oj.uz

Submission #762843

# Submission time Handle Problem Language Result Execution time Memory
762843 2023-06-21T21:02:39 Z ThegeekKnight16 Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 314 ms 29000 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 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3408 KB Output is correct
4 Correct 4 ms 3412 KB Output is correct
5 Correct 5 ms 3404 KB Output is correct
6 Correct 5 ms 3348 KB Output is correct
7 Correct 5 ms 3412 KB Output is correct
8 Correct 2 ms 2936 KB Output is correct
9 Correct 1 ms 2572 KB Output is correct
10 Correct 3 ms 2900 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3408 KB Output is correct
4 Correct 4 ms 3412 KB Output is correct
5 Correct 5 ms 3404 KB Output is correct
6 Correct 5 ms 3348 KB Output is correct
7 Correct 5 ms 3412 KB Output is correct
8 Correct 2 ms 2936 KB Output is correct
9 Correct 1 ms 2572 KB Output is correct
10 Correct 3 ms 2900 KB Output is correct
11 Correct 5 ms 3412 KB Output is correct
12 Correct 6 ms 3412 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3360 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3412 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3412 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 4 ms 3200 KB Output is correct
22 Correct 3 ms 2900 KB Output is correct
23 Correct 6 ms 3540 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 6 ms 3540 KB Output is correct
26 Correct 5 ms 3460 KB Output is correct
27 Correct 4 ms 3412 KB Output is correct
28 Correct 5 ms 3452 KB Output is correct
29 Correct 4 ms 3412 KB Output is correct
30 Correct 6 ms 3540 KB Output is correct
31 Correct 5 ms 3584 KB Output is correct
32 Correct 6 ms 3632 KB Output is correct
33 Correct 8 ms 3668 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 4 ms 2948 KB Output is correct
40 Correct 10 ms 3924 KB Output is correct
41 Correct 4 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3968 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2900 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 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 2680 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 282 ms 28972 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 291 ms 29000 KB Output is correct
14 Correct 2 ms 2672 KB Output is correct
15 Correct 261 ms 28876 KB Output is correct
16 Correct 291 ms 28876 KB Output is correct
17 Correct 314 ms 28960 KB Output is correct
18 Correct 276 ms 28976 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3408 KB Output is correct
4 Correct 4 ms 3412 KB Output is correct
5 Correct 5 ms 3404 KB Output is correct
6 Correct 5 ms 3348 KB Output is correct
7 Correct 5 ms 3412 KB Output is correct
8 Correct 2 ms 2936 KB Output is correct
9 Correct 1 ms 2572 KB Output is correct
10 Correct 3 ms 2900 KB Output is correct
11 Correct 5 ms 3412 KB Output is correct
12 Correct 6 ms 3412 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3360 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3412 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3412 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 4 ms 3200 KB Output is correct
22 Correct 3 ms 2900 KB Output is correct
23 Correct 6 ms 3540 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 6 ms 3540 KB Output is correct
26 Correct 5 ms 3460 KB Output is correct
27 Correct 4 ms 3412 KB Output is correct
28 Correct 5 ms 3452 KB Output is correct
29 Correct 4 ms 3412 KB Output is correct
30 Correct 6 ms 3540 KB Output is correct
31 Correct 5 ms 3584 KB Output is correct
32 Correct 6 ms 3632 KB Output is correct
33 Correct 8 ms 3668 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 4 ms 2948 KB Output is correct
40 Correct 10 ms 3924 KB Output is correct
41 Correct 4 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3968 KB Output is correct
44 Correct 24 ms 4948 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 9 ms 3968 KB Output is correct
47 Correct 16 ms 5000 KB Output is correct
48 Correct 11 ms 3964 KB Output is correct
49 Correct 15 ms 4884 KB Output is correct
50 Correct 16 ms 4948 KB Output is correct
51 Correct 33 ms 6996 KB Output is correct
52 Correct 5 ms 3332 KB Output is correct
53 Correct 27 ms 7508 KB Output is correct
54 Correct 43 ms 7508 KB Output is correct
55 Correct 5 ms 3452 KB Output is correct
56 Correct 5 ms 3540 KB Output is correct
57 Correct 2 ms 2900 KB Output is correct
58 Correct 25 ms 7508 KB Output is correct
59 Correct 6 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 8 ms 3964 KB Output is correct
