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Submission #841222

# Submission time Handle Problem Language Result Execution time Memory
841222 2023-09-01T11:37:53 Z serifefedartar Political Development (BOI17_politicaldevelopment) C++17
62 / 100
 3000 ms 24252 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++) {
			int k = __builtin_popcount(msk);
			if (k + 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, k + 1);
		}
 
		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 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 1 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 980 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 980 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 820 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 3 ms 1108 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 3 ms 1108 KB Output is correct
26 Correct 3 ms 1108 KB Output is correct
27 Correct 3 ms 1032 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 2 ms 980 KB Output is correct
30 Correct 4 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1196 KB Output is correct
33 Correct 3 ms 1108 KB Output is correct
34 Correct 3 ms 1108 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 1 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 5 ms 1500 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 6 ms 1492 KB Output is correct
43 Correct 6 ms 1492 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 1185 ms 24188 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 306 ms 24184 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1219 ms 24184 KB Output is correct
16 Correct 366 ms 24076 KB Output is correct
17 Correct 716 ms 24180 KB Output is correct
18 Correct 899 ms 24252 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 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 980 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 980 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 820 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 3 ms 1108 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 3 ms 1108 KB Output is correct
26 Correct 3 ms 1108 KB Output is correct
27 Correct 3 ms 1032 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 2 ms 980 KB Output is correct
30 Correct 4 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1196 KB Output is correct
33 Correct 3 ms 1108 KB Output is correct
34 Correct 3 ms 1108 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 1 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 5 ms 1500 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 6 ms 1492 KB Output is correct
43 Correct 6 ms 1492 KB Output is correct
44 Correct 9 ms 2448 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 6 ms 1492 KB Output is correct
47 Correct 28 ms 2424 KB Output is correct
48 Correct 6 ms 1492 KB Output is correct
49 Correct 32 ms 2408 KB Output is correct
50 Correct 41 ms 2388 KB Output is correct
51 Correct 2605 ms 4340 KB Output is correct
52 Correct 3 ms 980 KB Output is correct
53 Correct 690 ms 4800 KB Output is correct
54 Execution timed out 3050 ms 4808 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 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 980 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 980 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 3 ms 980 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 980 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 820 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 3 ms 1108 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 3 ms 1108 KB Output is correct
26 Correct 3 ms 1108 KB Output is correct
27 Correct 3 ms 1032 KB Output is correct
28 Correct 3 ms 1108 KB Output is correct
29 Correct 2 ms 980 KB Output is correct
30 Correct 4 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 4 ms 1196 KB Output is correct
33 Correct 3 ms 1108 KB Output is correct
34 Correct 3 ms 1108 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 1 ms 596 KB Output is correct
39 Correct 2 ms 596 KB Output is correct
40 Correct 5 ms 1500 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 6 ms 1492 KB Output is correct
43 Correct 6 ms 1492 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 193 ms 17152 KB Output is correct
46 Correct 44 ms 10048 KB Output is correct
47 Correct 218 ms 17160 KB Output is correct
48 Correct 163 ms 17028 KB Output is correct
49 Correct 32 ms 7700 KB Output is correct
50 Correct 228 ms 21820 KB Output is correct
51 Correct 159 ms 17120 KB Output is correct
52 Correct 36 ms 7752 KB Output is correct
53 Correct 35 ms 7756 KB Output is correct
54 Correct 4 ms 3028 KB Output is correct
55 Correct 263 ms 21836 KB Output is correct
56 Correct 14 ms 5332 KB Output is correct
57 Correct 32 ms 7716 KB Output is correct
58 Correct 33 ms 10096 KB Output is correct
59 Correct 12 ms 5324 KB Output is correct
60 Correct 12 ms 5332 KB Output is correct
61 Correct 45 ms 10136 KB Output is correct
62 Correct 21 ms 7668 KB Output is correct
63 Correct 53 ms 11220 KB Output is correct
64 Correct 12 ms 5332 KB Output is correct
65 Correct 77 ms 13628 KB Output is correct
66 Correct 22 ms 7764 KB Output is correct
67 Correct 54 ms 11260 KB Output is correct
68 Correct 86 ms 13004 KB Output is correct
69 Correct 88 ms 13616 KB Output is correct
70 Correct 27 ms 7764 KB Output is correct
71 Correct 72 ms 13008 KB Output is correct
72 Correct 57 ms 10880 KB Output is correct
73 Correct 143 ms 15212 KB Output is correct
74 Correct 24 ms 7680 KB Output is correct
75 Correct 31 ms 6268 KB Output is correct
76 Correct 57 ms 10888 KB Output is correct
77 Correct 135 ms 15184 KB Output is correct
78 Correct 60 ms 7712 KB Output is correct
79 Correct 30 ms 6124 KB Output is correct
80 Correct 17 ms 3292 KB Output is correct
81 Correct 52 ms 7632 KB Output is correct
82 Correct 59 ms 12384 KB Output is correct
83 Correct 15 ms 3284 KB Output is correct
84 Correct 61 ms 12368 KB Output is correct