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답안 #186954

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
186954 2020-01-12T11:48:03 Z nicolaalexandra Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 443 ms 29080 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],mask[DIM];
int verif (int x, int y){
    if (L[x].find(y) != L[x].end())
        return 1;
    return 0;
}

void get_max_clique (int nod){
    el = 0;
    v[++el] = nod;
    for (auto vecin:L[nod])
        v[++el] = vecin;
   // cout<<el<<endl;
    for (int i=1;i<=el;i++)
        mask[i] = 0;
    for (int i=1;i<=el;i++)
        for (int j=1;j<=el;j++){
            if (i == j){
                mask[i] |= (1<<(i-1));
                continue;
            }
            if (verif(v[i],v[j]))
                mask[i] |= (1<<(j-1));
        }

    int val = (1<<el)-1;
    for (int i=0;i<=val;i++){
        int ok = 0;
        for (int bit=0;bit<el;bit++){
            if (!(i&(1<<bit))) /// nu face parte din masca
                continue;
            if ((mask[bit+1]&i) != i){ /// nu se potrivesc
                ok = 1;
                break;
            }
        }
        if (!ok)
            sol = max (sol,__builtin_popcount(i));
    }

}
int main (){

    FILE *fin = stdin;
    FILE *fout = stdout;

    fscanf (fin,"%d%d",&n,&k);
    for (i=1;i<=n;++i){
        fscanf (fin,"%d",&g[i]);
        for (j=1;j<=g[i];++j){
            fscanf (fin,"%d",&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();
    }
    fprintf(fout,"%d",sol);

