답안 #1097516

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1097516	2024-10-07T14:15:36 Z	alexander707070	Newspapers (CEOI21_newspapers)	C++14	52 / 100	142 ms	18692 KB

newspapers

#include<bits/stdc++.h>
#define MAXN 600007
using namespace std;

int n,m,a,b,ver,cnt;
vector<int> v[MAXN];
vector<int> path;

bool dfs(int x,int p,int dep){
    if(dep==1)return true;
    
    for(int i:v[x]){
        if(i==p)continue;
        if(dfs(i,x,dep-1))return true;
    }

    return false;
}

void dfs2(int x,int p){
    if(cnt<ver)path.push_back(x);

    cnt++;

    for(int i:v[x]){
        if(i==p or v[i].size()==1)continue;
        dfs2(i,x);
        if(cnt<ver)path.push_back(x);
    }
}

int main(){

    cin>>n>>m;
    for(int i=1;i<=m;i++){
        cin>>a>>b;
        v[a].push_back(b);
        v[b].push_back(a);
    }

    if(m>n-1){
        cout<<"NO\n";
        return 0;
    }

    for(int i=1;i<=n;i++){
        if(v[i].size()<=2)continue;

        int br=0;
        for(int f:v[i]){
            if(dfs(f,i,3))br++;
        }

        if(br>2){
            cout<<"NO\n";
            return 0;
        }
    }

    cout<<"YES\n";
    if(n==1)cout<<"1\n1\n";
    else if(n==2)cout<<"2\n1 1\n";
    else{
        for(int i=1;i<=n;i++){
            if(v[i].size()>1)ver++;
        }

        ver=3*n;

        for(int i=1;i<=n;i++){            
            if(v[i].size()==1)continue;
            dfs2(i,0);

            cout<<path.size()*2<<"\n";
            for(int f:path)cout<<f<<" ";

            //reverse(path.begin(),path.end());
            for(int f:path)cout<<f<<" ";
            cout<<"\n";

            return 0;
        }
    }

    return 0;
}

Subtask #1
6.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	14428 KB	Output is correct
2	Correct	6 ms	14508 KB	Output is correct
3	Partially correct	10 ms	14360 KB	Provide a successful but not optimal strategy.
4	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
5	Correct	6 ms	14428 KB	Output is correct
6	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
7	Correct	6 ms	14392 KB	Output is correct
8	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
9	Correct	6 ms	14428 KB	Output is correct
10	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
11	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
12	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
13	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
14	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
15	Partially correct	6 ms	14384 KB	Provide a successful but not optimal strategy.
16	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
17	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
18	Partially correct	6 ms	14532 KB	Provide a successful but not optimal strategy.
19	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
20	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
21	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
22	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
23	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
24	Partially correct	6 ms	14480 KB	Provide a successful but not optimal strategy.
25	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
26	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
27	Partially correct	7 ms	14508 KB	Provide a successful but not optimal strategy.
28	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
29	Correct	6 ms	14428 KB	Output is correct
30	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
31	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
32	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
33	Partially correct	6 ms	14452 KB	Failed to provide a successful strategy.
34	Correct	6 ms	14532 KB	Output is correct
35	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
36	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
37	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
38	Partially correct	6 ms	14384 KB	Provide a successful but not optimal strategy.
39	Partially correct	7 ms	14284 KB	Provide a successful but not optimal strategy.
40	Partially correct	7 ms	14528 KB	Provide a successful but not optimal strategy.
41	Partially correct	6 ms	14484 KB	Failed to provide a successful strategy.
42	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
43	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
44	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
45	Correct	7 ms	14424 KB	Output is correct
46	Correct	6 ms	14424 KB	Output is correct
47	Correct	6 ms	14428 KB	Output is correct
48	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
49	Correct	7 ms	14344 KB	Output is correct
50	Correct	6 ms	14428 KB	Output is correct
51	Partially correct	6 ms	14276 KB	Provide a successful but not optimal strategy.
52	Correct	6 ms	14428 KB	Output is correct
53	Correct	7 ms	14428 KB	Output is correct
54	Partially correct	9 ms	14428 KB	Failed to provide a successful strategy.
55	Correct	10 ms	14428 KB	Output is correct
56	Correct	7 ms	14500 KB	Output is correct
57	Correct	7 ms	14428 KB	Output is correct
58	Correct	7 ms	14428 KB	Output is correct
59	Correct	7 ms	14528 KB	Output is correct
60	Correct	8 ms	14428 KB	Output is correct
61	Correct	7 ms	14424 KB	Output is correct
62	Correct	7 ms	14428 KB	Output is correct
63	Correct	7 ms	14472 KB	Output is correct
64	Correct	8 ms	14680 KB	Output is correct

