oj.uz

답안 #851173

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
851173 2023-09-18T18:03:30 Z kderylo Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 659 ms 38224 KB 
#include <iostream>
#include <set>
#include <vector>
using namespace std;
const int stala=5e4+10;
const int st=(1<<12);
vector<int>w[stala];
vector<int>odw_w[stala];
int deg[stala];
set<pair<int,int> >s;
set<pair<int,int> >krawedzie;
vector<int>pom;
int tab[st];
int number_of_bits(int ile,int dl)
{
    int wyn=0;
    for(int i=0;i<dl;i++){
        if((ile&(1<<i))>0){
            wyn++;
        }
    }
    return wyn;
}
int find_subset()
{
    int dl=(int)pom.size();
    int wyn=0;
    for(int i=0;i<dl;i++){
        tab[(1<<i)]=1;
        for(int j=i+1;j<dl;j++){
            int x=((1<<i)|(1<<j));
            if(krawedzie.find({pom[i],pom[j]})!=krawedzie.end()&&krawedzie.find({pom[j],pom[i]})!=krawedzie.end()){
                tab[x]=1;
            }
        }
    }
    for(int i=1;i<(1<<dl);i++){
        if(tab[i]!=1&&number_of_bits(i,dl)>2){
            tab[i]=1;
            for(int j=0;j<dl;j++){
                if((i&(1<<j))>0){
                    tab[i]&=(tab[i-(1<<j)]);
                }
            }
        }
        if(tab[i]==1){
            wyn=max(wyn,number_of_bits(i,dl));
        }
    }
    for(int i=0;i<(1<<dl);i++){
        tab[i]=0;
    }
    return wyn;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int ile,k;
    cin>>ile>>k;
    for(int i=0;i<ile;i++){
        int il;
        cin>>il;
        for(int j=0;j<il;j++){
            int a;
            cin>>a;
            deg[i]++;
            w[i].push_back(a);
            odw_w[a].push_back(i);
            krawedzie.insert({i,a});
        }
    }
    int wyn=0;
    for(int i=0;i<ile;i++){
        s.insert({deg[i],i});
    }
    for(int i=0;i<ile;i++){
        int x=s.begin()->second;
        deg[x]=-1;
        s.erase(s.begin());
        for(int j=0;j<(int)odw_w[x].size();j++){
            if(deg[odw_w[x][j]]!=-1){
            	int wie=odw_w[x][j];
            	int de=deg[wie];
            	deg[wie]--;
            	s.erase({de,wie});
            	de--;
            	s.insert({de,wie});
            }
        }
        pom.clear();
        pom.push_back(x);
        for(int j=0;j<(int)w[x].size();j++){
            if(deg[w[x][j]]!=-1){
                pom.push_back(w[x][j]);
            }
        }
        wyn=max(wyn,find_subset());
    }
    cout<<wyn;
 
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 7 ms 3676 KB Output is correct
4 Correct 7 ms 3932 KB Output is correct
5 Correct 5 ms 3932 KB Output is correct
6 Correct 6 ms 3932 KB Output is correct
7 Correct 6 ms 3932 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 7 ms 3676 KB Output is correct
4 Correct 7 ms 3932 KB Output is correct
5 Correct 5 ms 3932 KB Output is correct
6 Correct 6 ms 3932 KB Output is correct
7 Correct 6 ms 3932 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 5 ms 3932 KB Output is correct
12 Correct 5 ms 3944 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 6 ms 3884 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 6 ms 3932 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 6 ms 3932 KB Output is correct
19 Correct 2 ms 3156 KB Output is correct
20 Correct 5 ms 3676 KB Output is correct
21 Correct 4 ms 3672 KB Output is correct
22 Correct 2 ms 2908 KB Output is correct
23 Correct 8 ms 3936 KB Output is correct
24 Correct 2 ms 2908 KB Output is correct
25 Correct 8 ms 3932 KB Output is correct
26 Correct 8 ms 3928 KB Output is correct
27 Correct 8 ms 3932 KB Output is correct
28 Correct 8 ms 3928 KB Output is correct
29 Correct 6 ms 3932 KB Output is correct
30 Correct 8 ms 4148 KB Output is correct
31 Correct 9 ms 4184 KB Output is correct
32 Correct 10 ms 3932 KB Output is correct
33 Correct 9 ms 4008 KB Output is correct
