Submission #596875

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
596875	2022-07-15T08:28:40 Z	SeDunion	Political Development (BOI17_politicaldevelopment)	C++17	39 / 100	503 ms	60416 KB

politicaldevelopment

#include<bitset>
#include<iostream>
#include<set>
#include<vector>

using namespace std;

const int N = 3e5 + 123;

set<int>g[N];
vector<int>vec;

int s[N];

vector<int>can;

int em[N];

#define cerr if(false) cerr

int was[N];

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int n, k;
	cin >> n >> k;
	for (int i = 0 ; i < n ; ++ i) {
		cin >> s[i];
		for (int j = 0 ; j < s[i] ; ++ j) {
			int x;
			cin >> x;
			g[i].insert(x);
		}
		if (s[i] <= k) {
			was[i] = 1;
			can.emplace_back(i);
		}
	}
	int ans = 0;
	for (int i : can) {
		vec = {i};
		for (auto it : g[i]) vec.emplace_back(it);
		cerr << i << " | ";
		for (int v : vec) cerr << v << " ";
		cerr << endl;
		int m = vec.size();
		for (int x = 0 ; x < m ; ++ x) em[x] = 0;
		for (int x = 0 ; x < m ; ++ x) {
			em[x] |= 1 << x;
			for (int y = 0 ; y < m ; ++ y) {
				if (g[vec[x]].count(vec[y])) em[x] |= 1 << y;
			}
		}
		for (int mask = 0 ; mask < 1 << m ; ++ mask) {
			bool ok = true;
			for (int x = 0 ; x < m ; ++ x) {
				if (mask >> x & 1) {
					if ((mask & em[x]) != mask) ok = false;
				}
			}
			if (ok) ans = max(ans, __builtin_popcount(mask));
		}
		for (int v : vec) g[v].erase(i);
		for (int v : vec) if ((int)g[v].size() <= k && !was[v]) was[v] = 1, can.emplace_back(v);
		g[i].clear();
	}
	cout << ans;
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14436 KB	Output is correct
2	Correct	9 ms	14452 KB	Output is correct
3	Correct	10 ms	14968 KB	Output is correct
4	Correct	11 ms	15040 KB	Output is correct
5	Correct	10 ms	14932 KB	Output is correct
6	Correct	10 ms	14932 KB	Output is correct
7	Correct	10 ms	14932 KB	Output is correct
8	Correct	8 ms	14548 KB	Output is correct
9	Correct	9 ms	14420 KB	Output is correct
10	Correct	8 ms	14444 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14436 KB	Output is correct
2	Correct	9 ms	14452 KB	Output is correct
3	Correct	10 ms	14968 KB	Output is correct
4	Correct	11 ms	15040 KB	Output is correct
5	Correct	10 ms	14932 KB	Output is correct
6	Correct	10 ms	14932 KB	Output is correct
7	Correct	10 ms	14932 KB	Output is correct
8	Correct	8 ms	14548 KB	Output is correct
9	Correct	9 ms	14420 KB	Output is correct
10	Correct	8 ms	14444 KB	Output is correct
11	Correct	10 ms	14932 KB	Output is correct
12	Correct	13 ms	14956 KB	Output is correct
13	Correct	7 ms	14420 KB	Output is correct
14	Correct	10 ms	14932 KB	Output is correct
15	Correct	7 ms	14420 KB	Output is correct
16	Correct	10 ms	14932 KB	Output is correct
17	Correct	7 ms	14420 KB	Output is correct
18	Correct	12 ms	14932 KB	Output is correct
19	Correct	8 ms	14440 KB	Output is correct
20	Correct	9 ms	14676 KB	Output is correct
21	Correct	9 ms	14700 KB	Output is correct
22	Correct	8 ms	14564 KB	Output is correct
23	Correct	12 ms	15088 KB	Output is correct
24	Correct	11 ms	14548 KB	Output is correct
25	Correct	11 ms	15088 KB	Output is correct
26	Correct	10 ms	15064 KB	Output is correct
27	Correct	10 ms	14932 KB	Output is correct
28	Correct	13 ms	15088 KB	Output is correct
29	Correct	10 ms	15024 KB	Output is correct
30	Correct	12 ms	15152 KB	Output is correct
31	Correct	10 ms	15204 KB	Output is correct
32	Correct	12 ms	15188 KB	Output is correct
33	Correct	12 ms	15092 KB	Output is correct
34	Correct	12 ms	15188 KB	Output is correct
35	Correct	10 ms	14708 KB	Output is correct
36	Correct	9 ms	14804 KB	Output is correct
37	Correct	10 ms	14804 KB	Output is correct
38	Correct	9 ms	14676 KB	Output is correct
39	Correct	11 ms	14608 KB	Output is correct
40	Correct	13 ms	15512 KB	Output is correct
41	Correct	9 ms	14676 KB	Output is correct
42	Correct	11 ms	15468 KB	Output is correct
43	Correct	13 ms	15444 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14548 KB	Output is correct
2	Correct	10 ms	14440 KB	Output is correct
3	Correct	7 ms	14420 KB	Output is correct
4	Correct	10 ms	14396 KB	Output is correct
5	Correct	8 ms	14420 KB	Output is correct
6	Correct	7 ms	14420 KB	Output is correct
7	Correct	7 ms	14428 KB	Output is correct
8	Correct	8 ms	14420 KB	Output is correct
9	Correct	8 ms	14432 KB	Output is correct
10	Correct	8 ms	14392 KB	Output is correct
11	Correct	483 ms	38828 KB	Output is correct
12	Correct	7 ms	14420 KB	Output is correct
13	Correct	493 ms	38780 KB	Output is correct
14	Correct	8 ms	14372 KB	Output is correct
15	Correct	497 ms	38756 KB	Output is correct
16	Correct	503 ms	38720 KB	Output is correct
17	Correct	479 ms	38776 KB	Output is correct
18	Correct	477 ms	38728 KB	Output is correct