Subtask #2
6.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	14428 KB	Output is correct
2	Correct	6 ms	14364 KB	Output is correct
3	Correct	7 ms	14428 KB	Output is correct
4	Partially correct	7 ms	14528 KB	Provide a successful but not optimal strategy.
5	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
6	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
7	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
8	Partially correct	7 ms	14356 KB	Provide a successful but not optimal strategy.
9	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
10	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
11	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
12	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
13	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
14	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
15	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
16	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
17	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
18	Partially correct	8 ms	14428 KB	Provide a successful but not optimal strategy.
19	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
20	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.

Subtask #3
40.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	14428 KB	Output is correct
2	Correct	6 ms	14508 KB	Output is correct
3	Partially correct	10 ms	14360 KB	Provide a successful but not optimal strategy.
4	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
5	Correct	6 ms	14428 KB	Output is correct
6	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
7	Correct	6 ms	14392 KB	Output is correct
8	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
9	Correct	6 ms	14428 KB	Output is correct
10	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
11	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
12	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
13	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
14	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
15	Partially correct	6 ms	14384 KB	Provide a successful but not optimal strategy.
16	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
17	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
18	Partially correct	6 ms	14532 KB	Provide a successful but not optimal strategy.
19	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
20	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
21	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
22	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
23	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
24	Partially correct	6 ms	14480 KB	Provide a successful but not optimal strategy.
25	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
26	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
27	Partially correct	7 ms	14508 KB	Provide a successful but not optimal strategy.
28	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
29	Correct	6 ms	14428 KB	Output is correct
30	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
31	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
32	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
33	Partially correct	6 ms	14452 KB	Failed to provide a successful strategy.
34	Correct	6 ms	14532 KB	Output is correct
35	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
36	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
37	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
38	Partially correct	6 ms	14384 KB	Provide a successful but not optimal strategy.
39	Partially correct	7 ms	14284 KB	Provide a successful but not optimal strategy.
40	Partially correct	7 ms	14528 KB	Provide a successful but not optimal strategy.
41	Partially correct	6 ms	14484 KB	Failed to provide a successful strategy.
42	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
43	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
44	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
45	Correct	7 ms	14424 KB	Output is correct
46	Correct	6 ms	14424 KB	Output is correct
47	Correct	6 ms	14428 KB	Output is correct
48	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
49	Correct	7 ms	14344 KB	Output is correct
50	Correct	6 ms	14428 KB	Output is correct
51	Partially correct	6 ms	14276 KB	Provide a successful but not optimal strategy.
52	Correct	6 ms	14428 KB	Output is correct
53	Correct	7 ms	14428 KB	Output is correct
54	Partially correct	9 ms	14428 KB	Failed to provide a successful strategy.
55	Correct	10 ms	14428 KB	Output is correct
56	Correct	7 ms	14500 KB	Output is correct
57	Correct	7 ms	14428 KB	Output is correct
58	Correct	7 ms	14428 KB	Output is correct
59	Correct	7 ms	14528 KB	Output is correct
60	Correct	8 ms	14428 KB	Output is correct
61	Correct	7 ms	14424 KB	Output is correct
62	Correct	7 ms	14428 KB	Output is correct
63	Correct	7 ms	14472 KB	Output is correct
