답안 #1097518

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1097518	2024-10-07T14:20:33 Z	alexander707070	Newspapers (CEOI21_newspapers)	C++14	52 / 100	136 ms	18772 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){
    path.push_back(x);

    cnt++;

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

int deg[MAXN];

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++){
            deg[i]=v[i].size();

            for(int f:v[i]){
                if(v[f].size()==1)deg[i]--;
            }
        }

        for(int i=1;i<=n;i++){            
            if(v[i].size()==1 or deg[i]>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	4 ms	14424 KB	Output is correct
2	Correct	3 ms	14428 KB	Output is correct
3	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
4	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
5	Correct	3 ms	14428 KB	Output is correct
6	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
7	Correct	3 ms	14428 KB	Output is correct
8	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
9	Correct	3 ms	14428 KB	Output is correct
10	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
11	Partially correct	4 ms	14428 KB	Provide a successful but not optimal strategy.
12	Partially correct	3 ms	14480 KB	Provide a successful but not optimal strategy.
13	Partially correct	3 ms	14648 KB	Provide a successful but not optimal strategy.
14	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
15	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
16	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
17	Partially correct	3 ms	14532 KB	Provide a successful but not optimal strategy.
18	Partially correct	3 ms	14568 KB	Provide a successful but not optimal strategy.
19	Partially correct	3 ms	14424 KB	Provide a successful but not optimal strategy.
20	Partially correct	4 ms	14424 KB	Provide a successful but not optimal strategy.
21	Partially correct	5 ms	14428 KB	Provide a successful but not optimal strategy.
22	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
23	Partially correct	3 ms	14496 KB	Provide a successful but not optimal strategy.
24	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
25	Partially correct	3 ms	14528 KB	Provide a successful but not optimal strategy.
26	Partially correct	3 ms	14648 KB	Provide a successful but not optimal strategy.
27	Partially correct	3 ms	14512 KB	Provide a successful but not optimal strategy.
28	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
29	Correct	4 ms	14424 KB	Output is correct
30	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
31	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
32	Partially correct	3 ms	14516 KB	Provide a successful but not optimal strategy.
33	Partially correct	3 ms	14424 KB	Failed to provide a successful strategy.
34	Correct	3 ms	14428 KB	Output is correct
35	Partially correct	3 ms	14528 KB	Provide a successful but not optimal strategy.
36	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
37	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
38	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
39	Partially correct	3 ms	14424 KB	Failed to provide a successful strategy.
40	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
41	Partially correct	4 ms	14428 KB	Failed to provide a successful strategy.
42	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
43	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
44	Partially correct	3 ms	14568 KB	Failed to provide a successful strategy.
45	Correct	3 ms	14424 KB	Output is correct
46	Correct	3 ms	14448 KB	Output is correct
47	Correct	3 ms	14428 KB	Output is correct
48	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
49	Correct	3 ms	14428 KB	Output is correct
50	Correct	3 ms	14428 KB	Output is correct
51	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
52	Correct	3 ms	14428 KB	Output is correct
53	Correct	3 ms	14428 KB	Output is correct
54	Partially correct	3 ms	14648 KB	Failed to provide a successful strategy.
55	Correct	3 ms	14428 KB	Output is correct
56	Correct	3 ms	14428 KB	Output is correct
57	Correct	3 ms	14428 KB	Output is correct
58	Correct	5 ms	14428 KB	Output is correct
59	Correct	4 ms	14428 KB	Output is correct
60	Correct	3 ms	14652 KB	Output is correct
61	Correct	3 ms	14428 KB	Output is correct
62	Correct	3 ms	14644 KB	Output is correct
63	Correct	3 ms	14428 KB	Output is correct
64	Correct	3 ms	14428 KB	Output is correct

