oj.uz

Submission #557524

# Submission time Handle Problem Language Result Execution time Memory
557524 2022-05-05T12:29:55 Z fatemetmhr Political Development (BOI17_politicaldevelopment) C++17
16 / 100
 179 ms 40128 KB 
// `Be name khoda` //

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define pb     push_back
#define all(x) x.begin(), x.end()
#define fi     first
#define se     second


const int maxn5 = 2e5 + 10;

set <int> adjset[maxn5];
vector <int> adj[maxn5], ver;
priority_queue <pair<int, int>> av;
bool ed[20][20], mark[maxn5], dp[1 << 20];
int cnt[maxn5];

inline int max_indep(){
    int n = ver.size();
    for(int i = 0; i < n; i++) for(int j = 0; j < n; j++)
        if(adjset[ver[i]].find(ver[j]) != adjset[ver[i]].end())
            ed[i][j] = true;
    dp[0] = true;
    int ans = 0;
    for(int mask = 1; mask < (1 << n); mask++){
        int v = -1;
        dp[mask] = true;
        for(int i = 0; i < n; i++) if((mask >> i)&1){
            if(v == -1){
                v = i;
                dp[mask] = dp[mask ^ (1 << i)];
            }
            else
                dp[mask] &= ed[v][i];
        }
        if(dp[mask])
            ans = max(ans, __builtin_popcount(mask));
    }
    return ans;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    int n, k; cin >> n >> k;
    for(int i = 0; i < n; i++){
        int l; cin >> l;
        cnt[i] = l;
        while(l--){
            int a; cin >> a;
            adj[i].pb(a);
            adjset[i].insert(a);
        }
        av.push({-cnt[i], i});
    }
    int ans = 0;
    for(int i = 0; i < n; i++){
        while(mark[av.top().se])
            av.pop();
        int v = av.top().se;
        av.pop();
        mark[v] = true;
        ver.clear();
        for(auto u : adj[v]) if(!mark[u]){
            cnt[u]--;
            av.push({-cnt[u], u});
            ver.pb(u);
        }
        ans = max(ans, max_indep() + 1);
    }
    cout << ans << endl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 7 ms 14420 KB Output is correct
3 Correct 11 ms 15152 KB Output is correct
4 Correct 11 ms 15200 KB Output is correct
5 Correct 11 ms 15188 KB Output is correct
6 Correct 12 ms 15188 KB Output is correct
7 Correct 13 ms 15188 KB Output is correct
8 Correct 8 ms 14548 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14548 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 7 ms 14420 KB Output is correct
3 Correct 11 ms 15152 KB Output is correct
4 Correct 11 ms 15200 KB Output is correct
5 Correct 11 ms 15188 KB Output is correct
6 Correct 12 ms 15188 KB Output is correct
7 Correct 13 ms 15188 KB Output is correct
8 Correct 8 ms 14548 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14548 KB Output is correct
11 Correct 10 ms 15188 KB Output is correct
12 Correct 12 ms 15196 KB Output is correct
13 Correct 8 ms 14368 KB Output is correct
14 Correct 10 ms 15188 KB Output is correct
15 Correct 10 ms 14332 KB Output is correct
16 Correct 13 ms 15188 KB Output is correct
17 Correct 8 ms 14420 KB Output is correct
18 Correct 12 ms 15208 KB Output is correct
19 Correct 8 ms 14484 KB Output is correct
20 Correct 9 ms 14828 KB Output is correct
21 Correct 9 ms 14836 KB Output is correct
22 Correct 8 ms 14524 KB Output is correct
23 Correct 11 ms 15252 KB Output is correct
24 Correct 8 ms 14548 KB Output is correct
25 Correct 12 ms 15336 KB Output is correct
26 Correct 14 ms 15192 KB Output is correct
27 Correct 11 ms 15076 KB Output is correct
28 Correct 12 ms 15192 KB Output is correct
29 Correct 11 ms 15060 KB Output is correct
30 Correct 13 ms 15372 KB Output is correct
31 Correct 13 ms 15332 KB Output is correct
32 Correct 14 ms 15372 KB Output is correct
33 Correct 12 ms 15316 KB Output is correct
34 Correct 12 ms 15240 KB Output is correct
35 Correct 9 ms 14804 KB Output is correct
36 Correct 10 ms 14804 KB Output is correct
37 Correct 12 ms 14820 KB Output is correct
38 Correct 11 ms 14736 KB Output is correct
39 Correct 10 ms 14696 KB Output is correct
40 Correct 18 ms 15792 KB Output is correct
41 Correct 9 ms 14760 KB Output is correct
42 Correct 14 ms 15752 KB Output is correct
43 Correct 13 ms 15828 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14548 KB Output is correct