    return 0;
}
/// din nou, nu sunt in stare sa citesc un enunt cum trb

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:53:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     fscanf (fin,"%d%d",&n,&k);
     ~~~~~~~^~~~~~~~~~~~~~~~~~
politicaldevelopment.cpp:55:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf (fin,"%d",&g[i]);
         ~~~~~~~^~~~~~~~~~~~~~~~
politicaldevelopment.cpp:57:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             fscanf (fin,"%d",&nod);
             ~~~~~~~^~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2756 KB Output is correct
2 Correct 3 ms 2560 KB Output is correct
3 Correct 9 ms 3320 KB Output is correct
4 Correct 9 ms 3320 KB Output is correct
5 Correct 10 ms 3248 KB Output is correct
6 Correct 10 ms 3320 KB Output is correct
7 Correct 8 ms 3320 KB Output is correct
8 Correct 10 ms 2808 KB Output is correct
9 Correct 0 ms 2680 KB Output is correct
10 Correct 5 ms 2808 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2756 KB Output is correct
2 Correct 3 ms 2560 KB Output is correct
3 Correct 9 ms 3320 KB Output is correct
4 Correct 9 ms 3320 KB Output is correct
5 Correct 10 ms 3248 KB Output is correct
6 Correct 10 ms 3320 KB Output is correct
7 Correct 8 ms 3320 KB Output is correct
8 Correct 10 ms 2808 KB Output is correct
9 Correct 0 ms 2680 KB Output is correct
10 Correct 5 ms 2808 KB Output is correct
11 Correct 9 ms 3320 KB Output is correct
12 Correct 10 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 12 ms 3320 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 10 ms 3320 KB Output is correct
17 Correct 2 ms 2680 KB Output is correct
18 Correct 10 ms 3212 KB Output is correct
19 Correct 5 ms 2780 KB Output is correct
20 Correct 8 ms 3064 KB Output is correct
21 Correct 8 ms 3064 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 6 ms 3420 KB Output is correct
24 Correct 5 ms 2812 KB Output is correct
25 Correct 13 ms 3492 KB Output is correct
26 Correct 10 ms 3328 KB Output is correct
27 Correct 9 ms 3244 KB Output is correct
28 Correct 10 ms 3320 KB Output is correct
29 Correct 9 ms 3320 KB Output is correct
30 Correct 13 ms 3448 KB Output is correct
31 Correct 12 ms 3428 KB Output is correct
32 Correct 12 ms 3576 KB Output is correct
33 Correct 7 ms 3500 KB Output is correct
34 Correct 11 ms 3448 KB Output is correct
35 Correct 8 ms 3036 KB Output is correct
36 Correct 8 ms 3064 KB Output is correct
37 Correct 7 ms 3064 KB Output is correct
38 Correct 8 ms 3016 KB Output is correct
39 Correct 7 ms 2928 KB Output is correct
40 Correct 16 ms 3960 KB Output is correct
41 Correct 7 ms 2936 KB Output is correct
42 Correct 16 ms 3960 KB Output is correct
43 Correct 15 ms 3832 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 2856 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 17 ms 2680 KB Output is correct
6 Correct 16 ms 2780 KB Output is correct
7 Correct 4 ms 2684 KB Output is correct
8 Correct 3 ms 2724 KB Output is correct
9 Correct 0 ms 2680 KB Output is correct
10 Correct 4 ms 2716 KB Output is correct
11 Correct 413 ms 28920 KB Output is correct
12 Correct 8 ms 2680 KB Output is correct
13 Correct 407 ms 28916 KB Output is correct
14 Correct 4 ms 2808 KB Output is correct
15 Correct 406 ms 28940 KB Output is correct
16 Correct 377 ms 29080 KB Output is correct
17 Correct 392 ms 28832 KB Output is correct
18 Correct 443 ms 28940 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2756 KB Output is correct
2 Correct 3 ms 2560 KB Output is correct
3 Correct 9 ms 3320 KB Output is correct
4 Correct 9 ms 3320 KB Output is correct
5 Correct 10 ms 3248 KB Output is correct
6 Correct 10 ms 3320 KB Output is correct
7 Correct 8 ms 3320 KB Output is correct
8 Correct 10 ms 2808 KB Output is correct
9 Correct 0 ms 2680 KB Output is correct
10 Correct 5 ms 2808 KB Output is correct
11 Correct 9 ms 3320 KB Output is correct
12 Correct 10 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 12 ms 3320 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 10 ms 3320 KB Output is correct
17 Correct 2 ms 2680 KB Output is correct
18 Correct 10 ms 3212 KB Output is correct
19 Correct 5 ms 2780 KB Output is correct
20 Correct 8 ms 3064 KB Output is correct
21 Correct 8 ms 3064 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 6 ms 3420 KB Output is correct
24 Correct 5 ms 2812 KB Output is correct
25 Correct 13 ms 3492 KB Output is correct
26 Correct 10 ms 3328 KB Output is correct
27 Correct 9 ms 3244 KB Output is correct
28 Correct 10 ms 3320 KB Output is correct
29 Correct 9 ms 3320 KB Output is correct
30 Correct 13 ms 3448 KB Output is correct
31 Correct 12 ms 3428 KB Output is correct
32 Correct 12 ms 3576 KB Output is correct
33 Correct 7 ms 3500 KB Output is correct
34 Correct 11 ms 3448 KB Output is correct
35 Correct 8 ms 3036 KB Output is correct
36 Correct 8 ms 3064 KB Output is correct
37 Correct 7 ms 3064 KB Output is correct
38 Correct 8 ms 3016 KB Output is correct
39 Correct 7 ms 2928 KB Output is correct
40 Correct 16 ms 3960 KB Output is correct
41 Correct 7 ms 2936 KB Output is correct
42 Correct 16 ms 3960 KB Output is correct
43 Correct 15 ms 3832 KB Output is correct
44 Correct 54 ms 4852 KB Output is correct
45 Correct 4 ms 2724 KB Output is correct
46 Correct 16 ms 3832 KB Output is correct
