oj.uz

Submission #383623

# Submission time Handle Problem Language Result Execution time Memory
383623 2021-03-30T12:10:25 Z haboh Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 2646 ms 28908 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")


#include <iostream>
#include <string.h>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <cmath>
#include <memory.h>
#include <set>

using namespace std;

#define rep(i, n) for(int i =0;i<(n);i++)
#define per(i, n) for (int i=((int)n-1);i>=0;i--)
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
#define make_unique(x) { sort(all(x)); x.resize(unique(x.begin(), x.end()) - x.begin()); }
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define add insert
#define debug(x) { cerr << #x << "= " << x << "\n"; }
typedef long long ll;
typedef vector<int>vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
typedef pair<ll, ll> pll;

const int N = 50000;
set<int> g[N];


int max_click(vi v) {
	int res = 0;
	for (int mask = 1; mask < (1 << sz(v)); mask++) {
		vi u;
		rep(i, sz(v)) {
			if (mask & (1 << i)) {
				u.pb(v[i]);
			}
		}
		bool ok = true;
		rep(i, sz(u)) {
			for (int j = i + 1; j < sz(u); j++) {
				if (g[u[i]].count(u[j]) == 0) {
					ok = false;
				}
			}
		}
		if (ok) {
			res = max(res, sz(u));
		}
	}
	return res;
}

int main() {
	int n, k;
	cin >> n >> k;
	rep(i, n) {
		int d;
		cin >> d;
		rep(j, d) {
			int x;
			cin >> x;
			g[i].add(x);
		}
	}
	set<pii> bdeg;
	rep(i, n) {
		bdeg.add({ sz(g[i]), i });
	}
	int ans = 0;
	while (sz(bdeg)) {
		int v = bdeg.begin()->ss;
		bdeg.erase(bdeg.begin());
		vi cand;
		for (int u : g[v]) {
			cand.pb(u);
		}
		cand.pb(v);

		ans = max(ans, max_click(cand));

