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Submission #924422

# Submission time Handle Problem Language Result Execution time Memory
924422 2024-02-09T03:30:58 Z Ghulam_Junaid Political Development (BOI17_politicaldevelopment) C++17
39 / 100
 349 ms 26448 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 5e4 + 10;
int n, k;
set<int> g[N];
set<pair<int, int>> st;

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

    cin >> n >> k;

    for (int i = 0; i < n; i ++){
        int x;
        cin >> x;

        for (int j = 0; j < x; j ++){
            int v;
            cin >> v;
            g[i].insert(v);
        }

        st.insert({x, i});
    }

    int ans = 1;
    while (!st.empty()){
        auto p = *st.begin();
        st.erase(st.begin());

        int v = p.second;

        vector<int> possible;
        for (int u : g[v])
            possible.push_back(u);

        int sz = possible.size();

        for (int mask = 1; mask < (1 << sz); mask ++){
            vector<int> appeared;       
            bool good = 1;     
            for (int i = 0; i < sz; i ++){
                if ((1 << i) & mask == 0) continue;

                bool all = 1;
                for (int x : appeared)
                    if (g[possible[i]].find(x) == g[possible[i]].end())
                        all = 0;

                if (!all){
                    good = 0;
                    break;
                }

                appeared.push_back(possible[i]);
            }

            if (good)
                ans = max(ans, (int)appeared.size() + 1);
        }

        for (int u : possible){
            st.erase({g[u].size(), u});
            g[u].erase(v);
            st.insert({g[u].size(), u});
        }
    }

    cout << ans << endl;
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:45:37: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   45 |                 if ((1 << i) & mask == 0) continue;
      |                                ~~~~~^~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 3416 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 4 ms 3420 KB Output is correct
6 Correct 5 ms 3420 KB Output is correct
7 Correct 4 ms 3420 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 2 ms 2904 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 3416 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 4 ms 3420 KB Output is correct
6 Correct 5 ms 3420 KB Output is correct
7 Correct 4 ms 3420 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 2 ms 2904 KB Output is correct
11 Correct 4 ms 3420 KB Output is correct
12 Correct 4 ms 3420 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 4 ms 3420 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 4 ms 3420 KB Output is correct
19 Correct 2 ms 2908 KB Output is correct
20 Correct 3 ms 3164 KB Output is correct
21 Correct 3 ms 3164 KB Output is correct
22 Correct 1 ms 2908 KB Output is correct
23 Correct 5 ms 3420 KB Output is correct
24 Correct 1 ms 2904 KB Output is correct
25 Correct 5 ms 3420 KB Output is correct
26 Correct 5 ms 3420 KB Output is correct
27 Correct 4 ms 3420 KB Output is correct
28 Correct 5 ms 3420 KB Output is correct
29 Correct 4 ms 3420 KB Output is correct
30 Correct 5 ms 3420 KB Output is correct
31 Correct 6 ms 3416 KB Output is correct
32 Correct 5 ms 3420 KB Output is correct
33 Correct 5 ms 3420 KB Output is correct
34 Correct 5 ms 3420 KB Output is correct
35 Correct 3 ms 3160 KB Output is correct
36 Correct 4 ms 3236 KB Output is correct
37 Correct 3 ms 3160 KB Output is correct
38 Correct 2 ms 3104 KB Output is correct
39 Correct 2 ms 3084 KB Output is correct
40 Correct 8 ms 3932 KB Output is correct
41 Correct 2 ms 2980 KB Output is correct
42 Correct 8 ms 4184 KB Output is correct
43 Correct 8 ms 3932 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2988 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2808 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 322 ms 26448 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 315 ms 26264 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 313 ms 26268 KB Output is correct
16 Correct 292 ms 26264 KB Output is correct
17 Correct 349 ms 26268 KB Output is correct
18 Correct 273 ms 26192 KB Output is correct

