oj.uz

Submission #1064372

# Submission time Handle Problem Language Result Execution time Memory
1064372 2024-08-18T11:57:39 Z turska Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 2192 ms 74032 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <unordered_set>

using namespace std;
using namespace __gnu_pbds;
template<typename T>
using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;


using ll = long long;
using ull = unsigned long long;
using ld = long double;

using pii = pair<int, int>;
using pll = pair<ll, ll>;

// const ll M = 998244353;
const ll M = 1e9 + 7;

#define all(v) (v).begin(), (v).end()
#define ff first
#define ss second

const ll INFL = 1e18;
const int INF = 1e9;
const int maxN = 50000;

bool dp[maxN][1<<10];
unordered_set<int> adj[maxN];
void solve() {
    int n, k;
    cin >> n >> k;
    for (int i=0; i<n; i++) {
        int d;
        cin >> d;
        for (int j=0; j<d; j++) {
            int x;
            cin >> x;
            adj[i].insert(x);
        }
    }
    vector<int> ord(n);
    iota(all(ord), 0);
    sort(all(ord), [](int l, int r) {
        return adj[l].size() < adj[r].size();
    });
    int ans = 1;
    for (auto i : ord) {
        vector<int> cur;
        for (auto v: adj[i]) cur.push_back(v);
        dp[i][0] = true;
    
        for (int msk=1; msk<1<<cur.size(); msk++) {
            int p = __lg(msk);
            bool ok = dp[i][msk^(1<<p)];

            for (int j=0; j<p; j++) {
                if (!(msk&(1<<j))) continue;
                ok &= adj[cur[j]].count(cur[p]);
            }
            dp[i][msk] = ok;

            if (ok) {
                ans = max(ans, __builtin_popcount(msk)+1);
            }
        }
        for (auto v: cur) adj[v].erase(i);

    }
    cout << ans << '\n';
    
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(NULL);
    // cout << setprecision(12);

    int tc = 1;
    // cin >> tc;
    while (tc--) solve();

