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Submission #596876

# Submission time Handle Problem Language Result Execution time Memory
596876 2022-07-15T08:34:54 Z SeDunion Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 527 ms 58664 KB 
#include<bitset>
#include<algorithm>
#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 ((int)g[i].size() <= 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);
		sort(vec.begin(), vec.end());
		vec.resize(unique(vec.begin(), vec.end()) - vec.begin());
		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 9 ms 14420 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 13 ms 14960 KB Output is correct
4 Correct 12 ms 14932 KB Output is correct
5 Correct 13 ms 14876 KB Output is correct
6 Correct 11 ms 14860 KB Output is correct
7 Correct 10 ms 14932 KB Output is correct
8 Correct 9 ms 14420 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14536 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14420 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 13 ms 14960 KB Output is correct
4 Correct 12 ms 14932 KB Output is correct
5 Correct 13 ms 14876 KB Output is correct
6 Correct 11 ms 14860 KB Output is correct
7 Correct 10 ms 14932 KB Output is correct
8 Correct 9 ms 14420 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14536 KB Output is correct
11 Correct 10 ms 14932 KB Output is correct
12 Correct 11 ms 14932 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 10 ms 14976 KB Output is correct
15 Correct 8 ms 14420 KB Output is correct
16 Correct 10 ms 14932 KB Output is correct
17 Correct 8 ms 14364 KB Output is correct
18 Correct 12 ms 14940 KB Output is correct
19 Correct 10 ms 14516 KB Output is correct
20 Correct 10 ms 14676 KB Output is correct
21 Correct 9 ms 14636 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
23 Correct 11 ms 15060 KB Output is correct
24 Correct 8 ms 14524 KB Output is correct
25 Correct 13 ms 15060 KB Output is correct
26 Correct 10 ms 14932 KB Output is correct
27 Correct 10 ms 14964 KB Output is correct
28 Correct 13 ms 14948 KB Output is correct
29 Correct 12 ms 14924 KB Output is correct
30 Correct 12 ms 15060 KB Output is correct
31 Correct 11 ms 15060 KB Output is correct
32 Correct 11 ms 15060 KB Output is correct
33 Correct 15 ms 15132 KB Output is correct
34 Correct 11 ms 15060 KB Output is correct
35 Correct 9 ms 14784 KB Output is correct
36 Correct 9 ms 14676 KB Output is correct
37 Correct 10 ms 14712 KB Output is correct
38 Correct 9 ms 14676 KB Output is correct
39 Correct 9 ms 14676 KB Output is correct
40 Correct 12 ms 15432 KB Output is correct
41 Correct 8 ms 14676 KB Output is correct
42 Correct 12 ms 15316 KB Output is correct
43 Correct 12 ms 15436 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 8 ms 14420 KB Output is correct
4 Correct 7 ms 14420 KB Output is correct
5 Correct 8 ms 14372 KB Output is correct
6 Correct 9 ms 14420 KB Output is correct
7 Correct 8 ms 14432 KB Output is correct
8 Correct 8 ms 14420 KB Output is correct
9 Correct 8 ms 14440 KB Output is correct
10 Correct 8 ms 14420 KB Output is correct
11 Correct 473 ms 36120 KB Output is correct
12 Correct 7 ms 14420 KB Output is correct
13 Correct 488 ms 36036 KB Output is correct
14 Correct 8 ms 14420 KB Output is correct
15 Correct 492 ms 36068 KB Output is correct
16 Correct 527 ms 36040 KB Output is correct
17 Correct 524 ms 36156 KB Output is correct
18 Correct 488 ms 36044 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14420 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 13 ms 14960 KB Output is correct
4 Correct 12 ms 14932 KB Output is correct
5 Correct 13 ms 14876 KB Output is correct
