1108 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 5 ms 1108 KB Output is correct
12 Correct 5 ms 1108 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 5 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 101 ms 1176 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 95 ms 1176 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 3 ms 852 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 13 ms 1236 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 13 ms 1276 KB Output is correct
26 Correct 11 ms 1188 KB Output is correct
27 Correct 9 ms 1232 KB Output is correct
28 Correct 11 ms 1232 KB Output is correct
29 Correct 10 ms 1108 KB Output is correct
30 Correct 11 ms 1236 KB Output is correct
31 Correct 14 ms 1236 KB Output is correct
32 Correct 11 ms 1332 KB Output is correct
33 Correct 14 ms 1236 KB Output is correct
34 Correct 14 ms 1236 KB Output is correct
35 Correct 7 ms 848 KB Output is correct
36 Correct 7 ms 724 KB Output is correct
37 Correct 7 ms 724 KB Output is correct
38 Correct 5 ms 596 KB Output is correct
39 Correct 5 ms 596 KB Output is correct
40 Correct 67 ms 1748 KB Output is correct
41 Correct 5 ms 596 KB Output is correct
42 Correct 55 ms 1748 KB Output is correct
43 Correct 85 ms 1728 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 1 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 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Execution timed out 3078 ms 32604 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 336 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 8 ms 1156 KB Output is correct
4 Correct 5 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 102 ms 1108 KB Output is correct
7 Correct 92 ms 1108 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 5 ms 1108 KB Output is correct
12 Correct 5 ms 1108 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 5 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 101 ms 1176 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 95 ms 1176 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 3 ms 852 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 13 ms 1236 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 13 ms 1276 KB Output is correct
26 Correct 11 ms 1188 KB Output is correct
27 Correct 9 ms 1232 KB Output is correct
28 Correct 11 ms 1232 KB Output is correct
29 Correct 10 ms 1108 KB Output is correct
30 Correct 11 ms 1236 KB Output is correct
31 Correct 14 ms 1236 KB Output is correct
32 Correct 11 ms 1332 KB Output is correct
33 Correct 14 ms 1236 KB Output is correct
34 Correct 14 ms 1236 KB Output is correct
35 Correct 7 ms 848 KB Output is correct
36 Correct 7 ms 724 KB Output is correct
37 Correct 7 ms 724 KB Output is correct
38 Correct 5 ms 596 KB Output is correct
39 Correct 5 ms 596 KB Output is correct
40 Correct 67 ms 1748 KB Output is correct
41 Correct 5 ms 596 KB Output is correct
42 Correct 55 ms 1748 KB Output is correct
43 Correct 85 ms 1728 KB Output is correct
44 Execution timed out 3052 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 336 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 8 ms 1156 KB Output is correct
4 Correct 5 ms 1108 KB Output is correct
5 Correct 5 ms 1108 KB Output is correct
6 Correct 102 ms 1108 KB Output is correct
7 Correct 92 ms 1108 KB Output is correct
8 Correct 1 ms 592 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 5 ms 1108 KB Output is correct
12 Correct 5 ms 1108 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 5 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 101 ms 1176 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 95 ms 1176 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 3 ms 852 KB Output is correct
21 Correct 3 ms 852 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 13 ms 1236 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 13 ms 1276 KB Output is correct
26 Correct 11 ms 1188 KB Output is correct
27 Correct 9 ms 1232 KB Output is correct
28 Correct 11 ms 1232 KB Output is correct
29 Correct 10 ms 1108 KB Output is correct
30 Correct 11 ms 1236 KB Output is correct
31 Correct 14 ms 1236 KB Output is correct
32 Correct 11 ms 1332 KB Output is correct
33 Correct 14 ms 1236 KB Output is correct
34 Correct 14 ms 1236 KB Output is correct
35 Correct 7 ms 848 KB Output is correct
36 Correct 7 ms 724 KB Output is correct
37 Correct 7 ms 724 KB Output is correct
38 Correct 5 ms 596 KB Output is correct
39 Correct 5 ms 596 KB Output is correct
40 Correct 67 ms 1748 KB Output is correct
41 Correct 5 ms 596 KB Output is correct
42 Correct 55 ms 1748 KB Output is correct
43 Correct 85 ms 1728 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Execution timed out 3055 ms 20708 KB Time limit exceeded
46 Halted 0 ms 0 KB -