		for (int u : g[v]) {
			bdeg.erase(mp(sz(g[u]), u));
			g[u].erase(v);
			bdeg.add(mp(sz(g[u]), u));
		}
	}
	cout << ans;
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2688 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 11 ms 3436 KB Output is correct
4 Correct 12 ms 3564 KB Output is correct
5 Correct 12 ms 3564 KB Output is correct
6 Correct 9 ms 3564 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 5 ms 2924 KB Output is correct
9 Correct 3 ms 2668 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2688 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 11 ms 3436 KB Output is correct
4 Correct 12 ms 3564 KB Output is correct
5 Correct 12 ms 3564 KB Output is correct
6 Correct 9 ms 3564 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 5 ms 2924 KB Output is correct
9 Correct 3 ms 2668 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 11 ms 3456 KB Output is correct
12 Correct 13 ms 3436 KB Output is correct
13 Correct 3 ms 2668 KB Output is correct
14 Correct 11 ms 3436 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 12 ms 3436 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 12 ms 3436 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 8 ms 3180 KB Output is correct
21 Correct 8 ms 3180 KB Output is correct
22 Correct 5 ms 2924 KB Output is correct
23 Correct 13 ms 3564 KB Output is correct
24 Correct 5 ms 2924 KB Output is correct
25 Correct 13 ms 3564 KB Output is correct
26 Correct 13 ms 3436 KB Output is correct
27 Correct 10 ms 3436 KB Output is correct
28 Correct 13 ms 3436 KB Output is correct
29 Correct 11 ms 3436 KB Output is correct
30 Correct 15 ms 3564 KB Output is correct
31 Correct 14 ms 3564 KB Output is correct
32 Correct 15 ms 3564 KB Output is correct
33 Correct 14 ms 3564 KB Output is correct
34 Correct 14 ms 3564 KB Output is correct
35 Correct 8 ms 3180 KB Output is correct
36 Correct 8 ms 3180 KB Output is correct
37 Correct 8 ms 3180 KB Output is correct
38 Correct 6 ms 2924 KB Output is correct
39 Correct 6 ms 2924 KB Output is correct
40 Correct 20 ms 3948 KB Output is correct
41 Correct 8 ms 2924 KB Output is correct
42 Correct 20 ms 3948 KB Output is correct
43 Correct 20 ms 3948 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2924 KB Output is correct
2 Correct 3 ms 2668 KB Output is correct
3 Correct 3 ms 2668 KB Output is correct
4 Correct 2 ms 2668 KB Output is correct
5 Correct 3 ms 2668 KB Output is correct
6 Correct 3 ms 2668 KB Output is correct
7 Correct 3 ms 2668 KB Output is correct
8 Correct 3 ms 2668 KB Output is correct
9 Correct 3 ms 2668 KB Output is correct
10 Correct 3 ms 2668 KB Output is correct
11 Correct 1415 ms 28780 KB Output is correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 1430 ms 28780 KB Output is correct
14 Correct 3 ms 2668 KB Output is correct
15 Correct 1432 ms 28780 KB Output is correct
16 Correct 1399 ms 28908 KB Output is correct
17 Correct 1409 ms 28840 KB Output is correct
18 Correct 1413 ms 28908 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2688 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 11 ms 3436 KB Output is correct
4 Correct 12 ms 3564 KB Output is correct
5 Correct 12 ms 3564 KB Output is correct
6 Correct 9 ms 3564 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 5 ms 2924 KB Output is correct
9 Correct 3 ms 2668 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 11 ms 3456 KB Output is correct
12 Correct 13 ms 3436 KB Output is correct
13 Correct 3 ms 2668 KB Output is correct
14 Correct 11 ms 3436 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 12 ms 3436 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 12 ms 3436 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 8 ms 3180 KB Output is correct
21 Correct 8 ms 3180 KB Output is correct
22 Correct 5 ms 2924 KB Output is correct
23 Correct 13 ms 3564 KB Output is correct
24 Correct 5 ms 2924 KB Output is correct
25 Correct 13 ms 3564 KB Output is correct
26 Correct 13 ms 3436 KB Output is correct
27 Correct 10 ms 3436 KB Output is correct
28 Correct 13 ms 3436 KB Output is correct
29 Correct 11 ms 3436 KB Output is correct
30 Correct 15 ms 3564 KB Output is correct
31 Correct 14 ms 3564 KB Output is correct
32 Correct 15 ms 3564 KB Output is correct
33 Correct 14 ms 3564 KB Output is correct
34 Correct 14 ms 3564 KB Output is correct
35 Correct 8 ms 3180 KB Output is correct
36 Correct 8 ms 3180 KB Output is correct
37 Correct 8 ms 3180 KB Output is correct
38 Correct 6 ms 2924 KB Output is correct
39 Correct 6 ms 2924 KB Output is correct
40 Correct 20 ms 3948 KB Output is correct
41 Correct 8 ms 2924 KB Output is correct
42 Correct 20 ms 3948 KB Output is correct
43 Correct 20 ms 3948 KB Output is correct
44 Correct 165 ms 4972 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 21 ms 3948 KB Output is correct
47 Correct 61 ms 4972 KB Output is correct
48 Correct 21 ms 3948 KB Output is correct
49 Correct 60 ms 4972 KB Output is correct
50 Correct 69 ms 4972 KB Output is correct
51 Correct 919 ms 7096 KB Output is correct