Subtask #4
0 / 38.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14436 KB	Output is correct
2	Correct	9 ms	14452 KB	Output is correct
3	Correct	10 ms	14968 KB	Output is correct
4	Correct	11 ms	15040 KB	Output is correct
5	Correct	10 ms	14932 KB	Output is correct
6	Correct	10 ms	14932 KB	Output is correct
7	Correct	10 ms	14932 KB	Output is correct
8	Correct	8 ms	14548 KB	Output is correct
9	Correct	9 ms	14420 KB	Output is correct
10	Correct	8 ms	14444 KB	Output is correct
11	Correct	10 ms	14932 KB	Output is correct
12	Correct	13 ms	14956 KB	Output is correct
13	Correct	7 ms	14420 KB	Output is correct
14	Correct	10 ms	14932 KB	Output is correct
15	Correct	7 ms	14420 KB	Output is correct
16	Correct	10 ms	14932 KB	Output is correct
17	Correct	7 ms	14420 KB	Output is correct
18	Correct	12 ms	14932 KB	Output is correct
19	Correct	8 ms	14440 KB	Output is correct
20	Correct	9 ms	14676 KB	Output is correct
21	Correct	9 ms	14700 KB	Output is correct
22	Correct	8 ms	14564 KB	Output is correct
23	Correct	12 ms	15088 KB	Output is correct
24	Correct	11 ms	14548 KB	Output is correct
25	Correct	11 ms	15088 KB	Output is correct
26	Correct	10 ms	15064 KB	Output is correct
27	Correct	10 ms	14932 KB	Output is correct
28	Correct	13 ms	15088 KB	Output is correct
29	Correct	10 ms	15024 KB	Output is correct
30	Correct	12 ms	15152 KB	Output is correct
31	Correct	10 ms	15204 KB	Output is correct
32	Correct	12 ms	15188 KB	Output is correct
33	Correct	12 ms	15092 KB	Output is correct
34	Correct	12 ms	15188 KB	Output is correct
35	Correct	10 ms	14708 KB	Output is correct
36	Correct	9 ms	14804 KB	Output is correct
37	Correct	10 ms	14804 KB	Output is correct
38	Correct	9 ms	14676 KB	Output is correct
39	Correct	11 ms	14608 KB	Output is correct
40	Correct	13 ms	15512 KB	Output is correct
41	Correct	9 ms	14676 KB	Output is correct
42	Correct	11 ms	15468 KB	Output is correct
43	Correct	13 ms	15444 KB	Output is correct
44	Correct	33 ms	16560 KB	Output is correct
45	Correct	7 ms	14420 KB	Output is correct
46	Incorrect	13 ms	15672 KB	Output isn't correct
47	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14436 KB	Output is correct
2	Correct	9 ms	14452 KB	Output is correct
3	Correct	10 ms	14968 KB	Output is correct
4	Correct	11 ms	15040 KB	Output is correct
5	Correct	10 ms	14932 KB	Output is correct
6	Correct	10 ms	14932 KB	Output is correct
7	Correct	10 ms	14932 KB	Output is correct
8	Correct	8 ms	14548 KB	Output is correct
9	Correct	9 ms	14420 KB	Output is correct
10	Correct	8 ms	14444 KB	Output is correct
11	Correct	10 ms	14932 KB	Output is correct
12	Correct	13 ms	14956 KB	Output is correct
13	Correct	7 ms	14420 KB	Output is correct
14	Correct	10 ms	14932 KB	Output is correct
15	Correct	7 ms	14420 KB	Output is correct
16	Correct	10 ms	14932 KB	Output is correct
17	Correct	7 ms	14420 KB	Output is correct
18	Correct	12 ms	14932 KB	Output is correct
19	Correct	8 ms	14440 KB	Output is correct
20	Correct	9 ms	14676 KB	Output is correct
21	Correct	9 ms	14700 KB	Output is correct
22	Correct	8 ms	14564 KB	Output is correct
23	Correct	12 ms	15088 KB	Output is correct
24	Correct	11 ms	14548 KB	Output is correct
25	Correct	11 ms	15088 KB	Output is correct
26	Correct	10 ms	15064 KB	Output is correct
27	Correct	10 ms	14932 KB	Output is correct
28	Correct	13 ms	15088 KB	Output is correct
29	Correct	10 ms	15024 KB	Output is correct
30	Correct	12 ms	15152 KB	Output is correct
31	Correct	10 ms	15204 KB	Output is correct
32	Correct	12 ms	15188 KB	Output is correct
33	Correct	12 ms	15092 KB	Output is correct
34	Correct	12 ms	15188 KB	Output is correct
35	Correct	10 ms	14708 KB	Output is correct
36	Correct	9 ms	14804 KB	Output is correct
37	Correct	10 ms	14804 KB	Output is correct
38	Correct	9 ms	14676 KB	Output is correct
39	Correct	11 ms	14608 KB	Output is correct
40	Correct	13 ms	15512 KB	Output is correct
41	Correct	9 ms	14676 KB	Output is correct
42	Correct	11 ms	15468 KB	Output is correct
43	Correct	13 ms	15444 KB	Output is correct
44	Correct	8 ms	14420 KB	Output is correct
45	Runtime error	127 ms	60416 KB	Execution killed with signal 11
46	Halted	0 ms	0 KB	-

Submission #596875

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 38.0

Subtask #5 0 / 23.0

Subtask #1
4.0 / 4.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 38.0

Subtask #5
0 / 23.0