oj.uz

Submission #770559

# Submission time Handle Problem Language Result Execution time Memory
770559 2023-07-01T13:17:30 Z suvink Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 276 ms 28976 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 5e4 + 10;
const int INF = 0x3f3f3f3f;
set<pair<int, int> > verts;
array<set<int>, MAXN> grafo;
vector<int> active;
int grau[MAXN];
int resp = 0;
 
void bt(set<int>::iterator it, int v)
{
    if (it == grafo[v].end())
    {
        resp = max(resp, (int)active.size()+1);
        return;
    }
    // cerr << *it << '\n';
 
    auto aux = it;
    bt(++aux, v);
    for (auto viz : active) if (grafo[*it].find(viz) == grafo[*it].end()) return;
    active.push_back(*it);
    aux = it;
    bt(++aux, v);
    active.pop_back();
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N, K;
    cin >> N >> K;
    for (int i = 0; i < N; i++)
    {
        cin >> grau[i];
        for (int j = 0; j < grau[i]; j++)
        {
            int X;
            cin >> X;
            grafo[i].insert(X);
        }
        verts.emplace(grau[i], i);
    }
 
    while (!verts.empty())
    {
        // for (auto [g, id] : verts) cerr << "||" << g << " " << id << " ";
        // cerr << '\n';
        int cur = verts.begin()->second; verts.erase(verts.begin());
 
        bt(grafo[cur].begin(), cur);
 
