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Submission #185473

# Submission time Handle Problem Language Result Execution time Memory
185473 2020-01-11T21:39:29 Z nicolaalexandra Political Development (BOI17_politicaldevelopment) C++14
77 / 100
 3000 ms 25360 KB 
#include <bits/stdc++.h>
#define DIM 50010
using namespace std;
priority_queue <pair<int,int>, vector <pair<int,int> >, greater<pair<int,int> > > H;
set <int> L[DIM];
int n,k,i,j,sol,el,nod;
int v[DIM],x[DIM],viz[DIM],f[DIM],g[DIM];
int verif (int pas, int nod){
    for (int i=1;i<pas;i++){
        int vecin = x[i];
        if (L[nod].find(vecin) == L[nod].end())
            return 0;
        if (L[vecin].find(nod) == L[vecin].end())
            return 0;
    }
    return 1;
}
void back (int pas){
    sol = max (sol,pas-1);
    if (pas >= k)
        return;
    for (int i=1;i<=el;i++){
        if (!f[i] && v[i] > x[pas-1] && verif(pas,v[i])){
            x[pas] = v[i];
            f[i] = 1;
            back(pas+1);
            f[i] = 0;
        }
    }
}
void get_max_clique (int nod){
    el = 0;
    for (auto vecin:L[nod])
        v[++el] = vecin;
    sort (v+1,v+el+1);
    back (1);
}
int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n>>k;
    for (i=1;i<=n;i++){
        cin>>g[i];
        for (j=1;j<=g[i];j++){
            cin>>nod;
            L[i].insert(nod+1);
        }
        H.push (make_pair(g[i],i));
    }
    while (!H.empty()){
        int nod = H.top().second;
        int grad = H.top().first;
        H.pop();
        if (grad != g[nod]) /// inseamna ca nu e ala cu gradul minim
            continue;
        /// vreau sa gasesc clica maxima din care poate face parte nod
        get_max_clique (nod);
        viz[nod] = 1;
        /// acum il elimin pe nod si toate muchiile
        for (auto vecin:L[nod]){
            if (viz[vecin])
                continue;
            /// nu am incercat sa obtin clica de aici deloc
            viz[vecin] = 1;
            g[vecin]--;
            L[vecin].erase(L[vecin].find(nod));
            H.push(make_pair(g[vecin],vecin));

        }
        L[nod].clear();
    }
    cout<<sol+1;