63 Correct 23 ms 5008 KB Output is correct
64 Correct 15 ms 4692 KB Output is correct
65 Correct 7 ms 3796 KB Output is correct
66 Correct 6 ms 3924 KB Output is correct
67 Correct 21 ms 5344 KB Output is correct
68 Correct 15 ms 4748 KB Output is correct
69 Correct 7 ms 3796 KB Output is correct
70 Correct 15 ms 4712 KB Output is correct
71 Correct 21 ms 5396 KB Output is correct
72 Correct 19 ms 5196 KB Output is correct
73 Correct 4 ms 3460 KB Output is correct
74 Correct 16 ms 4820 KB Output is correct
75 Correct 20 ms 5244 KB Output is correct
76 Correct 10 ms 4220 KB Output is correct
77 Correct 23 ms 5876 KB Output is correct
78 Correct 5 ms 3348 KB Output is correct
79 Correct 12 ms 4280 KB Output is correct
80 Correct 10 ms 4308 KB Output is correct
81 Correct 23 ms 5844 KB Output is correct
82 Correct 3 ms 2940 KB Output is correct
83 Correct 12 ms 4180 KB Output is correct
84 Correct 17 ms 5248 KB Output is correct
85 Correct 3 ms 2904 KB Output is correct
86 Correct 17 ms 5156 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 5 ms 3408 KB Output is correct
4 Correct 4 ms 3412 KB Output is correct
5 Correct 5 ms 3404 KB Output is correct
6 Correct 5 ms 3348 KB Output is correct
7 Correct 5 ms 3412 KB Output is correct
8 Correct 2 ms 2936 KB Output is correct
9 Correct 1 ms 2572 KB Output is correct
10 Correct 3 ms 2900 KB Output is correct
11 Correct 5 ms 3412 KB Output is correct
12 Correct 6 ms 3412 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 5 ms 3360 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 5 ms 3412 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 6 ms 3412 KB Output is correct
19 Correct 2 ms 2900 KB Output is correct
20 Correct 3 ms 3156 KB Output is correct
21 Correct 4 ms 3200 KB Output is correct
22 Correct 3 ms 2900 KB Output is correct
23 Correct 6 ms 3540 KB Output is correct
24 Correct 2 ms 2900 KB Output is correct
25 Correct 6 ms 3540 KB Output is correct
26 Correct 5 ms 3460 KB Output is correct
27 Correct 4 ms 3412 KB Output is correct
28 Correct 5 ms 3452 KB Output is correct
29 Correct 4 ms 3412 KB Output is correct
30 Correct 6 ms 3540 KB Output is correct
31 Correct 5 ms 3584 KB Output is correct
32 Correct 6 ms 3632 KB Output is correct
33 Correct 8 ms 3668 KB Output is correct
34 Correct 5 ms 3540 KB Output is correct
35 Correct 3 ms 3028 KB Output is correct
36 Correct 3 ms 3028 KB Output is correct
37 Correct 4 ms 3028 KB Output is correct
38 Correct 4 ms 2900 KB Output is correct
39 Correct 4 ms 2948 KB Output is correct
40 Correct 10 ms 3924 KB Output is correct
41 Correct 4 ms 2900 KB Output is correct
42 Correct 8 ms 3924 KB Output is correct
43 Correct 8 ms 3968 KB Output is correct
44 Correct 1 ms 2644 KB Output is correct
45 Correct 186 ms 21112 KB Output is correct
46 Correct 57 ms 13172 KB Output is correct
47 Correct 174 ms 21112 KB Output is correct
48 Correct 166 ms 21068 KB Output is correct
49 Correct 42 ms 10532 KB Output is correct
50 Correct 139 ms 26340 KB Output is correct
51 Correct 162 ms 21060 KB Output is correct
52 Correct 45 ms 10496 KB Output is correct
53 Correct 41 ms 10520 KB Output is correct
54 Correct 11 ms 5276 KB Output is correct
55 Correct 146 ms 26456 KB Output is correct
56 Correct 24 ms 7888 KB Output is correct
57 Correct 42 ms 10488 KB Output is correct
58 Correct 48 ms 13092 KB Output is correct
59 Correct 23 ms 7892 KB Output is correct
60 Correct 24 ms 7816 KB Output is correct
61 Correct 49 ms 13188 KB Output is correct
62 Correct 35 ms 10452 KB Output is correct
63 Correct 82 ms 14504 KB Output is correct
64 Correct 25 ms 7948 KB Output is correct
65 Correct 112 ms 17156 KB Output is correct
66 Correct 35 ms 10580 KB Output is correct
67 Correct 85 ms 14388 KB Output is correct
68 Correct 103 ms 16464 KB Output is correct
69 Correct 120 ms 17100 KB Output is correct
70 Correct 53 ms 10472 KB Output is correct
71 Correct 106 ms 16504 KB Output is correct
72 Correct 69 ms 14076 KB Output is correct
73 Correct 138 ms 18764 KB Output is correct
74 Correct 39 ms 10444 KB Output is correct
75 Correct 38 ms 9024 KB Output is correct
76 Correct 72 ms 14028 KB Output is correct
77 Correct 124 ms 18832 KB Output is correct
78 Correct 52 ms 10700 KB Output is correct
79 Correct 38 ms 9084 KB Output is correct
80 Correct 19 ms 5844 KB Output is correct
81 Correct 63 ms 10716 KB Output is correct
82 Correct 89 ms 15816 KB Output is correct
83 Correct 18 ms 5844 KB Output is correct
84 Correct 86 ms 15820 KB Output is correct