답안 #532568

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
532568	2022-03-03T08:17:50 Z	qwerasdfzxcl	Newspapers (CEOI21_newspapers)	C++14	12 / 100	12 ms	16308 KB

newspapers

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
constexpr int INF = 1e9;
vector<int> adj[1010];
int dist[2002000], n;
pair<int, int> par[2002000];

int _relax(int msk){
    int ret = 0;
    for (int i=1;i<=n;i++) if (msk&(1<<(i-1))){
        for (auto &v:adj[i]) ret |= (1<<(v-1));
    }
    return ret;
}

int main(){
    int m;
    scanf("%d %d", &n, &m);
    if (m>n-1) {printf("NO\n"); return 0;}

    for (int i=0;i<m;i++){
        int x, y;
        scanf("%d %d", &x, &y);
        adj[x].push_back(y);
        adj[y].push_back(x);
    }

    int mx = (1<<n) - 1;
    fill(dist, dist+mx+1, INF);
    dist[mx] = 0;
    queue<int> q;
    q.push(mx);

    while(!q.empty()){
        int s = q.front(); q.pop();
        for (int i=0;i<n;i++){
            int v = s & (mx ^ (1<<i));
            v = _relax(v);
            if (dist[v]!=INF) continue;
            dist[v] = dist[s] + 1;
            par[v] = {s, i+1};
            q.push(v);
        }
    }

    if (dist[0]==INF) printf("NO\n");
    else{
        printf("YES\n");
        vector<int> ans;
        for (int cur = 0;cur!=mx;cur=par[cur].first) ans.push_back(par[cur].second);
        reverse(ans.begin(), ans.end());
        printf("%d\n", (int)ans.size());
        for (auto &x: ans) printf("%d ", x);
    }
    return 0;
}

Compilation message

newspapers.cpp: In function 'int main()':
newspapers.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
newspapers.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	0 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	320 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	460 KB	Output is correct
32	Correct	1 ms	460 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	588 KB	Output is correct
37	Correct	1 ms	588 KB	Output is correct
38	Correct	1 ms	588 KB	Output is correct
39	Correct	1 ms	836 KB	Output is correct
40	Correct	1 ms	844 KB	Output is correct
41	Correct	1 ms	588 KB	Output is correct
42	Correct	1 ms	844 KB	Output is correct
43	Correct	1 ms	1100 KB	Output is correct
44	Correct	1 ms	1076 KB	Output is correct
45	Correct	1 ms	972 KB	Output is correct
46	Correct	1 ms	972 KB	Output is correct
47	Correct	1 ms	1612 KB	Output is correct
48	Correct	1 ms	1868 KB	Output is correct
49	Correct	1 ms	1484 KB	Output is correct
50	Correct	1 ms	1484 KB	Output is correct
51	Correct	2 ms	2816 KB	Output is correct
52	Correct	2 ms	2508 KB	Output is correct
53	Correct	2 ms	2508 KB	Output is correct
54	Correct	2 ms	2716 KB	Output is correct
55	Correct	3 ms	4684 KB	Output is correct
56	Correct	3 ms	4556 KB	Output is correct
57	Correct	3 ms	5068 KB	Output is correct
58	Correct	3 ms	4684 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	332 KB	Output is correct
62	Correct	1 ms	332 KB	Output is correct
63	Correct	0 ms	332 KB	Output is correct
64	Correct	1 ms	332 KB	Output is correct

Subtask #2
0.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Runtime error	3 ms	972 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	0 ms	332 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	0 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	320 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	460 KB	Output is correct
32	Correct	1 ms	460 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	588 KB	Output is correct
36	Correct	1 ms	588 KB	Output is correct
37	Correct	1 ms	588 KB	Output is correct
38	Correct	1 ms	588 KB	Output is correct
39	Correct	1 ms	836 KB	Output is correct
40	Correct	1 ms	844 KB	Output is correct
41	Correct	1 ms	588 KB	Output is correct
42	Correct	1 ms	844 KB	Output is correct
43	Correct	1 ms	1100 KB	Output is correct
44	Correct	1 ms	1076 KB	Output is correct
45	Correct	1 ms	972 KB	Output is correct
46	Correct	1 ms	972 KB	Output is correct
47	Correct	1 ms	1612 KB	Output is correct
48	Correct	1 ms	1868 KB	Output is correct
49	Correct	1 ms	1484 KB	Output is correct
50	Correct	1 ms	1484 KB	Output is correct
51	Correct	2 ms	2816 KB	Output is correct
52	Correct	2 ms	2508 KB	Output is correct
53	Correct	2 ms	2508 KB	Output is correct
54	Correct	2 ms	2716 KB	Output is correct
55	Correct	3 ms	4684 KB	Output is correct
56	Correct	3 ms	4556 KB	Output is correct
57	Correct	3 ms	5068 KB	Output is correct
58	Correct	3 ms	4684 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	332 KB	Output is correct
62	Correct	1 ms	332 KB	Output is correct
63	Correct	0 ms	332 KB	Output is correct
64	Correct	1 ms	332 KB	Output is correct
65	Correct	0 ms	332 KB	Output is correct
66	Correct	0 ms	332 KB	Output is correct
67	Correct	1 ms	324 KB	Output is correct
68	Correct	0 ms	332 KB	Output is correct
69	Correct	1 ms	332 KB	Output is correct
70	Correct	1 ms	332 KB	Output is correct
71	Correct	0 ms	332 KB	Output is correct
72	Correct	1 ms	332 KB	Output is correct
73	Correct	1 ms	332 KB	Output is correct
74	Correct	1 ms	324 KB	Output is correct
75	Correct	1 ms	332 KB	Output is correct
76	Correct	1 ms	332 KB	Output is correct
77	Correct	1 ms	320 KB	Output is correct
78	Correct	1 ms	332 KB	Output is correct
79	Runtime error	12 ms	16308 KB	Execution killed with signal 11
80	Halted	0 ms	0 KB	-

답안 #532568

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