47 Correct 31 ms 5112 KB Output is correct
48 Correct 14 ms 3892 KB Output is correct
49 Correct 33 ms 5112 KB Output is correct
50 Correct 31 ms 5084 KB Output is correct
51 Correct 81 ms 7472 KB Output is correct
52 Correct 9 ms 3320 KB Output is correct
53 Correct 93 ms 7952 KB Output is correct
54 Correct 107 ms 7928 KB Output is correct
55 Correct 7 ms 3240 KB Output is correct
56 Correct 10 ms 3240 KB Output is correct
57 Correct 5 ms 2816 KB Output is correct
58 Correct 92 ms 7812 KB Output is correct
59 Correct 14 ms 3832 KB Output is correct
60 Correct 9 ms 3320 KB Output is correct
61 Correct 19 ms 3832 KB Output is correct
62 Correct 14 ms 3832 KB Output is correct
63 Correct 54 ms 4856 KB Output is correct
64 Correct 31 ms 4600 KB Output is correct
65 Correct 15 ms 3804 KB Output is correct
66 Correct 14 ms 3752 KB Output is correct
67 Correct 47 ms 5576 KB Output is correct
68 Correct 32 ms 4600 KB Output is correct
69 Correct 14 ms 3740 KB Output is correct
70 Correct 27 ms 4732 KB Output is correct
71 Correct 45 ms 5496 KB Output is correct
72 Correct 39 ms 5436 KB Output is correct
73 Correct 9 ms 3320 KB Output is correct
74 Correct 27 ms 4828 KB Output is correct
75 Correct 40 ms 5496 KB Output is correct
76 Correct 22 ms 4316 KB Output is correct
77 Correct 51 ms 6008 KB Output is correct
78 Correct 9 ms 3320 KB Output is correct
79 Correct 28 ms 4396 KB Output is correct
80 Correct 21 ms 4328 KB Output is correct
81 Correct 51 ms 6072 KB Output is correct
82 Correct 7 ms 2936 KB Output is correct
83 Correct 26 ms 4444 KB Output is correct
84 Correct 37 ms 5368 KB Output is correct
85 Correct 7 ms 2936 KB Output is correct
86 Correct 36 ms 5368 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2756 KB Output is correct
2 Correct 3 ms 2560 KB Output is correct
3 Correct 9 ms 3320 KB Output is correct
4 Correct 9 ms 3320 KB Output is correct
5 Correct 10 ms 3248 KB Output is correct
6 Correct 10 ms 3320 KB Output is correct
7 Correct 8 ms 3320 KB Output is correct
8 Correct 10 ms 2808 KB Output is correct
9 Correct 0 ms 2680 KB Output is correct
10 Correct 5 ms 2808 KB Output is correct
11 Correct 9 ms 3320 KB Output is correct
12 Correct 10 ms 3320 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 12 ms 3320 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 10 ms 3320 KB Output is correct
17 Correct 2 ms 2680 KB Output is correct
18 Correct 10 ms 3212 KB Output is correct
19 Correct 5 ms 2780 KB Output is correct
20 Correct 8 ms 3064 KB Output is correct
21 Correct 8 ms 3064 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 6 ms 3420 KB Output is correct
24 Correct 5 ms 2812 KB Output is correct
25 Correct 13 ms 3492 KB Output is correct
26 Correct 10 ms 3328 KB Output is correct
27 Correct 9 ms 3244 KB Output is correct
28 Correct 10 ms 3320 KB Output is correct
29 Correct 9 ms 3320 KB Output is correct
30 Correct 13 ms 3448 KB Output is correct
31 Correct 12 ms 3428 KB Output is correct
32 Correct 12 ms 3576 KB Output is correct
33 Correct 7 ms 3500 KB Output is correct
34 Correct 11 ms 3448 KB Output is correct
35 Correct 8 ms 3036 KB Output is correct
36 Correct 8 ms 3064 KB Output is correct
37 Correct 7 ms 3064 KB Output is correct
38 Correct 8 ms 3016 KB Output is correct
39 Correct 7 ms 2928 KB Output is correct
40 Correct 16 ms 3960 KB Output is correct
41 Correct 7 ms 2936 KB Output is correct
42 Correct 16 ms 3960 KB Output is correct
43 Correct 15 ms 3832 KB Output is correct
44 Correct 4 ms 2652 KB Output is correct
45 Correct 236 ms 21092 KB Output is correct
46 Correct 120 ms 11660 KB Output is correct
47 Correct 240 ms 21052 KB Output is correct
48 Correct 239 ms 21164 KB Output is correct
49 Correct 77 ms 8852 KB Output is correct
50 Correct 306 ms 26220 KB Output is correct
51 Correct 247 ms 21088 KB Output is correct
52 Correct 70 ms 8816 KB Output is correct
53 Correct 93 ms 8892 KB Output is correct
54 Correct 22 ms 3696 KB Output is correct
55 Correct 325 ms 26204 KB Output is correct
56 Correct 47 ms 6228 KB Output is correct
57 Correct 72 ms 8912 KB Output is correct
58 Correct 92 ms 11500 KB Output is correct
59 Correct 41 ms 6256 KB Output is correct
60 Correct 41 ms 6256 KB Output is correct
61 Correct 93 ms 11544 KB Output is correct
62 Correct 72 ms 8712 KB Output is correct
63 Correct 132 ms 13444 KB Output is correct
64 Correct 41 ms 6256 KB Output is correct
65 Correct 171 ms 16244 KB Output is correct
66 Correct 65 ms 8816 KB Output is correct
67 Correct 132 ms 13396 KB Output is correct
68 Correct 160 ms 15356 KB Output is correct
69 Correct 136 ms 16024 KB Output is correct
70 Correct 73 ms 8816 KB Output is correct
71 Correct 163 ms 15472 KB Output is correct
72 Correct 152 ms 13000 KB Output is correct
73 Correct 191 ms 17776 KB Output is correct
74 Correct 70 ms 8816 KB Output is correct
75 Correct 70 ms 8564 KB Output is correct
76 Correct 146 ms 12964 KB Output is correct
77 Correct 189 ms 17796 KB Output is correct
78 Correct 94 ms 10252 KB Output is correct
79 Correct 70 ms 8536 KB Output is correct
80 Correct 34 ms 5652 KB Output is correct
81 Correct 90 ms 10264 KB Output is correct
82 Correct 138 ms 14828 KB Output is correct
83 Correct 36 ms 5596 KB Output is correct
84 Correct 140 ms 14704 KB Output is correct