답안 #631023

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
631023	2022-08-17T14:38:35 Z	hollwo_pelw	Political Development (BOI17_politicaldevelopment)	C++17	16 / 100	238 ms	26076 KB

politicaldevelopment

#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/trie_policy.hpp>
// #include <ext/rope>

using namespace std;
// using namespace __gnu_cxx;
// using namespace __gnu_pbds;

void Hollwo_Pelw();

signed main(){
#ifndef hollwo_pelw_local
	if (fopen(".inp", "r"))
		assert(freopen(".inp", "r", stdin)), assert(freopen(".out", "w", stdout));
#else
	using namespace chrono;
	auto start = steady_clock::now();
#endif
	cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
	int testcases = 1;
	// cin >> testcases;
	for (int test = 1; test <= testcases; test++){
		// cout << "Case #" << test << ": ";
		Hollwo_Pelw();
	}
#ifdef hollwo_pelw_local
	auto end = steady_clock::now();
	cout << "\nExecution time : " << duration_cast<milliseconds> (end - start).count() << "[ms]" << endl;
#endif
}

const int N = 5e4 + 5;

int n, k, con[10], dp[1 << 10], res;
set<int> adj[N];

void Hollwo_Pelw(){
	cin >> n >> k;
	set<pair<int, int>> pq;
	for (int i = 0, j, d; i < n; i++) {
		for (cin >> d; d --; )
			cin >> j, adj[i].insert(j);
	}

	for (int i = 0; i < n; i++)
		pq.emplace(adj[i].size(), i);

	while (!pq.empty()) {
		int u = pq.begin() -> second; pq.erase(pq.begin());

		vector<int> f;
		for (int v : adj[u]) {
			f.push_back(v);
			pq.erase({adj[v].size(), v});

			adj[v].erase(u);

			pq.emplace(adj[v].size(), v);
		}

		int m = f.size();
		assert(m <= k);

		fill(dp, dp + (1 << m), 0);

		for (int i = 0; i < m; i++)
			for (int j = 0; j < m; j++)
				if (adj[f[i]].count(f[j]) || j == i)
					con[i] |= 1 << j;

		dp[0] = 1;

		for (int i = 0; i < m; i++) {
			for (int j = 1 << i; j < 2 << i; j++)
				dp[j] = dp[j ^ 1 << i] & ((con[i] & j) == j);
		}

		for (int j = 0; j < 1 << m; j++) if (dp[j])
			res = max(res, 1 + __builtin_popcount(j));
	}