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 3416 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 4 ms 3420 KB Output is correct
6 Correct 5 ms 3420 KB Output is correct
7 Correct 4 ms 3420 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 2 ms 2904 KB Output is correct
11 Correct 4 ms 3420 KB Output is correct
12 Correct 4 ms 3420 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 4 ms 3420 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 4 ms 3420 KB Output is correct
19 Correct 2 ms 2908 KB Output is correct
20 Correct 3 ms 3164 KB Output is correct
21 Correct 3 ms 3164 KB Output is correct
22 Correct 1 ms 2908 KB Output is correct
23 Correct 5 ms 3420 KB Output is correct
24 Correct 1 ms 2904 KB Output is correct
25 Correct 5 ms 3420 KB Output is correct
26 Correct 5 ms 3420 KB Output is correct
27 Correct 4 ms 3420 KB Output is correct
28 Correct 5 ms 3420 KB Output is correct
29 Correct 4 ms 3420 KB Output is correct
30 Correct 5 ms 3420 KB Output is correct
31 Correct 6 ms 3416 KB Output is correct
32 Correct 5 ms 3420 KB Output is correct
33 Correct 5 ms 3420 KB Output is correct
34 Correct 5 ms 3420 KB Output is correct
35 Correct 3 ms 3160 KB Output is correct
36 Correct 4 ms 3236 KB Output is correct
37 Correct 3 ms 3160 KB Output is correct
38 Correct 2 ms 3104 KB Output is correct
39 Correct 2 ms 3084 KB Output is correct
40 Correct 8 ms 3932 KB Output is correct
41 Correct 2 ms 2980 KB Output is correct
42 Correct 8 ms 4184 KB Output is correct
43 Correct 8 ms 3932 KB Output is correct
44 Correct 66 ms 4696 KB Output is correct
45 Correct 1 ms 2652 KB Output is correct
46 Correct 8 ms 3848 KB Output is correct
47 Correct 16 ms 4880 KB Output is correct
48 Correct 8 ms 3928 KB Output is correct
49 Correct 18 ms 4956 KB Output is correct
50 Correct 18 ms 4956 KB Output is correct
51 Correct 77 ms 7164 KB Output is correct
52 Correct 4 ms 3332 KB Output is correct
53 Correct 91 ms 7520 KB Output is correct
54 Correct 112 ms 7676 KB Output is correct
55 Correct 4 ms 3576 KB Output is correct
56 Correct 4 ms 3420 KB Output is correct
57 Correct 2 ms 2904 KB Output is correct
58 Correct 90 ms 7672 KB Output is correct
59 Correct 8 ms 3932 KB Output is correct
60 Correct 4 ms 3420 KB Output is correct
61 Correct 8 ms 3928 KB Output is correct
62 Correct 11 ms 4188 KB Output is correct
63 Correct 65 ms 4956 KB Output is correct
64 Correct 36 ms 4700 KB Output is correct
65 Correct 9 ms 3932 KB Output is correct
66 Correct 9 ms 3932 KB Output is correct
67 Correct 34 ms 5468 KB Output is correct
68 Correct 35 ms 4840 KB Output is correct
69 Correct 7 ms 3932 KB Output is correct
70 Correct 18 ms 4904 KB Output is correct
71 Correct 41 ms 5492 KB Output is correct
72 Correct 27 ms 5212 KB Output is correct
73 Correct 5 ms 3416 KB Output is correct
74 Correct 16 ms 4696 KB Output is correct
75 Correct 26 ms 5212 KB Output is correct
76 Correct 11 ms 4224 KB Output is correct
77 Correct 31 ms 5976 KB Output is correct
78 Correct 4 ms 3420 KB Output is correct
79 Correct 22 ms 4372 KB Output is correct
80 Correct 10 ms 4440 KB Output is correct
81 Correct 31 ms 5976 KB Output is correct
82 Correct 2 ms 2908 KB Output is correct
83 Correct 15 ms 4412 KB Output is correct
84 Correct 19 ms 5368 KB Output is correct
85 Correct 2 ms 2908 KB Output is correct
86 Incorrect 20 ms 5208 KB Output isn't correct
