oj.uz

Submission #785584

# Submission time Handle Problem Language Result Execution time Memory
785584 2023-07-17T10:25:00 Z SlavicG Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 454 ms 26144 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
 
#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()
 
void solve() {
    int n, k; cin >> n >> k;
    unordered_set<int> st[n + 1];
    vector<vector<int>> adj(n);
    for(int i = 0; i < n; ++i) {
        int x; cin >> x; 
        if(x >= 1) {
            adj[i].resize(x);
            for(int j = 0; j < x; ++j) {
                cin >> adj[i][j];
                st[i].insert(adj[i][j]);
                st[adj[i][j]].insert(i);
            }
        } 
    }
    int ans = 1;
    for(int i = 0; i < n; ++i) {
        if(sz(adj[i]) > k + 1) continue;
        vector<int> dp(1 << (sz(adj[i])), 0);
        dp[0] = 1;
        for(int mask = 0; mask < (1 << (sz(adj[i]))); ++mask) {
            if(!dp[mask]) continue;
            int cnt = 1;
            for(int f = 0; f < sz(adj[i]); ++f) {
                if(mask >> f & 1) ++cnt;
            }
            ans = max(ans, cnt);
            for(int j = 0; j < sz(adj[i]); ++j) {
                if(mask >> j & 1) continue;
                bool check = true;
                for(int f = 0; f < sz(adj[i]); ++f) {
                    if(mask >> f & 1) {
                        if(st[adj[i][j]].find(adj[i][f]) == st[adj[i][j]].end()) check = false;
                    }
                }
                if(check) dp[mask | (1 << j)] = 1;
            }
        }
    }
    cout << ans << "\n";
}   
 
int32_t main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t;
    while(t--) {
        solve();
    }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 1620 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1784 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 1620 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1784 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 3 ms 1748 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1748 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 1 ms 664 KB Output is correct
20 Correct 3 ms 1488 KB Output is correct
21 Correct 3 ms 1492 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 5 ms 1748 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 5 ms 1744 KB Output is correct
27 Correct 4 ms 1620 KB Output is correct
28 Correct 6 ms 1620 KB Output is correct
29 Correct 4 ms 1620 KB Output is correct
30 Correct 4 ms 1876 KB Output is correct
31 Correct 4 ms 1748 KB Output is correct
32 Correct 6 ms 1876 KB Output is correct
33 Correct 4 ms 1748 KB Output is correct
34 Correct 4 ms 1748 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 3 ms 980 KB Output is correct
37 Correct 2 ms 980 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 6 ms 1952 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 6 ms 2024 KB Output is correct
43 Correct 6 ms 2004 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 428 ms 26132 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 454 ms 26136 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 422 ms 26144 KB Output is correct
16 Correct 454 ms 26060 KB Output is correct
17 Correct 424 ms 26028 KB Output is correct
18 Correct 427 ms 26140 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 1620 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1784 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 3 ms 1748 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1748 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 1 ms 664 KB Output is correct
20 Correct 3 ms 1488 KB Output is correct
21 Correct 3 ms 1492 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 5 ms 1748 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 5 ms 1744 KB Output is correct
27 Correct 4 ms 1620 KB Output is correct
28 Correct 6 ms 1620 KB Output is correct
29 Correct 4 ms 1620 KB Output is correct
30 Correct 4 ms 1876 KB Output is correct
31 Correct 4 ms 1748 KB Output is correct
32 Correct 6 ms 1876 KB Output is correct
33 Correct 4 ms 1748 KB Output is correct
34 Correct 4 ms 1748 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 3 ms 980 KB Output is correct
37 Correct 2 ms 980 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 6 ms 1952 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 6 ms 2024 KB Output is correct
43 Correct 6 ms 2004 KB Output is correct
44 Correct 269 ms 2644 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Incorrect 6 ms 2028 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 1620 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1784 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 3 ms 1748 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 3 ms 1748 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 1 ms 664 KB Output is correct
20 Correct 3 ms 1488 KB Output is correct
21 Correct 3 ms 1492 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 5 ms 1748 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 5 ms 1744 KB Output is correct
27 Correct 4 ms 1620 KB Output is correct
28 Correct 6 ms 1620 KB Output is correct
29 Correct 4 ms 1620 KB Output is correct
30 Correct 4 ms 1876 KB Output is correct
31 Correct 4 ms 1748 KB Output is correct
32 Correct 6 ms 1876 KB Output is correct
33 Correct 4 ms 1748 KB Output is correct
34 Correct 4 ms 1748 KB Output is correct
35 Correct 3 ms 980 KB Output is correct
36 Correct 3 ms 980 KB Output is correct
37 Correct 2 ms 980 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 6 ms 1952 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 6 ms 2024 KB Output is correct
43 Correct 6 ms 2004 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Incorrect 128 ms 21204 KB Output isn't correct
46 Halted 0 ms 0 KB -