	cout << res << '\n';
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	6 ms	3324 KB	Output is correct
4	Correct	6 ms	3428 KB	Output is correct
5	Correct	8 ms	3412 KB	Output is correct
6	Correct	6 ms	3444 KB	Output is correct
7	Correct	6 ms	3412 KB	Output is correct
8	Correct	2 ms	2900 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	3 ms	2900 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	6 ms	3324 KB	Output is correct
4	Correct	6 ms	3428 KB	Output is correct
5	Correct	8 ms	3412 KB	Output is correct
6	Correct	6 ms	3444 KB	Output is correct
7	Correct	6 ms	3412 KB	Output is correct
8	Correct	2 ms	2900 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	3 ms	2900 KB	Output is correct
11	Correct	6 ms	3412 KB	Output is correct
12	Correct	6 ms	3368 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	6 ms	3412 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	7 ms	3412 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	6 ms	3328 KB	Output is correct
19	Correct	3 ms	2900 KB	Output is correct
20	Correct	4 ms	3156 KB	Output is correct
21	Correct	5 ms	3072 KB	Output is correct
22	Correct	2 ms	2900 KB	Output is correct
23	Correct	7 ms	3568 KB	Output is correct
24	Correct	2 ms	2812 KB	Output is correct
25	Correct	8 ms	3452 KB	Output is correct
26	Correct	6 ms	3448 KB	Output is correct
27	Correct	6 ms	3412 KB	Output is correct
28	Correct	8 ms	3448 KB	Output is correct
29	Correct	5 ms	3412 KB	Output is correct
30	Correct	7 ms	3496 KB	Output is correct
31	Correct	7 ms	3540 KB	Output is correct
32	Correct	7 ms	3584 KB	Output is correct
33	Correct	7 ms	3580 KB	Output is correct
34	Correct	7 ms	3540 KB	Output is correct
35	Correct	5 ms	3036 KB	Output is correct
36	Correct	4 ms	3076 KB	Output is correct
37	Correct	4 ms	3028 KB	Output is correct
38	Correct	4 ms	2900 KB	Output is correct
39	Correct	4 ms	2900 KB	Output is correct
40	Correct	12 ms	3924 KB	Output is correct
41	Correct	4 ms	2900 KB	Output is correct
42	Correct	10 ms	3960 KB	Output is correct
43	Correct	10 ms	3924 KB	Output is correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2900 KB	Output is correct
2	Incorrect	1 ms	2644 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #4
0 / 38.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	6 ms	3324 KB	Output is correct
4	Correct	6 ms	3428 KB	Output is correct
5	Correct	8 ms	3412 KB	Output is correct
6	Correct	6 ms	3444 KB	Output is correct
7	Correct	6 ms	3412 KB	Output is correct
8	Correct	2 ms	2900 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	3 ms	2900 KB	Output is correct
11	Correct	6 ms	3412 KB	Output is correct
12	Correct	6 ms	3368 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	6 ms	3412 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	7 ms	3412 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	6 ms	3328 KB	Output is correct
19	Correct	3 ms	2900 KB	Output is correct
20	Correct	4 ms	3156 KB	Output is correct
21	Correct	5 ms	3072 KB	Output is correct
22	Correct	2 ms	2900 KB	Output is correct
23	Correct	7 ms	3568 KB	Output is correct
24	Correct	2 ms	2812 KB	Output is correct
25	Correct	8 ms	3452 KB	Output is correct
26	Correct	6 ms	3448 KB	Output is correct
27	Correct	6 ms	3412 KB	Output is correct
28	Correct	8 ms	3448 KB	Output is correct
29	Correct	5 ms	3412 KB	Output is correct
30	Correct	7 ms	3496 KB	Output is correct
31	Correct	7 ms	3540 KB	Output is correct
32	Correct	7 ms	3584 KB	Output is correct
33	Correct	7 ms	3580 KB	Output is correct
34	Correct	7 ms	3540 KB	Output is correct
35	Correct	5 ms	3036 KB	Output is correct
36	Correct	4 ms	3076 KB	Output is correct
37	Correct	4 ms	3028 KB	Output is correct
38	Correct	4 ms	2900 KB	Output is correct
39	Correct	4 ms	2900 KB	Output is correct
40	Correct	12 ms	3924 KB	Output is correct
41	Correct	4 ms	2900 KB	Output is correct
42	Correct	10 ms	3960 KB	Output is correct
43	Correct	10 ms	3924 KB	Output is correct
44	Correct	16 ms	4984 KB	Output is correct
45	Correct	2 ms	2644 KB	Output is correct
46	Correct	11 ms	3908 KB	Output is correct
47	Incorrect	22 ms	4948 KB	Output isn't correct
48	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	6 ms	3324 KB	Output is correct
4	Correct	6 ms	3428 KB	Output is correct
5	Correct	8 ms	3412 KB	Output is correct
6	Correct	6 ms	3444 KB	Output is correct
7	Correct	6 ms	3412 KB	Output is correct
8	Correct	2 ms	2900 KB	Output is correct
9	Correct	2 ms	2644 KB	Output is correct
10	Correct	3 ms	2900 KB	Output is correct
11	Correct	6 ms	3412 KB	Output is correct
12	Correct	6 ms	3368 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	6 ms	3412 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	7 ms	3412 KB	Output is correct
17	Correct	1 ms	2644 KB	Output is correct
18	Correct	6 ms	3328 KB	Output is correct
19	Correct	3 ms	2900 KB	Output is correct
20	Correct	4 ms	3156 KB	Output is correct
21	Correct	5 ms	3072 KB	Output is correct
22	Correct	2 ms	2900 KB	Output is correct
23	Correct	7 ms	3568 KB	Output is correct
24	Correct	2 ms	2812 KB	Output is correct
25	Correct	8 ms	3452 KB	Output is correct
26	Correct	6 ms	3448 KB	Output is correct
27	Correct	6 ms	3412 KB	Output is correct
28	Correct	8 ms	3448 KB	Output is correct
29	Correct	5 ms	3412 KB	Output is correct
30	Correct	7 ms	3496 KB	Output is correct
31	Correct	7 ms	3540 KB	Output is correct
32	Correct	7 ms	3584 KB	Output is correct
33	Correct	7 ms	3580 KB	Output is correct
34	Correct	7 ms	3540 KB	Output is correct
35	Correct	5 ms	3036 KB	Output is correct
36	Correct	4 ms	3076 KB	Output is correct
37	Correct	4 ms	3028 KB	Output is correct
38	Correct	4 ms	2900 KB	Output is correct
39	Correct	4 ms	2900 KB	Output is correct
40	Correct	12 ms	3924 KB	Output is correct
41	Correct	4 ms	2900 KB	Output is correct
42	Correct	10 ms	3960 KB	Output is correct
43	Correct	10 ms	3924 KB	Output is correct
44	Correct	2 ms	2644 KB	Output is correct
45	Correct	199 ms	20828 KB	Output is correct
46	Correct	95 ms	12980 KB	Output is correct
47	Correct	189 ms	20804 KB	Output is correct
48	Correct	238 ms	20804 KB	Output is correct
49	Correct	55 ms	10276 KB	Output is correct
50	Correct	195 ms	26076 KB	Output is correct
51	Incorrect	194 ms	20816 KB	Output isn't correct
52	Halted	0 ms	0 KB	-

답안 #631023

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 12.0 / 12.0

Subtask #3 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
0 / 23.0

Subtask #4
0 / 38.0

Subtask #5
0 / 23.0