Subtask #2
6.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	14424 KB	Output is correct
2	Correct	3 ms	14428 KB	Output is correct
3	Correct	3 ms	14424 KB	Output is correct
4	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
5	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
6	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
7	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
8	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
9	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
10	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
11	Partially correct	4 ms	14684 KB	Provide a successful but not optimal strategy.
12	Partially correct	4 ms	14684 KB	Provide a successful but not optimal strategy.
13	Partially correct	3 ms	14680 KB	Provide a successful but not optimal strategy.
14	Partially correct	3 ms	14684 KB	Provide a successful but not optimal strategy.
15	Partially correct	4 ms	14684 KB	Provide a successful but not optimal strategy.
16	Partially correct	4 ms	14660 KB	Provide a successful but not optimal strategy.
17	Partially correct	3 ms	14684 KB	Provide a successful but not optimal strategy.
18	Partially correct	4 ms	14684 KB	Provide a successful but not optimal strategy.
19	Partially correct	5 ms	14684 KB	Provide a successful but not optimal strategy.
20	Partially correct	3 ms	14680 KB	Provide a successful but not optimal strategy.

Subtask #3
40.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	14424 KB	Output is correct
2	Correct	3 ms	14428 KB	Output is correct
3	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
4	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
5	Correct	3 ms	14428 KB	Output is correct
6	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
7	Correct	3 ms	14428 KB	Output is correct
8	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
9	Correct	3 ms	14428 KB	Output is correct
10	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
11	Partially correct	4 ms	14428 KB	Provide a successful but not optimal strategy.
12	Partially correct	3 ms	14480 KB	Provide a successful but not optimal strategy.
13	Partially correct	3 ms	14648 KB	Provide a successful but not optimal strategy.
14	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
15	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
16	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
17	Partially correct	3 ms	14532 KB	Provide a successful but not optimal strategy.
18	Partially correct	3 ms	14568 KB	Provide a successful but not optimal strategy.
19	Partially correct	3 ms	14424 KB	Provide a successful but not optimal strategy.
20	Partially correct	4 ms	14424 KB	Provide a successful but not optimal strategy.
21	Partially correct	5 ms	14428 KB	Provide a successful but not optimal strategy.
22	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
23	Partially correct	3 ms	14496 KB	Provide a successful but not optimal strategy.
24	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
25	Partially correct	3 ms	14528 KB	Provide a successful but not optimal strategy.
26	Partially correct	3 ms	14648 KB	Provide a successful but not optimal strategy.
27	Partially correct	3 ms	14512 KB	Provide a successful but not optimal strategy.
28	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
29	Correct	4 ms	14424 KB	Output is correct
30	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
31	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
32	Partially correct	3 ms	14516 KB	Provide a successful but not optimal strategy.
33	Partially correct	3 ms	14424 KB	Failed to provide a successful strategy.
34	Correct	3 ms	14428 KB	Output is correct
35	Partially correct	3 ms	14528 KB	Provide a successful but not optimal strategy.
36	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
37	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
38	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
39	Partially correct	3 ms	14424 KB	Failed to provide a successful strategy.
40	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
41	Partially correct	4 ms	14428 KB	Failed to provide a successful strategy.
42	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
43	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
44	Partially correct	3 ms	14568 KB	Failed to provide a successful strategy.
45	Correct	3 ms	14424 KB	Output is correct
46	Correct	3 ms	14448 KB	Output is correct
47	Correct	3 ms	14428 KB	Output is correct
48	Partially correct	3 ms	14428 KB	Failed to provide a successful strategy.
49	Correct	3 ms	14428 KB	Output is correct
50	Correct	3 ms	14428 KB	Output is correct
51	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
52	Correct	3 ms	14428 KB	Output is correct
53	Correct	3 ms	14428 KB	Output is correct
54	Partially correct	3 ms	14648 KB	Failed to provide a successful strategy.
55	Correct	3 ms	14428 KB	Output is correct
56	Correct	3 ms	14428 KB	Output is correct
57	Correct	3 ms	14428 KB	Output is correct
58	Correct	5 ms	14428 KB	Output is correct
