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Submission #840905

# Submission time Handle Problem Language Result Execution time Memory
840905 2023-08-31T20:46:35 Z serifefedartar Political Development (BOI17_politicaldevelopment) C++17
62 / 100
 3000 ms 26956 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<set<int>> graph;
vector<pair<int,int>> degree;
int main() {
	fast
	int N, K, x, D; 
	cin >> N >> K;

	graph = vector<set<int>>(N, set<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].insert(i);
			graph[i].insert(x);
			degree[i].f++;
			degree[x].f++;
		}
	}
	sort(degree.begin(), degree.end());

	int ans = 1;
	for (auto u : degree) {
		int node = u.s;
		int degree = graph[node].size();

		vector<int> adj;
		for (auto u : graph[node])
			adj.push_back(u);
		
		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 (graph[adj[j]].count(u) == 0)
							check = false;
					}
					taken.push_back(adj[j]);
				}
			}

			if (check)
				ans = max(ans, (int)taken.size());
		}

		for (auto u : graph[node])
			graph[u].erase(node);
	}
	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 3 ms 980 KB Output is correct
4 Correct 3 ms 980 KB Output is correct
5 Correct 3 ms 980 KB Output is correct
6 Correct 3 ms 980 KB Output is correct
7 Correct 3 ms 980 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 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 3 ms 980 KB Output is correct
4 Correct 3 ms 980 KB Output is correct
5 Correct 3 ms 980 KB Output is correct
6 Correct 3 ms 980 KB Output is correct
7 Correct 3 ms 980 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 3 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 1108 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 852 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 4 ms 1236 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1236 KB Output is correct
26 Correct 4 ms 1108 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 4 ms 1360 KB Output is correct
31 Correct 4 ms 1236 KB Output is correct
32 Correct 4 ms 1236 KB Output is correct
33 Correct 4 ms 1236 KB Output is correct
34 Correct 4 ms 1236 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 7 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 7 ms 1620 KB Output is correct
43 Correct 7 ms 1620 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1239 ms 26932 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1298 ms 26828 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1244 ms 26832 KB Output is correct
16 Correct 1296 ms 26832 KB Output is correct
17 Correct 1300 ms 26864 KB Output is correct
18 Correct 1268 ms 26956 KB Output is correct

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 3 ms 980 KB Output is correct
4 Correct 3 ms 980 KB Output is correct
5 Correct 3 ms 980 KB Output is correct
6 Correct 3 ms 980 KB Output is correct
7 Correct 3 ms 980 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 3 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 1108 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 852 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 4 ms 1236 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1236 KB Output is correct
26 Correct 4 ms 1108 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 4 ms 1360 KB Output is correct
31 Correct 4 ms 1236 KB Output is correct
32 Correct 4 ms 1236 KB Output is correct
33 Correct 4 ms 1236 KB Output is correct
34 Correct 4 ms 1236 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 7 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 7 ms 1620 KB Output is correct
43 Correct 7 ms 1620 KB Output is correct
44 Correct 54 ms 2644 KB Output is correct
45 Correct 0 ms 316 KB Output is correct
46 Correct 7 ms 1620 KB Output is correct
47 Correct 35 ms 2644 KB Output is correct
48 Correct 7 ms 1620 KB Output is correct
49 Correct 39 ms 2644 KB Output is correct
50 Correct 49 ms 2644 KB Output is correct
51 Correct 2693 ms 4692 KB Output is correct
52 Correct 3 ms 1104 KB Output is correct
53 Correct 684 ms 5204 KB Output is correct
54 Execution timed out 3045 ms 5248 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #5
23.0 / 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 3 ms 980 KB Output is correct
4 Correct 3 ms 980 KB Output is correct
5 Correct 3 ms 980 KB Output is correct
6 Correct 3 ms 980 KB Output is correct
7 Correct 3 ms 980 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 3 ms 1108 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1108 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 1108 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 1108 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 852 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 4 ms 1236 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1236 KB Output is correct
26 Correct 4 ms 1108 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 4 ms 1360 KB Output is correct
31 Correct 4 ms 1236 KB Output is correct
32 Correct 4 ms 1236 KB Output is correct
33 Correct 4 ms 1236 KB Output is correct
34 Correct 4 ms 1236 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 7 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 7 ms 1620 KB Output is correct
43 Correct 7 ms 1620 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 184 ms 18920 KB Output is correct
46 Correct 45 ms 10956 KB Output is correct
47 Correct 204 ms 18916 KB Output is correct
48 Correct 189 ms 18892 KB Output is correct
49 Correct 38 ms 8452 KB Output is correct
50 Correct 261 ms 24148 KB Output is correct
51 Correct 216 ms 18936 KB Output is correct
52 Correct 35 ms 8404 KB Output is correct
53 Correct 36 ms 8404 KB Output is correct
54 Correct 5 ms 3156 KB Output is correct
55 Correct 255 ms 24192 KB Output is correct
56 Correct 14 ms 5716 KB Output is correct
57 Correct 39 ms 8404 KB Output is correct
58 Correct 50 ms 11008 KB Output is correct
59 Correct 18 ms 5716 KB Output is correct
60 Correct 14 ms 5716 KB Output is correct
61 Correct 40 ms 11056 KB Output is correct
62 Correct 25 ms 8404 KB Output is correct
63 Correct 74 ms 12344 KB Output is correct
64 Correct 13 ms 5716 KB Output is correct
65 Correct 100 ms 15012 KB Output is correct
66 Correct 26 ms 8404 KB Output is correct
67 Correct 70 ms 12236 KB Output is correct
68 Correct 88 ms 14284 KB Output is correct
69 Correct 114 ms 14952 KB Output is correct
70 Correct 28 ms 8404 KB Output is correct
71 Correct 109 ms 14284 KB Output is correct
72 Correct 63 ms 11984 KB Output is correct
73 Correct 136 ms 16596 KB Output is correct
74 Correct 25 ms 8308 KB Output is correct
75 Correct 32 ms 6740 KB Output is correct
76 Correct 64 ms 11852 KB Output is correct
77 Correct 125 ms 16676 KB Output is correct
78 Correct 62 ms 8476 KB Output is correct
79 Correct 35 ms 6764 KB Output is correct
80 Correct 16 ms 3540 KB Output is correct
81 Correct 58 ms 8404 KB Output is correct
82 Correct 75 ms 13628 KB Output is correct
83 Correct 16 ms 3540 KB Output is correct
84 Correct 83 ms 13656 KB Output is correct