}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3216 KB Output is correct
3 Correct 5 ms 8900 KB Output is correct
4 Correct 6 ms 9052 KB Output is correct
5 Correct 6 ms 9144 KB Output is correct
6 Correct 5 ms 9052 KB Output is correct
7 Correct 6 ms 9084 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 3164 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3216 KB Output is correct
3 Correct 5 ms 8900 KB Output is correct
4 Correct 6 ms 9052 KB Output is correct
5 Correct 6 ms 9144 KB Output is correct
6 Correct 5 ms 9052 KB Output is correct
7 Correct 6 ms 9084 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 3164 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 5 ms 9052 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 2 ms 3164 KB Output is correct
14 Correct 6 ms 9052 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 6 ms 9052 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 5 ms 9052 KB Output is correct
19 Correct 4 ms 8228 KB Output is correct
20 Correct 4 ms 8796 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 6 ms 9052 KB Output is correct
24 Correct 3 ms 8028 KB Output is correct
25 Correct 7 ms 9052 KB Output is correct
26 Correct 6 ms 9052 KB Output is correct
27 Correct 5 ms 9052 KB Output is correct
28 Correct 6 ms 8876 KB Output is correct
29 Correct 4 ms 9052 KB Output is correct
30 Correct 6 ms 9052 KB Output is correct
31 Correct 5 ms 9052 KB Output is correct
32 Correct 8 ms 9052 KB Output is correct
33 Correct 6 ms 9052 KB Output is correct
34 Correct 5 ms 9048 KB Output is correct
35 Correct 4 ms 5980 KB Output is correct
36 Correct 4 ms 5980 KB Output is correct
37 Correct 4 ms 6036 KB Output is correct
38 Correct 3 ms 4700 KB Output is correct
39 Correct 2 ms 4700 KB Output is correct
40 Correct 9 ms 9304 KB Output is correct
41 Correct 3 ms 4700 KB Output is correct
42 Correct 8 ms 9308 KB Output is correct
43 Correct 7 ms 9308 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8028 KB Output is correct
2 Correct 1 ms 3164 KB Output is correct
3 Correct 1 ms 3164 KB Output is correct
4 Correct 1 ms 2992 KB Output is correct
5 Correct 2 ms 3164 KB Output is correct
6 Correct 1 ms 3164 KB Output is correct
7 Correct 1 ms 3164 KB Output is correct
8 Correct 1 ms 3164 KB Output is correct
9 Correct 2 ms 3416 KB Output is correct
10 Correct 1 ms 3164 KB Output is correct
11 Correct 320 ms 72992 KB Output is correct
12 Correct 2 ms 3164 KB Output is correct
13 Correct 318 ms 73044 KB Output is correct
14 Correct 2 ms 3160 KB Output is correct
15 Correct 308 ms 72856 KB Output is correct
16 Correct 320 ms 72848 KB Output is correct
17 Correct 328 ms 72996 KB Output is correct
18 Correct 314 ms 73040 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3216 KB Output is correct
3 Correct 5 ms 8900 KB Output is correct
4 Correct 6 ms 9052 KB Output is correct
5 Correct 6 ms 9144 KB Output is correct
6 Correct 5 ms 9052 KB Output is correct
7 Correct 6 ms 9084 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 3164 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 5 ms 9052 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 2 ms 3164 KB Output is correct
14 Correct 6 ms 9052 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 6 ms 9052 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 5 ms 9052 KB Output is correct
19 Correct 4 ms 8228 KB Output is correct
20 Correct 4 ms 8796 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 6 ms 9052 KB Output is correct
24 Correct 3 ms 8028 KB Output is correct
25 Correct 7 ms 9052 KB Output is correct
26 Correct 6 ms 9052 KB Output is correct
27 Correct 5 ms 9052 KB Output is correct
28 Correct 6 ms 8876 KB Output is correct
29 Correct 4 ms 9052 KB Output is correct
30 Correct 6 ms 9052 KB Output is correct
31 Correct 5 ms 9052 KB Output is correct
32 Correct 8 ms 9052 KB Output is correct
33 Correct 6 ms 9052 KB Output is correct
34 Correct 5 ms 9048 KB Output is correct
35 Correct 4 ms 5980 KB Output is correct
36 Correct 4 ms 5980 KB Output is correct
37 Correct 4 ms 6036 KB Output is correct
38 Correct 3 ms 4700 KB Output is correct
39 Correct 2 ms 4700 KB Output is correct
40 Correct 9 ms 9304 KB Output is correct
41 Correct 3 ms 4700 KB Output is correct
42 Correct 8 ms 9308 KB Output is correct
43 Correct 7 ms 9308 KB Output is correct
44 Correct 15 ms 9816 KB Output is correct
45 Correct 1 ms 3164 KB Output is correct
46 Correct 6 ms 9232 KB Output is correct
47 Correct 13 ms 10080 KB Output is correct
48 Correct 7 ms 9308 KB Output is correct
49 Correct 13 ms 10076 KB Output is correct
50 Correct 16 ms 10032 KB Output is correct
51 Correct 365 ms 11600 KB Output is correct
52 Correct 5 ms 9048 KB Output is correct
53 Correct 40 ms 11800 KB Output is correct
54 Correct 2192 ms 27220 KB Output is correct
55 Correct 5 ms 9052 KB Output is correct