52 Correct 11 ms 3436 KB Output is correct
53 Correct 2646 ms 7660 KB Output is correct
54 Correct 1929 ms 7532 KB Output is correct
55 Correct 12 ms 3436 KB Output is correct
56 Correct 11 ms 3436 KB Output is correct
57 Correct 5 ms 2924 KB Output is correct
58 Correct 2385 ms 7660 KB Output is correct
59 Correct 21 ms 3948 KB Output is correct
60 Correct 11 ms 3436 KB Output is correct
61 Correct 21 ms 3948 KB Output is correct
62 Correct 21 ms 3948 KB Output is correct
63 Correct 165 ms 5100 KB Output is correct
64 Correct 93 ms 4716 KB Output is correct
65 Correct 19 ms 3820 KB Output is correct
66 Correct 21 ms 3948 KB Output is correct
67 Correct 161 ms 5484 KB Output is correct
68 Correct 92 ms 4736 KB Output is correct
69 Correct 18 ms 3820 KB Output is correct
70 Correct 55 ms 4716 KB Output is correct
71 Correct 156 ms 5356 KB Output is correct
72 Correct 126 ms 5228 KB Output is correct
73 Correct 11 ms 3436 KB Output is correct
74 Correct 56 ms 4844 KB Output is correct
75 Correct 125 ms 5356 KB Output is correct
76 Correct 30 ms 4332 KB Output is correct
77 Correct 319 ms 5996 KB Output is correct
78 Correct 11 ms 3436 KB Output is correct
79 Correct 156 ms 4204 KB Output is correct
80 Correct 30 ms 4332 KB Output is correct
81 Correct 320 ms 5868 KB Output is correct
82 Correct 6 ms 2924 KB Output is correct
83 Correct 162 ms 4204 KB Output is correct
84 Correct 126 ms 5228 KB Output is correct
85 Correct 7 ms 2924 KB Output is correct
86 Correct 125 ms 5228 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2688 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 11 ms 3436 KB Output is correct
4 Correct 12 ms 3564 KB Output is correct
5 Correct 12 ms 3564 KB Output is correct
6 Correct 9 ms 3564 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 5 ms 2924 KB Output is correct
9 Correct 3 ms 2668 KB Output is correct
10 Correct 5 ms 2924 KB Output is correct
11 Correct 11 ms 3456 KB Output is correct
12 Correct 13 ms 3436 KB Output is correct
13 Correct 3 ms 2668 KB Output is correct
14 Correct 11 ms 3436 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 12 ms 3436 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 12 ms 3436 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 8 ms 3180 KB Output is correct
21 Correct 8 ms 3180 KB Output is correct
22 Correct 5 ms 2924 KB Output is correct
23 Correct 13 ms 3564 KB Output is correct
24 Correct 5 ms 2924 KB Output is correct
25 Correct 13 ms 3564 KB Output is correct
26 Correct 13 ms 3436 KB Output is correct
27 Correct 10 ms 3436 KB Output is correct
28 Correct 13 ms 3436 KB Output is correct
29 Correct 11 ms 3436 KB Output is correct
30 Correct 15 ms 3564 KB Output is correct
31 Correct 14 ms 3564 KB Output is correct
32 Correct 15 ms 3564 KB Output is correct
33 Correct 14 ms 3564 KB Output is correct
34 Correct 14 ms 3564 KB Output is correct
35 Correct 8 ms 3180 KB Output is correct
36 Correct 8 ms 3180 KB Output is correct
37 Correct 8 ms 3180 KB Output is correct
38 Correct 6 ms 2924 KB Output is correct
39 Correct 6 ms 2924 KB Output is correct
40 Correct 20 ms 3948 KB Output is correct
41 Correct 8 ms 2924 KB Output is correct
42 Correct 20 ms 3948 KB Output is correct
43 Correct 20 ms 3948 KB Output is correct
44 Correct 3 ms 2668 KB Output is correct
45 Correct 422 ms 20844 KB Output is correct
46 Correct 165 ms 13036 KB Output is correct
47 Correct 429 ms 20972 KB Output is correct
48 Correct 423 ms 20972 KB Output is correct
49 Correct 108 ms 10348 KB Output is correct
50 Correct 618 ms 26220 KB Output is correct
51 Correct 433 ms 20844 KB Output is correct
52 Correct 109 ms 10348 KB Output is correct
53 Correct 105 ms 10348 KB Output is correct
54 Correct 29 ms 5100 KB Output is correct
55 Correct 610 ms 26220 KB Output is correct
56 Correct 68 ms 7796 KB Output is correct
57 Correct 105 ms 10348 KB Output is correct
58 Correct 151 ms 13036 KB Output is correct
59 Correct 64 ms 7788 KB Output is correct
60 Correct 67 ms 7788 KB Output is correct
61 Correct 156 ms 13036 KB Output is correct
62 Correct 108 ms 10476 KB Output is correct
63 Correct 225 ms 14444 KB Output is correct
64 Correct 65 ms 7788 KB Output is correct
65 Correct 301 ms 17132 KB Output is correct
66 Correct 111 ms 10348 KB Output is correct
67 Correct 237 ms 14316 KB Output is correct
68 Correct 272 ms 16364 KB Output is correct
69 Correct 302 ms 17004 KB Output is correct
70 Correct 111 ms 10348 KB Output is correct
71 Correct 274 ms 16364 KB Output is correct
72 Correct 203 ms 13932 KB Output is correct
73 Correct 346 ms 18796 KB Output is correct
74 Correct 108 ms 10348 KB Output is correct
75 Correct 104 ms 8940 KB Output is correct
76 Correct 201 ms 13932 KB Output is correct
77 Correct 341 ms 18656 KB Output is correct
78 Correct 168 ms 10604 KB Output is correct
79 Correct 120 ms 9068 KB Output is correct
80 Correct 49 ms 5868 KB Output is correct
81 Correct 155 ms 10604 KB Output is correct
82 Correct 242 ms 15596 KB Output is correct
83 Correct 47 ms 5868 KB Output is correct
84 Correct 242 ms 15596 KB Output is correct