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Submission #841221

# Submission time Handle Problem Language Result Execution time Memory
841221 2023-09-01T11:34:33 Z serifefedartar Political Development (BOI17_politicaldevelopment) C++17
62 / 100
 3000 ms 26872 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++) {
			if (__builtin_popcount(msk) + 1 <= ans)
				continue;
			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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 1108 KB Output is correct
4 Correct 3 ms 1108 KB Output is correct
5 Correct 3 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 3 ms 1108 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 1108 KB Output is correct
4 Correct 3 ms 1108 KB Output is correct
5 Correct 3 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 3 ms 1108 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 5 ms 1100 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 1236 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 4 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 5 ms 1236 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 6 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 6 ms 1620 KB Output is correct
43 Correct 6 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 1 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 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 336 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 1164 ms 26836 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 297 ms 26824 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1195 ms 26872 KB Output is correct
16 Correct 348 ms 26780 KB Output is correct
17 Correct 737 ms 26828 KB Output is correct
18 Correct 881 ms 26828 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 1108 KB Output is correct
4 Correct 3 ms 1108 KB Output is correct
5 Correct 3 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 3 ms 1108 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 5 ms 1100 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 1236 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 4 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 5 ms 1236 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 6 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 6 ms 1620 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 9 ms 2644 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 6 ms 1620 KB Output is correct
47 Correct 28 ms 2644 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 30 ms 2644 KB Output is correct
50 Correct 41 ms 2644 KB Output is correct
51 Correct 2528 ms 4692 KB Output is correct
52 Correct 3 ms 1108 KB Output is correct
53 Correct 684 ms 5204 KB Output is correct
54 Execution timed out 3035 ms 5240 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 1108 KB Output is correct
4 Correct 3 ms 1108 KB Output is correct
5 Correct 3 ms 1108 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 3 ms 1108 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 5 ms 1100 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 1236 KB Output is correct
27 Correct 3 ms 1108 KB Output is correct
28 Correct 4 ms 1108 KB Output is correct
29 Correct 3 ms 1108 KB Output is correct
30 Correct 5 ms 1236 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 6 ms 1620 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 6 ms 1620 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 174 ms 18944 KB Output is correct
46 Correct 70 ms 10960 KB Output is correct
47 Correct 184 ms 18944 KB Output is correct
48 Correct 163 ms 18948 KB Output is correct
49 Correct 33 ms 8404 KB Output is correct
50 Correct 249 ms 24112 KB Output is correct
51 Correct 179 ms 18924 KB Output is correct
52 Correct 47 ms 8384 KB Output is correct
53 Correct 32 ms 8400 KB Output is correct
54 Correct 5 ms 3156 KB Output is correct
55 Correct 251 ms 24184 KB Output is correct
56 Correct 17 ms 5716 KB Output is correct
57 Correct 35 ms 8404 KB Output is correct
58 Correct 33 ms 10956 KB Output is correct
59 Correct 13 ms 5716 KB Output is correct
60 Correct 13 ms 5716 KB Output is correct
61 Correct 33 ms 10956 KB Output is correct
62 Correct 25 ms 8404 KB Output is correct
63 Correct 53 ms 12236 KB Output is correct
64 Correct 13 ms 5716 KB Output is correct
65 Correct 72 ms 14924 KB Output is correct
66 Correct 22 ms 8404 KB Output is correct
67 Correct 62 ms 12236 KB Output is correct
68 Correct 70 ms 14284 KB Output is correct
69 Correct 70 ms 14924 KB Output is correct
70 Correct 24 ms 8404 KB Output is correct
71 Correct 76 ms 14284 KB Output is correct
72 Correct 61 ms 11852 KB Output is correct
73 Correct 175 ms 16660 KB Output is correct
74 Correct 24 ms 8404 KB Output is correct
75 Correct 31 ms 6740 KB Output is correct
76 Correct 58 ms 11852 KB Output is correct
77 Correct 139 ms 16616 KB Output is correct
78 Correct 55 ms 8432 KB Output is correct
79 Correct 32 ms 6768 KB Output is correct
80 Correct 15 ms 3540 KB Output is correct
81 Correct 54 ms 8404 KB Output is correct
82 Correct 61 ms 13644 KB Output is correct
83 Correct 15 ms 3540 KB Output is correct
84 Correct 75 ms 13644 KB Output is correct