답안 #859507

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
859507	2023-10-10T09:11:41 Z	Tenis0206	Newspapers (CEOI21_newspapers)	C++11	12 / 100	1000 ms	9052 KB

newspapers

#include <bits/stdc++.h>

using namespace std;

const int nmax = 20;

int n,m;

int G[nmax + 5];

int d[(1<<nmax) + 5];
pair<int,int> t[(1<<nmax) + 5];

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
#ifdef home
    freopen("nr.in","r",stdin);
    freopen("nr.out","w",stdout);
#endif // home
    cin>>n>>m;
    for(int i=1; i<=m; i++)
    {
        int x,y;
        cin>>x>>y;
        --x, --y;
        G[x] |= (1<<y);
        G[y] |= (1<<x);
    }
    if(m != n - 1)
    {
        cout<<"NO"<<'\n';
        return 0;
    }
    if(n > 20)
    {
        cout<<"YES"<<'\n';
        return 0;
    }
    queue<int> q;
    q.push((1<<n) - 1);
    d[(1<<n) - 1] = 1;
    t[(1<<n) - 1] = {-1,-1};
    while(!q.empty())
    {
        int mask = q.front();
        q.pop();
        for(int i=0; i<n; i++)
        {
            int new_mask = 0;
            for(int nod=0; nod<n; nod++)
            {
                if((mask & (1<<nod))!=0 && nod!=i)
                {
                    new_mask |= G[nod];
                }
            }
            if(!d[new_mask])
            {
                d[new_mask] = 1 + d[mask];
                t[new_mask] = {i,mask};
                q.push(new_mask);
            }
        }
    }
    if(!d[0])
    {
        cout<<"NO"<<'\n';
        return 0;
    }
    vector<int> rez;
    int mask = 0;
    while(mask != -1)
    {
        if(t[mask].first != -1)
        {
            rez.push_back(t[mask].first + 1);
        }
        mask = t[mask].second;
    }
    reverse(rez.begin(),rez.end());
    cout<<"YES"<<'\n';
    cout<<rez.size()<<'\n';
    for(auto it : rez)
    {
        cout<<it<<' ';
    }
    cout<<'\n';
    return 0;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2392 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	0 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	0 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	0 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2392 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4696 KB	Output is correct
37	Correct	1 ms	4700 KB	Output is correct
38	Correct	1 ms	4700 KB	Output is correct
39	Correct	1 ms	4700 KB	Output is correct
40	Correct	1 ms	4700 KB	Output is correct
41	Correct	1 ms	4444 KB	Output is correct
42	Correct	1 ms	4700 KB	Output is correct
43	Correct	1 ms	4444 KB	Output is correct
44	Correct	1 ms	4444 KB	Output is correct
45	Correct	1 ms	4444 KB	Output is correct
46	Correct	1 ms	4444 KB	Output is correct
47	Correct	1 ms	4444 KB	Output is correct
48	Correct	1 ms	4700 KB	Output is correct
49	Correct	1 ms	4444 KB	Output is correct
50	Correct	1 ms	4444 KB	Output is correct
51	Correct	1 ms	6492 KB	Output is correct
52	Correct	1 ms	6492 KB	Output is correct
53	Correct	1 ms	6492 KB	Output is correct
54	Correct	1 ms	6492 KB	Output is correct
55	Correct	1 ms	8796 KB	Output is correct
56	Correct	1 ms	8540 KB	Output is correct
57	Correct	2 ms	9052 KB	Output is correct
58	Correct	1 ms	8796 KB	Output is correct
59	Correct	0 ms	600 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	0 ms	348 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct

Subtask #2
0.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Runtime error	1 ms	604 KB	Execution killed with signal 11
12	Halted	0 ms	0 KB	-

Subtask #3
0.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	0 ms	2396 KB	Output is correct
3	Correct	1 ms	2392 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	0 ms	2396 KB	Output is correct
18	Correct	0 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	0 ms	2396 KB	Output is correct
22	Correct	0 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	0 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2392 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2396 KB	Output is correct
31	Correct	1 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4696 KB	Output is correct
37	Correct	1 ms	4700 KB	Output is correct
38	Correct	1 ms	4700 KB	Output is correct
39	Correct	1 ms	4700 KB	Output is correct
40	Correct	1 ms	4700 KB	Output is correct
41	Correct	1 ms	4444 KB	Output is correct
42	Correct	1 ms	4700 KB	Output is correct
43	Correct	1 ms	4444 KB	Output is correct
44	Correct	1 ms	4444 KB	Output is correct
45	Correct	1 ms	4444 KB	Output is correct
46	Correct	1 ms	4444 KB	Output is correct
47	Correct	1 ms	4444 KB	Output is correct
48	Correct	1 ms	4700 KB	Output is correct
49	Correct	1 ms	4444 KB	Output is correct
50	Correct	1 ms	4444 KB	Output is correct
51	Correct	1 ms	6492 KB	Output is correct
52	Correct	1 ms	6492 KB	Output is correct
53	Correct	1 ms	6492 KB	Output is correct
54	Correct	1 ms	6492 KB	Output is correct
55	Correct	1 ms	8796 KB	Output is correct
56	Correct	1 ms	8540 KB	Output is correct
57	Correct	2 ms	9052 KB	Output is correct
58	Correct	1 ms	8796 KB	Output is correct
59	Correct	0 ms	600 KB	Output is correct
60	Correct	0 ms	348 KB	Output is correct
61	Correct	0 ms	348 KB	Output is correct
62	Correct	0 ms	348 KB	Output is correct
63	Correct	0 ms	348 KB	Output is correct
64	Correct	0 ms	348 KB	Output is correct
65	Correct	0 ms	2396 KB	Output is correct
66	Correct	0 ms	2396 KB	Output is correct
67	Correct	1 ms	2396 KB	Output is correct
68	Correct	1 ms	2396 KB	Output is correct
69	Correct	1 ms	2396 KB	Output is correct
70	Correct	1 ms	2396 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	1 ms	2396 KB	Output is correct
73	Correct	1 ms	2396 KB	Output is correct
74	Correct	0 ms	2396 KB	Output is correct
75	Correct	0 ms	2396 KB	Output is correct
76	Correct	0 ms	2396 KB	Output is correct
77	Correct	0 ms	2396 KB	Output is correct
78	Correct	1 ms	2396 KB	Output is correct
79	Execution timed out	1093 ms	348 KB	Time limit exceeded
80	Halted	0 ms	0 KB	-

답안 #859507

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 0.0 / 8.0

Subtask #3 0.0 / 80.0

Subtask #1
12.0 / 12.0

Subtask #2
0.0 / 8.0

Subtask #3
0.0 / 80.0