34 Correct 8 ms 4112 KB Output is correct
35 Correct 5 ms 3420 KB Output is correct
36 Correct 4 ms 3480 KB Output is correct
37 Correct 4 ms 3420 KB Output is correct
38 Correct 3 ms 3164 KB Output is correct
39 Correct 3 ms 3360 KB Output is correct
40 Correct 13 ms 4444 KB Output is correct
41 Correct 3 ms 3164 KB Output is correct
42 Correct 13 ms 4392 KB Output is correct
43 Correct 12 ms 4440 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2908 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 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 613 ms 38004 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 647 ms 38008 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 602 ms 37988 KB Output is correct
16 Correct 659 ms 38168 KB Output is correct
17 Correct 614 ms 38224 KB Output is correct
18 Correct 607 ms 37748 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 7 ms 3676 KB Output is correct
4 Correct 7 ms 3932 KB Output is correct
5 Correct 5 ms 3932 KB Output is correct
6 Correct 6 ms 3932 KB Output is correct
7 Correct 6 ms 3932 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 5 ms 3932 KB Output is correct
12 Correct 5 ms 3944 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 6 ms 3884 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 6 ms 3932 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 6 ms 3932 KB Output is correct
19 Correct 2 ms 3156 KB Output is correct
20 Correct 5 ms 3676 KB Output is correct
21 Correct 4 ms 3672 KB Output is correct
22 Correct 2 ms 2908 KB Output is correct
23 Correct 8 ms 3936 KB Output is correct
24 Correct 2 ms 2908 KB Output is correct
25 Correct 8 ms 3932 KB Output is correct
26 Correct 8 ms 3928 KB Output is correct
27 Correct 8 ms 3932 KB Output is correct
28 Correct 8 ms 3928 KB Output is correct
29 Correct 6 ms 3932 KB Output is correct
30 Correct 8 ms 4148 KB Output is correct
31 Correct 9 ms 4184 KB Output is correct
32 Correct 10 ms 3932 KB Output is correct
33 Correct 9 ms 4008 KB Output is correct
34 Correct 8 ms 4112 KB Output is correct
35 Correct 5 ms 3420 KB Output is correct
36 Correct 4 ms 3480 KB Output is correct
37 Correct 4 ms 3420 KB Output is correct
38 Correct 3 ms 3164 KB Output is correct
39 Correct 3 ms 3360 KB Output is correct
40 Correct 13 ms 4444 KB Output is correct
41 Correct 3 ms 3164 KB Output is correct
42 Correct 13 ms 4392 KB Output is correct
43 Correct 12 ms 4440 KB Output is correct
44 Correct 46 ms 5704 KB Output is correct
45 Correct 1 ms 2852 KB Output is correct
46 Correct 14 ms 4380 KB Output is correct
47 Correct 28 ms 5724 KB Output is correct
48 Correct 14 ms 4444 KB Output is correct
49 Correct 28 ms 5828 KB Output is correct
50 Correct 28 ms 5720 KB Output is correct
51 Correct 121 ms 8380 KB Output is correct
52 Correct 5 ms 3932 KB Output is correct
53 Correct 282 ms 9116 KB Output is correct
54 Correct 311 ms 9000 KB Output is correct
55 Correct 6 ms 3932 KB Output is correct
56 Correct 5 ms 3960 KB Output is correct
57 Correct 2 ms 2908 KB Output is correct
58 Correct 279 ms 9144 KB Output is correct
59 Correct 11 ms 4464 KB Output is correct
60 Correct 6 ms 3932 KB Output is correct
61 Correct 11 ms 4444 KB Output is correct
62 Correct 11 ms 4440 KB Output is correct
63 Correct 46 ms 5720 KB Output is correct
64 Correct 25 ms 5464 KB Output is correct
65 Correct 11 ms 4188 KB Output is correct
66 Correct 12 ms 4444 KB Output is correct
67 Correct 44 ms 6336 KB Output is correct
68 Correct 27 ms 5464 KB Output is correct
69 Correct 11 ms 4188 KB Output is correct
70 Correct 31 ms 5884 KB Output is correct
71 Correct 43 ms 6272 KB Output is correct
72 Correct 38 ms 5988 KB Output is correct
73 Correct 8 ms 3932 KB Output is correct
74 Correct 27 ms 5592 KB Output is correct
75 Correct 38 ms 6232 KB Output is correct
76 Correct 17 ms 4956 KB Output is correct
