답안 #588543

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
588543	2022-07-03T13:40:43 Z	jasmin	Newspapers (CEOI21_newspapers)	C++14	50 / 100	79 ms	12316 KB

newspapers

#include<bits/stdc++.h>
using namespace std;
#define int long long

int bfs(int n, vector<vector<int> >& adi){
    vector<bool> vis(n);
    deque<int> q;
    q.push_back(0);
    int last=0;
    vis[0]=true;
    while(!q.empty()){
        int v=last=q.front();
        q.pop_front();

        for(auto u: adi[v]){
            if(!vis[u]){
                vis[u]=true;
                q.push_back(u);
            }
        }
    }
    return last;
}

int dfs(int v, int hight, vector<bool>& vis, vector<vector<int> >& adi, bool& pos){
    if(vis[v]){
        return 0;
    }
    vis[v]=true;
    int depth=1;

    int further=0;
    for(auto u: adi[v]){

        int subtree=dfs(u, hight+1, vis, adi, pos);
        depth=max(depth, subtree+1);
        if(subtree>2){
            further++;
        }
        
    }
    pos=pos && (further<=1);
    return depth;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;
    vector<vector<int> > adi(n);
    for(int i=0; i<m; i++){
        int a, b;
        cin >> a >> b;
        adi[a-1].push_back(b-1);
        adi[b-1].push_back(a-1);
    }

    bool pos=(m==n-1);
    int root=bfs(n, adi);
    
    vector<bool> vis(n, false);
    dfs(root, 0, vis, adi, pos);

    if(pos){
        cout << "YES\n";
        cout << 1 << "\n";
        cout << 1 << "\n";
    }
    else{
        cout << "NO\n";
    }
}

Subtask #1
6.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	268 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
5	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
7	Correct	0 ms	212 KB	Output is correct
8	Partially correct	1 ms	292 KB	Failed to provide a successful strategy.
9	Correct	0 ms	212 KB	Output is correct
10	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
11	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
12	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
13	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
14	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
15	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
16	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
17	Partially correct	1 ms	260 KB	Failed to provide a successful strategy.
18	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
19	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
20	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
21	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
22	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
23	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
24	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
25	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
26	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
27	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
28	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
29	Correct	1 ms	284 KB	Output is correct
30	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
31	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
32	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
33	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
34	Correct	0 ms	212 KB	Output is correct
35	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
36	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
37	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
38	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
39	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
40	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
41	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
42	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
43	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
44	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
52	Correct	0 ms	320 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	1 ms	320 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	324 KB	Output is correct
64	Correct	1 ms	320 KB	Output is correct

Subtask #2
4.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
5	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
7	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
8	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
9	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
10	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
11	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
12	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
13	Partially correct	1 ms	332 KB	Failed to provide a successful strategy.
14	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
15	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
16	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
17	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
18	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
19	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
20	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.

Subtask #3
40.0 / 80.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	268 KB	Output is correct
2	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
3	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
4	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
5	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
6	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
7	Correct	0 ms	212 KB	Output is correct
8	Partially correct	1 ms	292 KB	Failed to provide a successful strategy.
9	Correct	0 ms	212 KB	Output is correct
10	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
11	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
12	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
13	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
14	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
15	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
16	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
17	Partially correct	1 ms	260 KB	Failed to provide a successful strategy.
18	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
19	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
20	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
21	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
22	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
23	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
24	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
25	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
26	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
27	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
28	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
29	Correct	1 ms	284 KB	Output is correct
30	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
31	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
32	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
33	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
34	Correct	0 ms	212 KB	Output is correct
35	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
36	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
37	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
38	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
39	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
40	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
41	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
42	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
43	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
44	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
45	Correct	0 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
52	Correct	0 ms	320 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	0 ms	212 KB	Output is correct
59	Correct	1 ms	320 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	324 KB	Output is correct
64	Correct	1 ms	320 KB	Output is correct
65	Correct	1 ms	324 KB	Output is correct
66	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
67	Partially correct	0 ms	212 KB	Failed to provide a successful strategy.
68	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
69	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
70	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
71	Correct	1 ms	212 KB	Output is correct
72	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
73	Correct	0 ms	212 KB	Output is correct
74	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
75	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
76	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
77	Partially correct	1 ms	212 KB	Failed to provide a successful strategy.
78	Partially correct	0 ms	320 KB	Failed to provide a successful strategy.
79	Correct	1 ms	340 KB	Output is correct
80	Correct	1 ms	340 KB	Output is correct
81	Correct	1 ms	340 KB	Output is correct
82	Correct	1 ms	340 KB	Output is correct
83	Correct	1 ms	340 KB	Output is correct
84	Correct	1 ms	340 KB	Output is correct
85	Correct	1 ms	340 KB	Output is correct
86	Correct	1 ms	340 KB	Output is correct
87	Correct	1 ms	340 KB	Output is correct
88	Correct	1 ms	340 KB	Output is correct
89	Partially correct	2 ms	384 KB	Failed to provide a successful strategy.
90	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
91	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
92	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
93	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
94	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
95	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
96	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
97	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
98	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
99	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
100	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
101	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
102	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
103	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
104	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
105	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
106	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
107	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
108	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
109	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
110	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
111	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
112	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
113	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
114	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
115	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
116	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
117	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
118	Partially correct	1 ms	324 KB	Failed to provide a successful strategy.
119	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
120	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
121	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
122	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
123	Partially correct	1 ms	320 KB	Failed to provide a successful strategy.
124	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
125	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
126	Partially correct	1 ms	328 KB	Failed to provide a successful strategy.
127	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
128	Partially correct	1 ms	340 KB	Failed to provide a successful strategy.
129	Correct	1 ms	340 KB	Output is correct
130	Correct	1 ms	324 KB	Output is correct
131	Correct	1 ms	340 KB	Output is correct
132	Correct	1 ms	340 KB	Output is correct
133	Correct	1 ms	324 KB	Output is correct
134	Correct	15 ms	2896 KB	Output is correct
135	Correct	13 ms	2984 KB	Output is correct
136	Correct	33 ms	8908 KB	Output is correct
137	Correct	26 ms	5244 KB	Output is correct
138	Correct	42 ms	7212 KB	Output is correct
139	Correct	79 ms	12000 KB	Output is correct
140	Correct	10 ms	2144 KB	Output is correct
141	Correct	5 ms	980 KB	Output is correct
142	Correct	67 ms	11628 KB	Output is correct
143	Correct	74 ms	12316 KB	Output is correct
144	Partially correct	1 ms	456 KB	Failed to provide a successful strategy.
145	Partially correct	1 ms	452 KB	Failed to provide a successful strategy.

답안 #588543

Compilation message

Subtask #1 6.0 / 12.0

Subtask #2 4.0 / 8.0

Subtask #3 40.0 / 80.0

Subtask #1
6.0 / 12.0

Subtask #2
4.0 / 8.0

Subtask #3
40.0 / 80.0