64	Correct	8 ms	14680 KB	Output is correct
65	Correct	6 ms	14428 KB	Output is correct
66	Correct	6 ms	14424 KB	Output is correct
67	Partially correct	6 ms	14392 KB	Provide a successful but not optimal strategy.
68	Partially correct	6 ms	14528 KB	Provide a successful but not optimal strategy.
69	Correct	6 ms	14428 KB	Output is correct
70	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
71	Correct	6 ms	14428 KB	Output is correct
72	Partially correct	6 ms	14424 KB	Provide a successful but not optimal strategy.
73	Correct	6 ms	14428 KB	Output is correct
74	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
75	Partially correct	7 ms	14484 KB	Provide a successful but not optimal strategy.
76	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.
77	Partially correct	8 ms	14444 KB	Provide a successful but not optimal strategy.
78	Partially correct	6 ms	14428 KB	Provide a successful but not optimal strategy.
79	Correct	7 ms	14500 KB	Output is correct
80	Correct	7 ms	14428 KB	Output is correct
81	Correct	7 ms	14428 KB	Output is correct
82	Correct	10 ms	14428 KB	Output is correct
83	Correct	7 ms	14428 KB	Output is correct
84	Correct	7 ms	14428 KB	Output is correct
85	Correct	6 ms	14428 KB	Output is correct
86	Correct	6 ms	14428 KB	Output is correct
87	Correct	6 ms	14428 KB	Output is correct
88	Correct	7 ms	14424 KB	Output is correct
89	Partially correct	7 ms	14472 KB	Failed to provide a successful strategy.
90	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
91	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
92	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
93	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
94	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
95	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
96	Partially correct	7 ms	14576 KB	Failed to provide a successful strategy.
97	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
98	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
99	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
100	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
101	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
102	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
103	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
104	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
105	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
106	Partially correct	6 ms	14424 KB	Failed to provide a successful strategy.
107	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
108	Partially correct	6 ms	14428 KB	Failed to provide a successful strategy.
109	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
110	Partially correct	7 ms	14680 KB	Failed to provide a successful strategy.
111	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
112	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
113	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
114	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
115	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
116	Partially correct	6 ms	14424 KB	Failed to provide a successful strategy.
117	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
118	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
119	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
120	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
121	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
122	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
123	Partially correct	8 ms	14428 KB	Failed to provide a successful strategy.
124	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
125	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
126	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
127	Partially correct	7 ms	14428 KB	Failed to provide a successful strategy.
128	Partially correct	7 ms	14424 KB	Failed to provide a successful strategy.
129	Correct	9 ms	14424 KB	Output is correct
130	Correct	6 ms	14424 KB	Output is correct
131	Correct	11 ms	14500 KB	Output is correct
132	Correct	6 ms	14424 KB	Output is correct
133	Correct	7 ms	14428 KB	Output is correct
134	Correct	29 ms	15452 KB	Output is correct
135	Correct	27 ms	15452 KB	Output is correct
136	Correct	59 ms	17848 KB	Output is correct
137	Correct	45 ms	16468 KB	Output is correct
138	Correct	74 ms	16980 KB	Output is correct
139	Correct	112 ms	18692 KB	Output is correct
140	Correct	21 ms	15196 KB	Output is correct
141	Correct	11 ms	14680 KB	Output is correct
142	Correct	101 ms	18380 KB	Output is correct
143	Correct	142 ms	18352 KB	Output is correct
144	Partially correct	7 ms	14424 KB	Provide a successful but not optimal strategy.
145	Partially correct	7 ms	14428 KB	Provide a successful but not optimal strategy.

답안 #1097516

Compilation message

Subtask #1 6.0 / 12.0

Subtask #2 6.0 / 8.0

Subtask #3 40.0 / 80.0

Subtask #1
6.0 / 12.0

Subtask #2
6.0 / 8.0

Subtask #3
40.0 / 80.0