77 Correct 64 ms 6968 KB Output is correct
78 Correct 8 ms 3932 KB Output is correct
79 Correct 28 ms 4952 KB Output is correct
80 Correct 16 ms 4952 KB Output is correct
81 Correct 60 ms 6968 KB Output is correct
82 Correct 3 ms 3164 KB Output is correct
83 Correct 29 ms 4700 KB Output is correct
84 Correct 37 ms 6184 KB Output is correct
85 Correct 3 ms 3196 KB Output is correct
86 Correct 37 ms 6292 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 7 ms 3676 KB Output is correct
4 Correct 7 ms 3932 KB Output is correct
5 Correct 5 ms 3932 KB Output is correct
6 Correct 6 ms 3932 KB Output is correct
7 Correct 6 ms 3932 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2908 KB Output is correct
11 Correct 5 ms 3932 KB Output is correct
12 Correct 5 ms 3944 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 6 ms 3884 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 6 ms 3932 KB Output is correct
17 Correct 1 ms 2652 KB Output is correct
18 Correct 6 ms 3932 KB Output is correct
19 Correct 2 ms 3156 KB Output is correct
20 Correct 5 ms 3676 KB Output is correct
21 Correct 4 ms 3672 KB Output is correct
22 Correct 2 ms 2908 KB Output is correct
23 Correct 8 ms 3936 KB Output is correct
24 Correct 2 ms 2908 KB Output is correct
25 Correct 8 ms 3932 KB Output is correct
26 Correct 8 ms 3928 KB Output is correct
27 Correct 8 ms 3932 KB Output is correct
28 Correct 8 ms 3928 KB Output is correct
29 Correct 6 ms 3932 KB Output is correct
30 Correct 8 ms 4148 KB Output is correct
31 Correct 9 ms 4184 KB Output is correct
32 Correct 10 ms 3932 KB Output is correct
33 Correct 9 ms 4008 KB Output is correct
34 Correct 8 ms 4112 KB Output is correct
35 Correct 5 ms 3420 KB Output is correct
36 Correct 4 ms 3480 KB Output is correct
37 Correct 4 ms 3420 KB Output is correct
38 Correct 3 ms 3164 KB Output is correct
39 Correct 3 ms 3360 KB Output is correct
40 Correct 13 ms 4444 KB Output is correct
41 Correct 3 ms 3164 KB Output is correct
42 Correct 13 ms 4392 KB Output is correct
43 Correct 12 ms 4440 KB Output is correct
44 Correct 1 ms 2652 KB Output is correct
45 Correct 341 ms 25952 KB Output is correct
46 Correct 121 ms 16648 KB Output is correct
47 Correct 361 ms 26060 KB Output is correct
48 Correct 297 ms 26080 KB Output is correct
49 Correct 58 ms 14156 KB Output is correct
50 Correct 258 ms 31092 KB Output is correct
51 Correct 307 ms 26108 KB Output is correct
52 Correct 64 ms 14072 KB Output is correct
53 Correct 60 ms 14040 KB Output is correct
54 Correct 10 ms 5208 KB Output is correct
55 Correct 294 ms 31260 KB Output is correct
56 Correct 38 ms 11100 KB Output is correct
57 Correct 65 ms 14164 KB Output is correct
58 Correct 104 ms 16456 KB Output is correct
59 Correct 38 ms 11096 KB Output is correct
60 Correct 39 ms 11096 KB Output is correct
61 Correct 111 ms 16464 KB Output is correct
62 Correct 77 ms 13824 KB Output is correct
63 Correct 176 ms 18192 KB Output is correct
64 Correct 46 ms 11092 KB Output is correct
65 Correct 218 ms 21136 KB Output is correct
66 Correct 70 ms 13828 KB Output is correct
67 Correct 157 ms 18140 KB Output is correct
68 Correct 208 ms 20636 KB Output is correct
69 Correct 209 ms 21324 KB Output is correct
70 Correct 90 ms 13824 KB Output is correct
71 Correct 230 ms 20692 KB Output is correct
72 Correct 137 ms 17704 KB Output is correct
73 Correct 252 ms 23504 KB Output is correct
74 Correct 89 ms 13712 KB Output is correct
75 Correct 71 ms 10836 KB Output is correct
76 Correct 140 ms 17720 KB Output is correct
77 Correct 281 ms 23516 KB Output is correct
78 Correct 99 ms 13180 KB Output is correct
79 Correct 72 ms 10844 KB Output is correct
80 Correct 28 ms 7000 KB Output is correct
81 Correct 97 ms 13164 KB Output is correct
82 Correct 185 ms 19448 KB Output is correct
83 Correct 29 ms 7004 KB Output is correct
84 Correct 177 ms 19028 KB Output is correct