2 Incorrect 9 ms 14348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 7 ms 14420 KB Output is correct
3 Correct 11 ms 15152 KB Output is correct
4 Correct 11 ms 15200 KB Output is correct
5 Correct 11 ms 15188 KB Output is correct
6 Correct 12 ms 15188 KB Output is correct
7 Correct 13 ms 15188 KB Output is correct
8 Correct 8 ms 14548 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14548 KB Output is correct
11 Correct 10 ms 15188 KB Output is correct
12 Correct 12 ms 15196 KB Output is correct
13 Correct 8 ms 14368 KB Output is correct
14 Correct 10 ms 15188 KB Output is correct
15 Correct 10 ms 14332 KB Output is correct
16 Correct 13 ms 15188 KB Output is correct
17 Correct 8 ms 14420 KB Output is correct
18 Correct 12 ms 15208 KB Output is correct
19 Correct 8 ms 14484 KB Output is correct
20 Correct 9 ms 14828 KB Output is correct
21 Correct 9 ms 14836 KB Output is correct
22 Correct 8 ms 14524 KB Output is correct
23 Correct 11 ms 15252 KB Output is correct
24 Correct 8 ms 14548 KB Output is correct
25 Correct 12 ms 15336 KB Output is correct
26 Correct 14 ms 15192 KB Output is correct
27 Correct 11 ms 15076 KB Output is correct
28 Correct 12 ms 15192 KB Output is correct
29 Correct 11 ms 15060 KB Output is correct
30 Correct 13 ms 15372 KB Output is correct
31 Correct 13 ms 15332 KB Output is correct
32 Correct 14 ms 15372 KB Output is correct
33 Correct 12 ms 15316 KB Output is correct
34 Correct 12 ms 15240 KB Output is correct
35 Correct 9 ms 14804 KB Output is correct
36 Correct 10 ms 14804 KB Output is correct
37 Correct 12 ms 14820 KB Output is correct
38 Correct 11 ms 14736 KB Output is correct
39 Correct 10 ms 14696 KB Output is correct
40 Correct 18 ms 15792 KB Output is correct
41 Correct 9 ms 14760 KB Output is correct
42 Correct 14 ms 15752 KB Output is correct
43 Correct 13 ms 15828 KB Output is correct
44 Correct 28 ms 16796 KB Output is correct
45 Correct 8 ms 14420 KB Output is correct
46 Correct 14 ms 15792 KB Output is correct
47 Incorrect 24 ms 17100 KB Output isn't correct
48 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 7 ms 14420 KB Output is correct
3 Correct 11 ms 15152 KB Output is correct
4 Correct 11 ms 15200 KB Output is correct
5 Correct 11 ms 15188 KB Output is correct
6 Correct 12 ms 15188 KB Output is correct
7 Correct 13 ms 15188 KB Output is correct
8 Correct 8 ms 14548 KB Output is correct
9 Correct 7 ms 14420 KB Output is correct
10 Correct 8 ms 14548 KB Output is correct
11 Correct 10 ms 15188 KB Output is correct
12 Correct 12 ms 15196 KB Output is correct
13 Correct 8 ms 14368 KB Output is correct
14 Correct 10 ms 15188 KB Output is correct
15 Correct 10 ms 14332 KB Output is correct
16 Correct 13 ms 15188 KB Output is correct
17 Correct 8 ms 14420 KB Output is correct
18 Correct 12 ms 15208 KB Output is correct
19 Correct 8 ms 14484 KB Output is correct
20 Correct 9 ms 14828 KB Output is correct
21 Correct 9 ms 14836 KB Output is correct
22 Correct 8 ms 14524 KB Output is correct
23 Correct 11 ms 15252 KB Output is correct
24 Correct 8 ms 14548 KB Output is correct
25 Correct 12 ms 15336 KB Output is correct
26 Correct 14 ms 15192 KB Output is correct
27 Correct 11 ms 15076 KB Output is correct
28 Correct 12 ms 15192 KB Output is correct
29 Correct 11 ms 15060 KB Output is correct
30 Correct 13 ms 15372 KB Output is correct
31 Correct 13 ms 15332 KB Output is correct
32 Correct 14 ms 15372 KB Output is correct
33 Correct 12 ms 15316 KB Output is correct
34 Correct 12 ms 15240 KB Output is correct
35 Correct 9 ms 14804 KB Output is correct
36 Correct 10 ms 14804 KB Output is correct
37 Correct 12 ms 14820 KB Output is correct
38 Correct 11 ms 14736 KB Output is correct
39 Correct 10 ms 14696 KB Output is correct
40 Correct 18 ms 15792 KB Output is correct
41 Correct 9 ms 14760 KB Output is correct
42 Correct 14 ms 15752 KB Output is correct
43 Correct 13 ms 15828 KB Output is correct
44 Correct 8 ms 14420 KB Output is correct
45 Correct 147 ms 34896 KB Output is correct
46 Correct 85 ms 24716 KB Output is correct
47 Correct 149 ms 34972 KB Output is correct
48 Correct 139 ms 34888 KB Output is correct
49 Correct 58 ms 22080 KB Output is correct
50 Correct 179 ms 40128 KB Output is correct
51 Incorrect 154 ms 35036 KB Output isn't correct
52 Halted 0 ms 0 KB -