6 Correct 11 ms 14860 KB Output is correct
7 Correct 10 ms 14932 KB Output is correct
8 Correct 9 ms 14420 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14536 KB Output is correct
11 Correct 10 ms 14932 KB Output is correct
12 Correct 11 ms 14932 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 10 ms 14976 KB Output is correct
15 Correct 8 ms 14420 KB Output is correct
16 Correct 10 ms 14932 KB Output is correct
17 Correct 8 ms 14364 KB Output is correct
18 Correct 12 ms 14940 KB Output is correct
19 Correct 10 ms 14516 KB Output is correct
20 Correct 10 ms 14676 KB Output is correct
21 Correct 9 ms 14636 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
23 Correct 11 ms 15060 KB Output is correct
24 Correct 8 ms 14524 KB Output is correct
25 Correct 13 ms 15060 KB Output is correct
26 Correct 10 ms 14932 KB Output is correct
27 Correct 10 ms 14964 KB Output is correct
28 Correct 13 ms 14948 KB Output is correct
29 Correct 12 ms 14924 KB Output is correct
30 Correct 12 ms 15060 KB Output is correct
31 Correct 11 ms 15060 KB Output is correct
32 Correct 11 ms 15060 KB Output is correct
33 Correct 15 ms 15132 KB Output is correct
34 Correct 11 ms 15060 KB Output is correct
35 Correct 9 ms 14784 KB Output is correct
36 Correct 9 ms 14676 KB Output is correct
37 Correct 10 ms 14712 KB Output is correct
38 Correct 9 ms 14676 KB Output is correct
39 Correct 9 ms 14676 KB Output is correct
40 Correct 12 ms 15432 KB Output is correct
41 Correct 8 ms 14676 KB Output is correct
42 Correct 12 ms 15316 KB Output is correct
43 Correct 12 ms 15436 KB Output is correct
44 Correct 31 ms 16340 KB Output is correct
45 Correct 7 ms 14420 KB Output is correct
46 Incorrect 17 ms 15364 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14420 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 13 ms 14960 KB Output is correct
4 Correct 12 ms 14932 KB Output is correct
5 Correct 13 ms 14876 KB Output is correct
6 Correct 11 ms 14860 KB Output is correct
7 Correct 10 ms 14932 KB Output is correct
8 Correct 9 ms 14420 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14536 KB Output is correct
11 Correct 10 ms 14932 KB Output is correct
12 Correct 11 ms 14932 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 10 ms 14976 KB Output is correct
15 Correct 8 ms 14420 KB Output is correct
16 Correct 10 ms 14932 KB Output is correct
17 Correct 8 ms 14364 KB Output is correct
18 Correct 12 ms 14940 KB Output is correct
19 Correct 10 ms 14516 KB Output is correct
20 Correct 10 ms 14676 KB Output is correct
21 Correct 9 ms 14636 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
23 Correct 11 ms 15060 KB Output is correct
24 Correct 8 ms 14524 KB Output is correct
25 Correct 13 ms 15060 KB Output is correct
26 Correct 10 ms 14932 KB Output is correct
27 Correct 10 ms 14964 KB Output is correct
28 Correct 13 ms 14948 KB Output is correct
29 Correct 12 ms 14924 KB Output is correct
30 Correct 12 ms 15060 KB Output is correct
31 Correct 11 ms 15060 KB Output is correct
32 Correct 11 ms 15060 KB Output is correct
33 Correct 15 ms 15132 KB Output is correct
34 Correct 11 ms 15060 KB Output is correct
35 Correct 9 ms 14784 KB Output is correct
36 Correct 9 ms 14676 KB Output is correct
37 Correct 10 ms 14712 KB Output is correct
38 Correct 9 ms 14676 KB Output is correct
39 Correct 9 ms 14676 KB Output is correct
40 Correct 12 ms 15432 KB Output is correct
41 Correct 8 ms 14676 KB Output is correct
42 Correct 12 ms 15316 KB Output is correct
43 Correct 12 ms 15436 KB Output is correct
44 Correct 9 ms 14420 KB Output is correct
45 Runtime error 138 ms 58664 KB Execution killed with signal 11
46 Halted 0 ms 0 KB -