87 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 3416 KB Output is correct
4 Correct 4 ms 3420 KB Output is correct
5 Correct 4 ms 3420 KB Output is correct
6 Correct 5 ms 3420 KB Output is correct
7 Correct 4 ms 3420 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 2 ms 2904 KB Output is correct
11 Correct 4 ms 3420 KB Output is correct
12 Correct 4 ms 3420 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 4 ms 3420 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 4 ms 3420 KB Output is correct
19 Correct 2 ms 2908 KB Output is correct
20 Correct 3 ms 3164 KB Output is correct
21 Correct 3 ms 3164 KB Output is correct
22 Correct 1 ms 2908 KB Output is correct
23 Correct 5 ms 3420 KB Output is correct
24 Correct 1 ms 2904 KB Output is correct
25 Correct 5 ms 3420 KB Output is correct
26 Correct 5 ms 3420 KB Output is correct
27 Correct 4 ms 3420 KB Output is correct
28 Correct 5 ms 3420 KB Output is correct
29 Correct 4 ms 3420 KB Output is correct
30 Correct 5 ms 3420 KB Output is correct
31 Correct 6 ms 3416 KB Output is correct
32 Correct 5 ms 3420 KB Output is correct
33 Correct 5 ms 3420 KB Output is correct
34 Correct 5 ms 3420 KB Output is correct
35 Correct 3 ms 3160 KB Output is correct
36 Correct 4 ms 3236 KB Output is correct
37 Correct 3 ms 3160 KB Output is correct
38 Correct 2 ms 3104 KB Output is correct
39 Correct 2 ms 3084 KB Output is correct
40 Correct 8 ms 3932 KB Output is correct
41 Correct 2 ms 2980 KB Output is correct
42 Correct 8 ms 4184 KB Output is correct
43 Correct 8 ms 3932 KB Output is correct
44 Correct 1 ms 2648 KB Output is correct
45 Correct 185 ms 19188 KB Output is correct
46 Correct 60 ms 12120 KB Output is correct
47 Correct 173 ms 19028 KB Output is correct
48 Correct 186 ms 19044 KB Output is correct
49 Correct 45 ms 9816 KB Output is correct
50 Correct 153 ms 23892 KB Output is correct
51 Correct 161 ms 19036 KB Output is correct
52 Correct 40 ms 9676 KB Output is correct
53 Correct 50 ms 9812 KB Output is correct
54 Correct 10 ms 4952 KB Output is correct
55 Correct 177 ms 23916 KB Output is correct
56 Correct 23 ms 7260 KB Output is correct
57 Correct 41 ms 9820 KB Output is correct
58 Correct 54 ms 12124 KB Output is correct
59 Correct 32 ms 7608 KB Output is correct
60 Correct 23 ms 7256 KB Output is correct
61 Correct 58 ms 12116 KB Output is correct
62 Correct 39 ms 9816 KB Output is correct
63 Correct 95 ms 13136 KB Output is correct
64 Correct 23 ms 7260 KB Output is correct
65 Correct 121 ms 15712 KB Output is correct
66 Correct 39 ms 9820 KB Output is correct
67 Correct 89 ms 13148 KB Output is correct
68 Correct 122 ms 14928 KB Output is correct
69 Correct 139 ms 15628 KB Output is correct
70 Correct 39 ms 9820 KB Output is correct
71 Correct 158 ms 15136 KB Output is correct
72 Correct 94 ms 12956 KB Output is correct
73 Correct 136 ms 16956 KB Output is correct
74 Correct 37 ms 9816 KB Output is correct
75 Correct 44 ms 8540 KB Output is correct
76 Correct 74 ms 12952 KB Output is correct
77 Correct 124 ms 16976 KB Output is correct
78 Correct 53 ms 9996 KB Output is correct
79 Correct 49 ms 8524 KB Output is correct
80 Correct 19 ms 5468 KB Output is correct
81 Correct 55 ms 9996 KB Output is correct
82 Correct 91 ms 14524 KB Output is correct
83 Correct 18 ms 5468 KB Output is correct
84 Incorrect 88 ms 14396 KB Output isn't correct
85 Halted 0 ms 0 KB -