59	Correct	4 ms	14428 KB	Output is correct
60	Correct	3 ms	14652 KB	Output is correct
61	Correct	3 ms	14428 KB	Output is correct
62	Correct	3 ms	14644 KB	Output is correct
63	Correct	3 ms	14428 KB	Output is correct
64	Correct	3 ms	14428 KB	Output is correct
65	Correct	3 ms	14428 KB	Output is correct
66	Correct	3 ms	14428 KB	Output is correct
67	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
68	Partially correct	3 ms	14528 KB	Provide a successful but not optimal strategy.
69	Correct	3 ms	14428 KB	Output is correct
70	Partially correct	2 ms	14428 KB	Provide a successful but not optimal strategy.
71	Correct	3 ms	14532 KB	Output is correct
72	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
73	Correct	3 ms	14648 KB	Output is correct
74	Partially correct	3 ms	14652 KB	Provide a successful but not optimal strategy.
75	Partially correct	3 ms	14424 KB	Provide a successful but not optimal strategy.
76	Partially correct	3 ms	14424 KB	Provide a successful but not optimal strategy.
77	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
78	Partially correct	3 ms	14428 KB	Provide a successful but not optimal strategy.
79	Correct	3 ms	14428 KB	Output is correct
80	Correct	3 ms	14428 KB	Output is correct
81	Correct	3 ms	14428 KB	Output is correct
82	Correct	3 ms	14428 KB	Output is correct
83	Correct	5 ms	14428 KB	Output is correct
84	Correct	3 ms	14684 KB	Output is correct
85	Correct	3 ms	14424 KB	Output is correct
86	Correct	3 ms	14428 KB	Output is correct
87	Correct	3 ms	14668 KB	Output is correct
88	Correct	3 ms	14668 KB	Output is correct
89	Partially correct	3 ms	14728 KB	Failed to provide a successful strategy.
90	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
91	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
92	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
93	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
94	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
95	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
96	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
97	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
98	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
99	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
100	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
101	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
102	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
103	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
104	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
105	Partially correct	4 ms	14936 KB	Failed to provide a successful strategy.
106	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
107	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
108	Partially correct	5 ms	14684 KB	Failed to provide a successful strategy.
109	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
110	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
111	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
112	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
113	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
114	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
115	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
116	Partially correct	4 ms	14680 KB	Failed to provide a successful strategy.
117	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
118	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
119	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
120	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
121	Partially correct	6 ms	14684 KB	Failed to provide a successful strategy.
122	Partially correct	4 ms	14680 KB	Failed to provide a successful strategy.
123	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
124	Partially correct	4 ms	14680 KB	Failed to provide a successful strategy.
125	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
126	Partially correct	3 ms	14680 KB	Failed to provide a successful strategy.
127	Partially correct	3 ms	14684 KB	Failed to provide a successful strategy.
128	Partially correct	4 ms	14684 KB	Failed to provide a successful strategy.
129	Correct	3 ms	14428 KB	Output is correct
130	Correct	3 ms	14428 KB	Output is correct
131	Correct	3 ms	14528 KB	Output is correct
132	Correct	3 ms	14428 KB	Output is correct
133	Correct	3 ms	14428 KB	Output is correct
134	Correct	27 ms	15480 KB	Output is correct
135	Correct	24 ms	15696 KB	Output is correct
136	Correct	58 ms	18004 KB	Output is correct
137	Correct	44 ms	16464 KB	Output is correct
138	Correct	65 ms	16980 KB	Output is correct
139	Correct	121 ms	18772 KB	Output is correct
140	Correct	19 ms	15196 KB	Output is correct
141	Correct	9 ms	14652 KB	Output is correct
142	Correct	121 ms	18468 KB	Output is correct
143	Correct	136 ms	18516 KB	Output is correct
144	Partially correct	4 ms	14684 KB	Provide a successful but not optimal strategy.
145	Partially correct	4 ms	14680 KB	Provide a successful but not optimal strategy.

답안 #1097518

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