        for (auto viz : grafo[cur])
        {
            grafo[viz].erase(cur);
            verts.erase(make_pair(grau[viz], viz));
            grau[viz]--;
            verts.emplace(grau[viz], viz);
        }
        grafo[cur].clear(); grau[cur] = INF;
    }
    cout << resp << '\n';
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 5 ms 3412 KB Output is correct
4 Correct 5 ms 3412 KB Output is correct
5 Correct 4 ms 3412 KB Output is correct
6 Correct 5 ms 3412 KB Output is correct
7 Correct 5 ms 3452 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2668 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 5 ms 3412 KB Output is correct
4 Correct 5 ms 3412 KB Output is correct
5 Correct 4 ms 3412 KB Output is correct
6 Correct 5 ms 3412 KB Output is correct
7 Correct 5 ms 3452 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2668 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 4 ms 3412 KB Output is correct
12 Correct 4 ms 3452 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 5 ms 3452 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3460 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 5 ms 3452 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 3 ms 3156 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 5 ms 3456 KB Output is correct
24 Correct 2 ms 2940 KB Output is correct
25 Correct 5 ms 3540 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 4 ms 3436 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 5 ms 3452 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3624 KB Output is correct
32 Correct 6 ms 3620 KB Output is correct
33 Correct 6 ms 3540 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3068 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 3 ms 3028 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3980 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3924 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2940 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2672 KB Output is correct
4 Correct 2 ms 2676 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 255 ms 28864 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 256 ms 28976 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 266 ms 28972 KB Output is correct
16 Correct 273 ms 28968 KB Output is correct
17 Correct 276 ms 28868 KB Output is correct
18 Correct 264 ms 28896 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 5 ms 3412 KB Output is correct
4 Correct 5 ms 3412 KB Output is correct
5 Correct 4 ms 3412 KB Output is correct
6 Correct 5 ms 3412 KB Output is correct
7 Correct 5 ms 3452 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2668 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 4 ms 3412 KB Output is correct
12 Correct 4 ms 3452 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 5 ms 3452 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3460 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 5 ms 3452 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 3 ms 3156 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 5 ms 3456 KB Output is correct
24 Correct 2 ms 2940 KB Output is correct
25 Correct 5 ms 3540 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 4 ms 3436 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 5 ms 3452 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3624 KB Output is correct
32 Correct 6 ms 3620 KB Output is correct
33 Correct 6 ms 3540 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3068 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 3 ms 3028 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3980 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3924 KB Output is correct
44 Correct 23 ms 4948 KB Output is correct
45 Correct 1 ms 2672 KB Output is correct
46 Correct 8 ms 3924 KB Output is correct
47 Correct 15 ms 5000 KB Output is correct
48 Correct 8 ms 3964 KB Output is correct
49 Correct 15 ms 4884 KB Output is correct
50 Correct 15 ms 4868 KB Output is correct
51 Correct 33 ms 6996 KB Output is correct
52 Correct 4 ms 3412 KB Output is correct
53 Correct 25 ms 7464 KB Output is correct
54 Correct 48 ms 7516 KB Output is correct
55 Correct 5 ms 3412 KB Output is correct
56 Correct 4 ms 3412 KB Output is correct
57 Correct 2 ms 2900 KB Output is correct
58 Correct 30 ms 7636 KB Output is correct
59 Correct 7 ms 3924 KB Output is correct
60 Correct 5 ms 3412 KB Output is correct
61 Correct 7 ms 3924 KB Output is correct
62 Correct 6 ms 3972 KB Output is correct
63 Correct 26 ms 5004 KB Output is correct
64 Correct 16 ms 4692 KB Output is correct
65 Correct 7 ms 3796 KB Output is correct
66 Correct 6 ms 3964 KB Output is correct
67 Correct 21 ms 5332 KB Output is correct
68 Correct 19 ms 4680 KB Output is correct
69 Correct 7 ms 3796 KB Output is correct
70 Correct 14 ms 4792 KB Output is correct
71 Correct 21 ms 5352 KB Output is correct
72 Correct 19 ms 5316 KB Output is correct
73 Correct 4 ms 3412 KB Output is correct
74 Correct 15 ms 4820 KB Output is correct
75 Correct 19 ms 5240 KB Output is correct
76 Correct 10 ms 4224 KB Output is correct
77 Correct 23 ms 5856 KB Output is correct
78 Correct 4 ms 3392 KB Output is correct
79 Correct 12 ms 4180 KB Output is correct
80 Correct 10 ms 4224 KB Output is correct
81 Correct 23 ms 5900 KB Output is correct
82 Correct 3 ms 2944 KB Output is correct
83 Correct 12 ms 4184 KB Output is correct
84 Correct 17 ms 5264 KB Output is correct
85 Correct 3 ms 2900 KB Output is correct
86 Correct 17 ms 5268 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 5 ms 3412 KB Output is correct
4 Correct 5 ms 3412 KB Output is correct
5 Correct 4 ms 3412 KB Output is correct
6 Correct 5 ms 3412 KB Output is correct
7 Correct 5 ms 3452 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2668 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 4 ms 3412 KB Output is correct
12 Correct 4 ms 3452 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 5 ms 3452 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 5 ms 3460 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 5 ms 3452 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 3 ms 3156 KB Output is correct
22 Correct 2 ms 2900 KB Output is correct
23 Correct 5 ms 3456 KB Output is correct
24 Correct 2 ms 2940 KB Output is correct
25 Correct 5 ms 3540 KB Output is correct
26 Correct 5 ms 3412 KB Output is correct
27 Correct 4 ms 3436 KB Output is correct
28 Correct 5 ms 3412 KB Output is correct
29 Correct 5 ms 3452 KB Output is correct
30 Correct 5 ms 3540 KB Output is correct
31 Correct 5 ms 3624 KB Output is correct
32 Correct 6 ms 3620 KB Output is correct
33 Correct 6 ms 3540 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3068 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 3 ms 3028 KB Output is correct
38 Correct 3 ms 2900 KB Output is correct
39 Correct 3 ms 2900 KB Output is correct
40 Correct 8 ms 3980 KB Output is correct
41 Correct 3 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3924 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 194 ms 21012 KB Output is correct
46 Correct 58 ms 13132 KB Output is correct
47 Correct 160 ms 21068 KB Output is correct
48 Correct 190 ms 21000 KB Output is correct
49 Correct 41 ms 10496 KB Output is correct
50 Correct 132 ms 26296 KB Output is correct
51 Correct 162 ms 20948 KB Output is correct
52 Correct 39 ms 10544 KB Output is correct
53 Correct 42 ms 10500 KB Output is correct
54 Correct 11 ms 5204 KB Output is correct
55 Correct 150 ms 26280 KB Output is correct
56 Correct 24 ms 7828 KB Output is correct
57 Correct 54 ms 10476 KB Output is correct
58 Correct 48 ms 13196 KB Output is correct
59 Correct 23 ms 7892 KB Output is correct
60 Correct 26 ms 7892 KB Output is correct
61 Correct 48 ms 13132 KB Output is correct
62 Correct 35 ms 10576 KB Output is correct
63 Correct 115 ms 14388 KB Output is correct
64 Correct 23 ms 7884 KB Output is correct
65 Correct 114 ms 17100 KB Output is correct
66 Correct 36 ms 10560 KB Output is correct
67 Correct 80 ms 14504 KB Output is correct
68 Correct 102 ms 16460 KB Output is correct
69 Correct 135 ms 17180 KB Output is correct
70 Correct 39 ms 10564 KB Output is correct
71 Correct 104 ms 16504 KB Output is correct
72 Correct 79 ms 14072 KB Output is correct
73 Correct 123 ms 18700 KB Output is correct
74 Correct 40 ms 10560 KB Output is correct
75 Correct 49 ms 9080 KB Output is correct
76 Correct 71 ms 14076 KB Output is correct
77 Correct 153 ms 18820 KB Output is correct
78 Correct 52 ms 10720 KB Output is correct
79 Correct 52 ms 8964 KB Output is correct
80 Correct 20 ms 5868 KB Output is correct
81 Correct 55 ms 10720 KB Output is correct
82 Correct 86 ms 15820 KB Output is correct
83 Correct 18 ms 5844 KB Output is correct
84 Correct 115 ms 15736 KB Output is correct