56 Correct 5 ms 9052 KB Output is correct
57 Correct 3 ms 8028 KB Output is correct
58 Correct 44 ms 11832 KB Output is correct
59 Correct 8 ms 9308 KB Output is correct
60 Correct 5 ms 9028 KB Output is correct
61 Correct 6 ms 9388 KB Output is correct
62 Correct 10 ms 9304 KB Output is correct
63 Correct 13 ms 9820 KB Output is correct
64 Correct 10 ms 9644 KB Output is correct
65 Correct 6 ms 9180 KB Output is correct
66 Correct 6 ms 9412 KB Output is correct
67 Correct 30 ms 10408 KB Output is correct
68 Correct 12 ms 9672 KB Output is correct
69 Correct 6 ms 9308 KB Output is correct
70 Correct 13 ms 9820 KB Output is correct
71 Correct 29 ms 10376 KB Output is correct
72 Correct 30 ms 10076 KB Output is correct
73 Correct 8 ms 8948 KB Output is correct
74 Correct 12 ms 9816 KB Output is correct
75 Correct 24 ms 10328 KB Output is correct
76 Correct 8 ms 9564 KB Output is correct
77 Correct 56 ms 10624 KB Output is correct
78 Correct 7 ms 9052 KB Output is correct
79 Correct 31 ms 6748 KB Output is correct
80 Correct 9 ms 9560 KB Output is correct
81 Correct 56 ms 10540 KB Output is correct
82 Correct 3 ms 4700 KB Output is correct
83 Correct 30 ms 6876 KB Output is correct
84 Correct 32 ms 9940 KB Output is correct
85 Correct 3 ms 4700 KB Output is correct
86 Correct 43 ms 9920 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3164 KB Output is correct
2 Correct 1 ms 3216 KB Output is correct
3 Correct 5 ms 8900 KB Output is correct
4 Correct 6 ms 9052 KB Output is correct
5 Correct 6 ms 9144 KB Output is correct
6 Correct 5 ms 9052 KB Output is correct
7 Correct 6 ms 9084 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 3164 KB Output is correct
10 Correct 3 ms 8028 KB Output is correct
11 Correct 5 ms 9052 KB Output is correct
12 Correct 4 ms 9052 KB Output is correct
13 Correct 2 ms 3164 KB Output is correct
14 Correct 6 ms 9052 KB Output is correct
15 Correct 1 ms 3164 KB Output is correct
16 Correct 6 ms 9052 KB Output is correct
17 Correct 1 ms 3164 KB Output is correct
18 Correct 5 ms 9052 KB Output is correct
19 Correct 4 ms 8228 KB Output is correct
20 Correct 4 ms 8796 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 6 ms 9052 KB Output is correct
24 Correct 3 ms 8028 KB Output is correct
25 Correct 7 ms 9052 KB Output is correct
26 Correct 6 ms 9052 KB Output is correct
27 Correct 5 ms 9052 KB Output is correct
28 Correct 6 ms 8876 KB Output is correct
29 Correct 4 ms 9052 KB Output is correct
30 Correct 6 ms 9052 KB Output is correct
31 Correct 5 ms 9052 KB Output is correct
32 Correct 8 ms 9052 KB Output is correct
33 Correct 6 ms 9052 KB Output is correct
34 Correct 5 ms 9048 KB Output is correct
35 Correct 4 ms 5980 KB Output is correct
36 Correct 4 ms 5980 KB Output is correct
37 Correct 4 ms 6036 KB Output is correct
38 Correct 3 ms 4700 KB Output is correct
39 Correct 2 ms 4700 KB Output is correct
40 Correct 9 ms 9304 KB Output is correct
41 Correct 3 ms 4700 KB Output is correct
42 Correct 8 ms 9308 KB Output is correct
43 Correct 7 ms 9308 KB Output is correct
44 Correct 1 ms 3164 KB Output is correct
45 Correct 84 ms 68488 KB Output is correct
46 Correct 74 ms 63748 KB Output is correct
47 Correct 97 ms 68624 KB Output is correct
48 Correct 96 ms 68576 KB Output is correct
49 Correct 45 ms 62560 KB Output is correct
50 Correct 99 ms 73924 KB Output is correct
51 Correct 92 ms 68428 KB Output is correct
52 Correct 45 ms 62288 KB Output is correct
53 Correct 41 ms 62704 KB Output is correct
54 Correct 20 ms 53336 KB Output is correct
55 Correct 123 ms 74032 KB Output is correct
56 Correct 34 ms 60496 KB Output is correct
57 Correct 48 ms 62292 KB Output is correct
58 Correct 53 ms 63568 KB Output is correct
59 Correct 38 ms 60500 KB Output is correct
60 Correct 34 ms 60500 KB Output is correct
61 Correct 47 ms 63568 KB Output is correct
62 Correct 45 ms 62036 KB Output is correct
63 Correct 65 ms 64340 KB Output is correct
64 Correct 43 ms 60512 KB Output is correct
65 Correct 70 ms 65928 KB Output is correct
66 Correct 41 ms 62036 KB Output is correct
67 Correct 59 ms 64204 KB Output is correct
68 Correct 64 ms 65364 KB Output is correct
69 Correct 66 ms 65872 KB Output is correct
70 Correct 41 ms 62032 KB Output is correct
71 Correct 65 ms 65520 KB Output is correct
72 Correct 63 ms 64336 KB Output is correct
73 Correct 84 ms 66896 KB Output is correct
74 Correct 45 ms 61868 KB Output is correct
75 Correct 29 ms 34136 KB Output is correct
76 Correct 62 ms 64308 KB Output is correct
77 Correct 78 ms 66900 KB Output is correct
78 Correct 35 ms 35028 KB Output is correct
79 Correct 36 ms 33872 KB Output is correct
80 Correct 17 ms 18780 KB Output is correct
81 Correct 41 ms 34900 KB Output is correct
82 Correct 55 ms 65108 KB Output is correct
83 Correct 17 ms 18780 KB Output is correct
84 Correct 58 ms 65128 KB Output is correct