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 14 ms 3192 KB Output is correct
4 Correct 13 ms 3320 KB Output is correct
5 Correct 13 ms 3320 KB Output is correct
6 Correct 12 ms 3192 KB Output is correct
7 Correct 12 ms 3192 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 6 ms 2808 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 14 ms 3192 KB Output is correct
4 Correct 13 ms 3320 KB Output is correct
5 Correct 13 ms 3320 KB Output is correct
6 Correct 12 ms 3192 KB Output is correct
7 Correct 12 ms 3192 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 6 ms 2808 KB Output is correct
11 Correct 13 ms 3192 KB Output is correct
12 Correct 93 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 94 ms 3424 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 14 ms 3192 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 13 ms 3192 KB Output is correct
19 Correct 6 ms 2808 KB Output is correct
20 Correct 9 ms 2940 KB Output is correct
21 Correct 9 ms 2936 KB Output is correct
22 Correct 6 ms 2808 KB Output is correct
23 Correct 15 ms 3320 KB Output is correct
24 Correct 6 ms 2808 KB Output is correct
25 Correct 15 ms 3320 KB Output is correct
26 Correct 14 ms 3320 KB Output is correct
27 Correct 13 ms 3192 KB Output is correct
28 Correct 14 ms 3320 KB Output is correct
29 Correct 13 ms 3192 KB Output is correct
30 Correct 33 ms 3320 KB Output is correct
31 Correct 15 ms 3320 KB Output is correct
32 Correct 33 ms 3320 KB Output is correct
33 Correct 16 ms 3332 KB Output is correct
34 Correct 15 ms 3320 KB Output is correct
35 Correct 9 ms 3192 KB Output is correct
36 Correct 9 ms 3064 KB Output is correct
37 Correct 9 ms 3064 KB Output is correct
38 Correct 7 ms 2936 KB Output is correct
39 Correct 8 ms 2936 KB Output is correct
40 Correct 20 ms 3704 KB Output is correct
41 Correct 8 ms 2936 KB Output is correct
42 Correct 21 ms 3676 KB Output is correct
43 Correct 21 ms 3704 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2808 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 504 ms 25200 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 450 ms 25200 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 510 ms 25304 KB Output is correct
16 Correct 447 ms 25360 KB Output is correct
17 Correct 448 ms 25316 KB Output is correct
18 Correct 451 ms 25328 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 14 ms 3192 KB Output is correct
4 Correct 13 ms 3320 KB Output is correct
5 Correct 13 ms 3320 KB Output is correct
6 Correct 12 ms 3192 KB Output is correct
7 Correct 12 ms 3192 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 6 ms 2808 KB Output is correct
11 Correct 13 ms 3192 KB Output is correct
12 Correct 93 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 94 ms 3424 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 14 ms 3192 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 13 ms 3192 KB Output is correct
19 Correct 6 ms 2808 KB Output is correct
20 Correct 9 ms 2940 KB Output is correct
21 Correct 9 ms 2936 KB Output is correct
22 Correct 6 ms 2808 KB Output is correct
23 Correct 15 ms 3320 KB Output is correct
24 Correct 6 ms 2808 KB Output is correct
25 Correct 15 ms 3320 KB Output is correct
26 Correct 14 ms 3320 KB Output is correct
27 Correct 13 ms 3192 KB Output is correct
28 Correct 14 ms 3320 KB Output is correct
29 Correct 13 ms 3192 KB Output is correct
30 Correct 33 ms 3320 KB Output is correct
31 Correct 15 ms 3320 KB Output is correct
32 Correct 33 ms 3320 KB Output is correct
33 Correct 16 ms 3332 KB Output is correct
34 Correct 15 ms 3320 KB Output is correct
35 Correct 9 ms 3192 KB Output is correct
36 Correct 9 ms 3064 KB Output is correct
37 Correct 9 ms 3064 KB Output is correct
38 Correct 7 ms 2936 KB Output is correct
39 Correct 8 ms 2936 KB Output is correct
40 Correct 20 ms 3704 KB Output is correct
41 Correct 8 ms 2936 KB Output is correct
42 Correct 21 ms 3676 KB Output is correct
43 Correct 21 ms 3704 KB Output is correct
44 Correct 67 ms 4728 KB Output is correct
45 Correct 4 ms 2680 KB Output is correct
46 Correct 21 ms 3704 KB Output is correct
47 Correct 39 ms 4600 KB Output is correct
48 Correct 21 ms 3832 KB Output is correct
49 Correct 44 ms 4856 KB Output is correct
50 Correct 41 ms 4732 KB Output is correct
51 Correct 91 ms 7032 KB Output is correct
52 Correct 13 ms 3336 KB Output is correct
53 Correct 794 ms 7600 KB Output is correct
54 Correct 111 ms 7416 KB Output is correct
55 Correct 15 ms 3320 KB Output is correct
56 Correct 13 ms 3324 KB Output is correct
57 Correct 6 ms 2808 KB Output is correct
58 Correct 789 ms 7672 KB Output is correct
59 Correct 20 ms 3752 KB Output is correct
60 Correct 11 ms 3320 KB Output is correct
61 Correct 22 ms 3848 KB Output is correct
62 Correct 20 ms 3832 KB Output is correct
63 Correct 66 ms 4856 KB Output is correct
64 Correct 46 ms 4516 KB Output is correct
65 Correct 19 ms 3708 KB Output is correct
66 Correct 20 ms 3832 KB Output is correct
67 Correct 58 ms 5240 KB Output is correct
68 Correct 46 ms 4600 KB Output is correct
69 Correct 19 ms 3664 KB Output is correct
70 Correct 36 ms 4600 KB Output is correct
71 Correct 57 ms 5240 KB Output is correct
72 Correct 51 ms 5240 KB Output is correct
73 Correct 13 ms 3320 KB Output is correct
74 Correct 36 ms 4728 KB Output is correct
75 Correct 50 ms 5240 KB Output is correct
76 Correct 45 ms 4216 KB Output is correct
77 Correct 56 ms 5752 KB Output is correct
78 Correct 13 ms 3320 KB Output is correct
79 Correct 27 ms 4216 KB Output is correct
80 Correct 44 ms 4088 KB Output is correct
81 Correct 53 ms 5752 KB Output is correct
82 Correct 8 ms 2936 KB Output is correct
83 Correct 31 ms 4216 KB Output is correct
84 Correct 41 ms 5160 KB Output is correct
85 Correct 8 ms 2940 KB Output is correct
86 Correct 42 ms 5240 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 14 ms 3192 KB Output is correct
4 Correct 13 ms 3320 KB Output is correct
5 Correct 13 ms 3320 KB Output is correct
6 Correct 12 ms 3192 KB Output is correct
7 Correct 12 ms 3192 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 6 ms 2808 KB Output is correct
11 Correct 13 ms 3192 KB Output is correct
12 Correct 93 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 94 ms 3424 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 14 ms 3192 KB Output is correct
17 Correct 4 ms 2680 KB Output is correct
18 Correct 13 ms 3192 KB Output is correct
19 Correct 6 ms 2808 KB Output is correct
20 Correct 9 ms 2940 KB Output is correct
21 Correct 9 ms 2936 KB Output is correct
22 Correct 6 ms 2808 KB Output is correct
23 Correct 15 ms 3320 KB Output is correct
24 Correct 6 ms 2808 KB Output is correct
25 Correct 15 ms 3320 KB Output is correct
26 Correct 14 ms 3320 KB Output is correct
27 Correct 13 ms 3192 KB Output is correct
28 Correct 14 ms 3320 KB Output is correct
29 Correct 13 ms 3192 KB Output is correct
30 Correct 33 ms 3320 KB Output is correct
31 Correct 15 ms 3320 KB Output is correct
32 Correct 33 ms 3320 KB Output is correct
33 Correct 16 ms 3332 KB Output is correct
34 Correct 15 ms 3320 KB Output is correct
35 Correct 9 ms 3192 KB Output is correct
36 Correct 9 ms 3064 KB Output is correct
37 Correct 9 ms 3064 KB Output is correct
38 Correct 7 ms 2936 KB Output is correct
39 Correct 8 ms 2936 KB Output is correct
40 Correct 20 ms 3704 KB Output is correct
41 Correct 8 ms 2936 KB Output is correct
42 Correct 21 ms 3676 KB Output is correct
43 Correct 21 ms 3704 KB Output is correct
44 Correct 4 ms 2680 KB Output is correct
45 Correct 314 ms 17668 KB Output is correct
46 Correct 2139 ms 11892 KB Output is correct
47 Correct 318 ms 19700 KB Output is correct
48 Correct 317 ms 19440 KB Output is correct
49 Correct 111 ms 9200 KB Output is correct
50 Execution timed out 3068 ms 24992 KB Time limit exceeded
51 Halted 0 ms 0 KB -